|
|
|
| Registros recuperados: 114 | |
|
|
| Ooststroom, S.J. van. |
| Being occupied with studies on the Convolvulaceae of Netherlands India I met with a remarkable specimen in the Buitenzorg Herbarium, collected by Dr. O. POSTHUMUS during the expedition in Djambi (Sumatra) in the year 1925. At first sight this plant seemed to be a Merremia. A closer examination, however, soon showed some important differences with that genus, especially in respect to the corolla, which has a long, narrow and rather fleshy tube and a limb with 5 short, reflexed (or patent?) lobes. Each lobe is deeply bifid, so that the limb appears 10-lobed. The middle part of the lobes is fleshy just as the tube; it corresponds with a midpetaline field of the corolla of most genera of Convolvulaceae, the lateral parts of the lobes (lobules) are much... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1936 |
URL: http://www.repository.naturalis.nl/record/524471 |
| |
|
|
| Ooststroom, S.J. van; Lam, H.J.. |
| The editor has received the first and second fascicle of a treatise of the vascular plants of West Virginia. According to the preface this flora, when complete, will present descriptions, illustrations, geographical data and other information, particularly of local interest for the approximately 2000 species found growing without cultivation in that State. The first part contains the Pteridophyta, Gymnospermae, and Monocotyledoneae, the second part the Dicotyledoneae, p.p. (Saururaceae-Leguminosae). Keys are given for genera and species. The rather short descriptions are completed by many for the greater part original line drawings. Nomenclature and sequence are those of the 8th edition of Gray’s Manual, 1950, by M. L. Fernald. |
| Tipo: Article / Letter to the editor |
|
| Ano: 1953 |
URL: http://www.repository.naturalis.nl/record/524629 |
| |
|
|
| Ooststroom, S.J. van. |
| Anthericum Rouwenortii De Gorter, a species not occurring in the Index Kewensis, was described by De Gorter in his Catalogus Plantarum Horti Ulenpassiani, 1783, p. 51 and 52 as follows: p. 51 : AUTHERICUM. 2. Rouwenortii. foliis planis carinatis, scapo ramoso, corollis patentibus. Tab. I. Habitat in Zeylona? Planta e seminibus e Zeylona, si bene meminit III. Baro De ROUWENOORT missis, ante multos annos enata colitur adhuc in Caldario Horti Uilenpassiani, ubi quotannis floret. Descriptio. Badix crassa, tuberosa, subtranslucida. Folia radicalia, ensiformia, carinata, glabra, sesquipedalia, extremitate subulata. p. 52: Scapus ramosus, fere tripedalis, ramis alternis, inferioribus brevioribus, superioribus longioribus. Bracteis lanceolato-subulatis bifidis.... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1941 |
URL: http://www.repository.naturalis.nl/record/524875 |
| |
|
|
| Ooststroom, S.J. van; Reichgelt, Th.J.. |
| Two species of Calandrinia H. B. K. have been found in the Netherlands as aliens or escaped from cultivation: C. elegans Spach, from California and C. compressa Schrad. ex DC., from Chile. They can be distinguished as follows: 1. Leaves of the involucre (‘calyx’) free, ovate, acuminate at the apex, about half as long as the perianth (‘corolla’), in fruit 8—12 mm long. Capsule slightly shorter than to as long as the involucre ............................... 1. C. elegans 1’. Leaves of the involucre connate at the base, slightly shorter than the perianth, in fruit 5—7 mm long, the free portion broadly triangular and acute. Capsule longer than the involucre... ................................ 2. C. compressa |
| Tipo: Article / Letter to the editor |
|
| Ano: 1966 |
URL: http://www.repository.naturalis.nl/record/526758 |
| |
|
|
| Hou, Ding; Steenis, C.G.G.J. van; Lam, H.J.; Ooststroom, S.J. van; Barkman, J.J.. |
| The publication of the supplement 1 of the well known and essential reference work of “A Bibliography of Eastern Asiatic Botany” is very welcome. It is a continuation of the original work, which closed with 1936, and extends through 1958. It covers the botanical literature on eastern Asia, as indicated by the title, which comprises China, Japan, Korea, Ryukyu, Mongolia and Soviet eastern Asia, as well as the major published papers appertaining to adjacent areas. It has been prepared on essentially the same pattern as the original volume while the subject index has been treated perhaps in a more thorough manner. The volume contains over 11,000 extensively and carefully annotated entries occupying 414 pages. The work is in English but the titles, papers and... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1961 |
URL: http://www.repository.naturalis.nl/record/524871 |
| |
|
|
| Ooststroom, S.J. van. |
| This series of “Floristische notities” contains the following notes: 80. Osmunda regalis L., known from the Dutch Frisian Islands Terschelling and Schiermonnikoog, also occurs on the island of Texel. 81. First record of Asplenium adiantum-nigrum L. for the Dutch Frisian Islands. 82. New localities of Cerastium holosteoides Fr. subsp. holosteoides and subsp. pseudoholosteoides Möschl in the tidal area of our large rivers. 83. New localities of Crambe maritima L. along the Dutch coast. 84. Moneses uniflora (L.) A. Gray, formerly known from Appelscha, prov. Friesland (1849) and Denekamp, prov. Overijssel (1906) was found in 1969 on the island of Terschelling. 85. The unexpected occurrence of Blackstonia perfoliata subsp. serotina (Koch) Vollm. near Buren... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1970 |
URL: http://www.repository.naturalis.nl/record/527984 |
| |
|
| |
|
|
| Ooststroom, S.J. van. |
| In my first paper on Malaysian Convolvulaceae in Blumea III, 1938, p. 62—94, I pointed out (p. 83) that Neuropeltis racemosa Wall, has often been confounded both in literature and in herbaria with another species from the Malay Peninsula, N. Maingayi Peter. Moreover, on p. 85, I expressed my doubt whether specimens from Indo China, mentioned in literature as N. racemosa Wall, (by Gagnepain & Courchet in Lecomte, Flore Generale de l’Indo-Chine IV, 1915, p. 290, fig. 31) actually belong to that species. A more detailed study of materials from Indo China has now brought to light, that the plants from that country are different from those occurring in the Malay Peninsula and that they represent a new, though closely related, species. Specimens from the... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1942 |
URL: http://www.repository.naturalis.nl/record/525851 |
| |
|
|
| Ooststroom, S.J. van. |
| A few years ago Prof. Dr W. Martin, at the time director of the Gallery of prints and drawings at Leyden, drew my attention to an oilpainting at Prof. J. N. Bakhuizen van den Brink’s, 40 Rapenburg, Leyden. This painting (size 95 X 68 cm), which is owned by the Leyden University Fund, shows a peculiar group of flowering exotic plants, to which a few mushrooms, a snake, a lizard and some butterflies are added, and on the right side in the back-ground a view on a river or a lake. In the lower right hand corner the painting is signed Lau. Vinn. Prof. Martin concluded from this that it was one of the Haarlem painters Van der Vinne who made it. The most plausible inference seemed to look upon the senior Laurens van der Vinne (1658—1729), a well-known Dutch... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1946 |
URL: http://www.repository.naturalis.nl/record/526335 |
| |
|
|
| Ooststroom, S.J. van. |
| Beckeropsis petiolaris (Hochst.) Fig. & De Not. in Nederland. In Gorteria 3 (4), 1966, p. 55 vermeldden Reichgelt en ik een adventieve Beckeropsis van Rotterdam, die wij met enige aarzeling als B. petiolaris bestempelden. Intussen verscheen van de hand van W. D. CLAYTON, in Hooker’s Icones Plantarum, ser. 5, vol. 7, part 2, 1967, tab. 3643, p. 1—4, een overzicht met determinatietabel van de 6 soorten van dit geslacht die alle in tropisch en Zuid-Afrika thuishoren. Naar aanleiding van mijn verzoek aan hem, deelde de heer Clayton mij mede, dat onze voorlopige determinatie juist was, zodat wij B. petiolaris nu met zekerheid in de lijst van in Nederland gevonden adventieven kunnen opnemen. |
| Tipo: Article / Letter to the editor |
|
| Ano: 1969 |
URL: http://www.repository.naturalis.nl/record/526735 |
| |
|
|
| Ooststroom, S.J. van. |
| Dit Correspondentieblad stelt zich ten doel het contact te bevorderen tussen hen, die zich bezig houden met floristisch en plantensociologisch werk. Het wil de Nederlandse floristen en plantensociologen, zowel amateurs als vakbiologen, in staat stellen elkaar op vlotte wijze van hun vondsten of denkbeelden op de hoogte te brengen en zich op een gemakkelijke manier met vragen of verzoeken tot elkaar te wenden. Verder wil het trachten hen op de hoogte te houden van nieuwe literatuur, die voor de floristiek en het vegetatieonderzoek van belang is en van andere zaken, die hun belangstelling kunnen hebben. Het zal daartoe bevatten korte mededelingen van floristische en plantensociologische aard, beknopte excursieverslagen, opgaven van nieuwe literatuur,... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1956 |
URL: http://www.repository.naturalis.nl/record/534234 |
| |
|
|
| Ooststroom, S.J. van; Reichgelt, Th.J.. |
| Hut determineren van de in Nederland nog al eens met graan aangevoerde vertegenwoordigers van het Boraginaceae-geslacht Amsinckia Lehm. levert met de in onze flora’s voorkomende tabellen nog al moeilijkheden op. Bij de bewerking van dit geslacht voor de Flora Neerlandica stelden wij een determinatietabel op, die, naar het ons voorkomt, wat meer zekerheid geeft. Voor een juiste bepaling der soorten is het beslist nodig om of levende bloemen te onderzoeken òf gedroogde bloemen op te weken, daar anders het aantal nerven van de bloemkroon en de plaats van inplanting der meeldraden niet te zien zijn. |
| Tipo: Article / Letter to the editor |
|
| Ano: 1961 |
URL: http://www.repository.naturalis.nl/record/534155 |
| |
|
|
| Ooststroom, S.J. van; Touw, A.. |
| The Rijksherbarium received this finely illustrated book from Mr. Anghelos N. Goulandris, chairman of the Board of Governors of the Goulandris Botanical Museum, Kifissia, Greece. In the accompanying letter Mr. Goulandris wrote that this is the first publication of the recently (1963) founded Museum, an institution which has the object of promoting and assisting plant taxonomic activity and research in Greece. The beautiful botanical paintings were made by Mrs. Niki Goulandris, of Athens. They depict many Greek endemics but also species of a much wider distribution. All illustrations are, however, as the author’s introductory note says, of outstanding native wild flowers, especially collected for this purpose by the late Dr. C. N. Goulimis, who also drew up... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1970 |
URL: http://www.repository.naturalis.nl/record/525741 |
| |
|
|
| Ooststroom, S.J. van; Reichgelt, Th.J.. |
| Of Cerastium holosteoides Fr. three subspecies occur in the Netherlands. Subsp. triviale (Murb.) Möschl is common throughout the country, subsp. holosteoides and subsp. pseudoholosteoides Möschl are very rare and only found in a few localities in the tidal area of our larger rivers (island of Dordrecht; Biesbosch). The three subspecies may be distinguished as follows: 1. Leaves hairy above. Indumentum of the plant consisting of long, very acute hairs, whether or not mixed with glandular ones.............. subsp. triviale 1’. Leaves glabrous above, at most ciliate at the margin. 2. Indumentum of the plant consisting of very acute hairs, which are, however, shorter than in subsp. triviale; glandular hairs present or lacking (fig. 1, b-c) subsp. holosteoides... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1961 |
URL: http://www.repository.naturalis.nl/record/526495 |
| |
|
| |
|
|
| Ooststroom, S.J. van; Reichgelt, Th.J.. |
| This paper gives a survey of the forms of Scorpiurus muricatus L. In contradistinction to Thellung who distinguished in his “Flore adventice de Montpellier” 4 subspecies, the present authors subdivide the species into 2 subspecies, each with some varieties. They can be identified with the aid of the following key. In using this key, one must be aware of the fact that several transitions between the subspecies and the varieties exist. 1. Calyx-teeth triangular, shorter than to about as long as the tube. Pod loosely coiled, almost in one plane. Ribs of pod all smooth or only the outer ones muricate or spiny; spines stout, at most as long as the diameter of the pod. Seeds mostly slightly curved subsp. muricatus 2. Ribs of pod all smooth ........... var.... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1964 |
URL: http://www.repository.naturalis.nl/record/527618 |
| |
|
|
| Ooststroom, S.J. van; Reichgelt, Th.J.. |
| This paper discusses acquisitions to the adventitious flora of the Netherlands, mainly found in the year 1964. 1. Erucastrum nasturtiifolium (Poir.) O. E. Schulz was most likely introduced with blocks of granite for the “Delta-works”, near Hellevoetsluis, prov. of South Holland. It is indigenous in parts of Southern and Central Europe. Differences between this species and the native E. gallicum (Willd.) O. E. Schulz are given. 2. Euphorbia dentata Michx., a native of the Central United States and Mexico, was found along a highway near Bodegraven, prov. of South Holland. As far as known to us this is the first record of introduction of the species into Europe. 3. Trientalis borealis Raf., a North American species, was found in a wood near Apeldoorn, prov.... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1965 |
URL: http://www.repository.naturalis.nl/record/526805 |
| |
|
|
| Ooststroom, S.J. van; Reichgelt, Th.J.. |
| In Corr.bl. no.1, p.11 (december 1956) vroegen wij on opgaven van vindplaatsen; liefst met zo nauwkeurig mogelijke gegevens betreffende de standplaats van enige soorten, die hier te lande min of meer ingeburgerd zijn, en wel van Impatiens glandulifera Royle, Polygonum cuspidatum Sieb. et Zucc. en Rudbeckia laciniata L. Over de eerste twee soorten ontvingen wij vrij veel gegevens, over de laatste slechts een enkele. Wij willen nu aan de hand van de ontvangen opgaven, gecombineerd met de ons reeds uit herbarium en literatuur bekende gegevens samenvatten? wat ons nu over de bovengenoemde soorten bekend is. Allen, die ons opgaven zonden, danken wij hierbij voor hun moeite; wij zijn echter overtuigd, dat er een vollediger beeld ontstaan zou zijn, als nog meer... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1957 |
URL: http://www.repository.naturalis.nl/record/534148 |
| |
|
|
| Ooststroom, S.J. van; Reichgelt, Th.J.. |
| Enige tijd geleden werden ons door Prof. Dr. Docters van Leeuwen een aantal Veronica-planten gezonden met gallen van Gymnetron villosulum Gyll., met het verzoek, uit te maken, welke exemplaren tot V. anagallis-aquatica L., welke tot V. catenata Pennell behoorden. Het bleek, dat alle gezonden planten tot de laatste soort moesten worden gerekend. Wij hebben toen het materiaal van deze twee soorten, dat in de collectie van de Kon, Ned. Botanische Vereniging en in die van het Rijksherbarium aanwezig is, nader bestudeerd, en kwamen tot de verrassende ontdekking, dat geen enkel der daarin aanwezige exemplaren van V. anagallis-aquatica door de gal aangetast was en dat deze uitsluitend bleek voor te komen op V. catenata, Daar bovengenoemde herbaria een rijk... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1958 |
URL: http://www.repository.naturalis.nl/record/534249 |
| |
|
|
| Ooststroom, S.J. van. |
| In the year 1930 Mr P. WAGENAAR HUMMELINCK, Utrecht, made a trip to the Netherlands West Indian Islands of Curaçao, Bonaire and Aruba with the intention of collecting zoological objects and of gathering data of zoogeographical interest (see lit. 8). In the years 1936—37 he again collected in these islands and, moreover, visited the islands of Margarita and Los Testigos off the coast of Venezuela, the Venezuelan peninsula Paraguaná and the Colombian peninsula La Goajira. To get a better impression of ecological circumstances in pools and puddles of which a zoological inventory was made, he also gathered Algae and floating and submerged Phanerogams occurring in the collecting stations. On the collector’s request the present author made a study of the aquatic... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1940 |
URL: http://www.repository.naturalis.nl/record/535073 |
| |
| Registros recuperados: 114 | |
|
|
|
