A summary of the new ferns which have been discovered or described since 1874 / by J.G. Baker.

  • Baker, John Gilbert, 1834-1920.
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: A summary of the new ferns which have been discovered or described since 1874 / by J.G. Baker. Source: Wellcome Collection.

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    nules lanceolate, 4 in. long, f in. broad, with many ovate and ovate-lanceolate paleae on the ribs beneath: tertiary segments oblong. Veins 8-10-jugate, deeply forked. Indusium very fragile, Peru, Pavon. Described from a type specimen lent by Mr. H. C. Levinge, in 1885. 12. C. mexicana. Schlecht. So far as I can judge from sterile fronds, the plants which have been widely spread in gardens under the names of Alsophila Mahinei and A. Vangeertii are forms of this species. OLD WORLD SPECIES. In no group of Ferns have the additions made since 1874 been more numerous than in the Cyatheas and Alsophilas of the Old World. 26*. C. Thomsoni, Baker, in Journ. Bot. 1881, 180. Plateau north of Lake Nyassa, Joseph Thomson. Very near C. Dregei of the Cape. 29*. C. mossambicensis, Baker, n. sp. Frond ample, bipinnate, moderately firm, green and glabrous on both surfaces; rachis pale brown, naked, unarmed. Pinnae lanceolate, a foot or more long, 2 in. broad; pinnules linear-oblong, obtuse, distinct, crenate, in. broad. Central veins of the pinnules twice forked. Sori placed nearer the midrib than the margin. In- dusium a firm persistent cup with a truncate mouth. Namuli Makua country, Last, collected in 1887. Near C. cajneroon- tana, Hook. 33*. C. Lastii, Baker, in Journ. Bot. 1891, 13. North-West Mada- gascar, Last. 33*. C. regularis, Baker, in Journ. Linn. Soc. XXV, 349. Mada- gascar, Baron. 33*. C. discolor, Baker, in Journ. Linn. Soc. XV, 412. Madagascar, Pool. 33*. C. serratifolia, Baker, in Journ. Bot. 1884, 139. North-West Madagascar, Humblot, 278. Very distinct; cutting of Alsophila Taenitis. 33*. C. polypblebia, Baker, in Journ. Linn. Soc. XX, 303. Mada- gascar, Baron. 33*. C. segregata, Baker, in Journ. Linn. Soc. XX, 303. Mada- gascar, Baron.