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INDONESIA
REINWARDTIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
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Articles 4 Documents
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Search results for , issue "Vol. 1 No. 1 (1950)" : 4 Documents clear
FURTHER NOTES ON THE FERN-GENUS HETEROGONIUM PRESL R. E. HOLTTUM
Reinwardtia Vol. 1 No. 1 (1950)
Publisher : BRIN Publishing (Penerbit BRIN)

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In the "Sarawak Museum Journal," volume V (1949), pages 156-166,I gave a revised account of the genus Heterogonium Presl, based on specimens in the Singapore herbarium.Dr M. A.Donk wrote subsequently pointing out that specimens at Bogor (Buitenzorg) add materially to the information contained in that paper.The present paper gives the result of a study of the Bogor specimens.I am glad to express my gratitude to Dr Donk for calling my attention to species which I had overlooked when searching literature on Malaysian ferns for indications of affinity to Heterogonium. The Bogor material includes the type specimens of Acrostichum teysmannianum Bak.,Phegopteris schizoloma v. A. v. R. Dryopteris sagenoides forma contracta v. A. v. R.,Polybotrya nieuwenhuisii Racib.and Polybotrya nieuwenhuisii var. brooksii v. A. v. R.,also many sheets of H. giganteum, and material of H.sagenoides from a wider geographic range than I had previously seen.Summarizing the results of the present paper,I have united H.nieuwenhuisii and H. stenosemioides of my former paper,and have also united H.saxicola with H. giganteum.Further, I now recognize a second exindusiate species allied to H.sagenoides; but the variation in pubescence among exindusiate specimens, as within the species H.sagenoides proper,is very considerable,and I find it very difficult to draw specific limits. It is likely that there are local races, but much more field work in many localities is necessary before one can speak with certainty about this or define their status taxonomically. One interesting fact is that no exindusiate specimens of this alliance have been found in the Malay Peninsula, whereas Peninsular collections of indusiate H. sagenoides are more abundant than from any other area.It is especially the variation in pubescence among specimens of H.sagenoides,and the lack of clear-cut varieties or subspecies within the Malay Peninsula, that deters me from distinguishing more species outside the Peninsula, based on few specimens.Another generalization based on many specimens is that fertile fronds are always much less hairy on the lower surface than sterile fronds of the same plant.As regards another kind of character, namely venation,I have noted that fronds of immature plants may not show the low
MALAYSIAN LICHENS —I I P. GROENHART
Reinwardtia Vol. 1 No. 1 (1950)
Publisher : BRIN Publishing (Penerbit BRIN)

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The Umbilicariaceae are a family of Lichens occurring almost exclusively in temperate regions and moreover frequently growing on rocks. Nevertheless this family is represented in the tropics; it has been reportedfrom tropical America and Africa. As far as data are available they occur on rocks in the upper regions of high mountain-ranges, viz. of the Andes of Bolivia and Peru and of Pico d'Orizaba in Mexico from 10,000 feet upwards. For Africa the data are in accordance: Mount Deschen in Abyssinia (14,200 feet) and Mount Kilimanjaro in Kenya (12,000 feet). For the tropics of Asia an early record exists of the appearance of a species of Umbilicaria; until today, however, this indication has not yet been confirmed and as far as I could gather, it has remained the only one. In Zollinger's "Systematisches Verzeichniss der im indischen Archi- pel gesammelten Pflanzen," page 8, 1854, one reads: "Ad rupes summi M. Ardjuno (11,000') occurrit Umbilicariae spec, sed nunc in herbario caret." In Moritzi's "Systematisches Verzeichniss der von H. Zollinger in den Jahren 1842—1844 auf Java gesammelten Pflanzen," 1845-1846, Umbilicaria is not mentioned, although Zollinger climbed Mount Ardjuno in 1844 and the material was collected probably in that year. Later workers on Zollinger's lichens did not describe an Umbilicaria from his collections either, so that we may assume it has been lost. On July 20, 1932 and some years later, on March 27, 1937, I ascended the summit of Mount Ardjuno myself and am rather confident that I collected my specimens of Umbilicaria from the same rock as Zollinger did almost a century ago. Up there, just beneath the top at about 3,300 m, there are only a few big rocks on which this species grows. The top itself is 3,339 m. In the somewhat lower surroundings of the top I could not locate any other specimen. On the summits of Mount Welirang (3,156 m), Northern Kembar (3,020 m), Southern Kembar (3,100 m), and Mount Bakal (2,980 m), which all belong to the Mount-Ardjuno complex, I failed to discover Umbilicaria, too. The same holds true for Mount Kawi (Butak;
NOTES ON THE GENUS CYLINDROCLADIUM (Fungi: Mucedinaceae) K. B. BOEDIJN, J. REITSMA
Reinwardtia Vol. 1 No. 1 (1950)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

The genus Cylindrocladivm was erected by Morgan in 1892 for a Mucedinaceous fungus with Penicillium-like branching and long,cylindrical,two-celled conidia.The original diagnosis runs: — Cylindrocladium Morgan. "Hyphae steriles repentes,fertiles erectae,dichoto mice ramosae,septatae, basidia in apice ramorum subterna fusoidea,conidia cylin- dracea, 1-septata." The type and only species,Cylindrocladium scoparium Morgan,was found on dead pods of Gleditschia triacanthos L.In 1900 the same fungus was reported by Ellis and Everhart on dead leaves of Asimina triloba Dun.They considered it a new species of the genus Diplocladhim Bonord.and described it accordingly as Diplocladium cylindrosporum Ell.& Everh.In 1912 Hawley (see Rea and Hawley) erected the genus Candelospora with the following diagnosis
NOTE SUR LES GENRES PALEOTROPICAUX AFZELIA, INTSIA ET PAHUDIA (Legum.-Caesalp.) J. J. G. LEONARD
Reinwardtia Vol. 1 No. 1 (1950)
Publisher : BRIN Publishing (Penerbit BRIN)

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1. Afzelia,Intsia,Pahudia,and Afrafzelia are very close to each other andnot well defined genera. 2. Intsia is a good genus, but the three,other ones are congeneric with eachother. 3. Afzelia Smith is a nomen conservandum and,therefore, must be maintained against Pahudia, generally used in Asiatic and Malaysian floras. 4. An enumeration of all species of Afzelia is given.In this connection some new combinations are made

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