ACROSTICHUM, § POLYBOTRYA. 247 



Peru, Spruce, n. 4744 (fine specimens, hut sterile only). Ecuador, Jameiton 

 (fertile frond only). — A very peculiar and elegant species, with very small, deeply- 

 cut sterile pinnules. 



105. A. (Polybotrya) ccmaliculatwn. Hook. ; caudex very- 

 long (15 feet) scandent densely clothed with long subulate 

 brown scales spinulose towards the apex, stipes and rachis 

 stramineous paleaceous with long subulate scales above with 

 broader and shorter ones, "fronds coriaceous glabrous 2\ 

 feet long ; sterile ones lii-tri-subquadripinnate, lower secon- 

 dary pinnse petiolate ovato-oblong acute subpinnatifid from 

 the middle to the lower base cuneate, superior truncate and 

 produced unequally oblong obtuse pinnate at the base or 

 inciso-pinnatifid, upper ones decurrent ; fertile fronds qua- 

 dripinnate, ultimate pinnules petiolate subglobose or obo- 

 vate." Metten. — Polybotrya, A7. in Linncea, xx. p. 429. 

 Eat. in Fit. Wright, et Fendi. p. 196. Metten. Fil. Hort. 

 Lips. p. 24. 



Hab. Venezuela, Moritz, n. 278, Karsten, Fendler, n. 262. — This is a very 

 elegant plant, the fronds much smaller than any of the preceding species, bright 

 green when dry, paler beneath, and with the ultimate fertile pinnules small, 

 petioled, globose. 



106. A. (Polybotrya) articulatum., Hook.; caudex?, stipes?, 

 rachis thick as a goose-quill dark purple-brown slightly hairy 

 and subpaleaceous with soft subulate scales (reddish-brown 

 in the fertile frond), fronds ample probably several feet long 

 and certainly 2 5 feet broad (in the fertile frond) firm-niem- 

 branaceous dark-brown when dry bipinnate ; sterile froi\ds, 

 primary pinnae articulated upon the rachis 8-10 inches long 

 pinnated to the very apex, pinntc petiolate and articulated on 

 their rachis nearly uniform f of an inch long obliquely ovate 

 obtuse, the superior base produced truncated and strongly 

 auricled sharply serrated, inferior base excised ; fertile fronds 

 much narrower, the pinnules small petioled articulated 2—4 

 lines long linear auricled at the superior base and sometimes 

 at the inferior also the under side soriferous. — Polybotrya, 

 J. Sm. in Hook. Bot. .Town. iii. p. 401 {name only). Fee, 

 Acrost. p. 74. /. 37 {excellent). 



Hab. Leyte, Philippine Islands, Cuming, n. 296. — An extremely well marked 

 species, only found, we believe, by Mr. Cuming. 



107. A. (Polybotrya) Wilkesianumy Hook. ; caudex long 

 scandent angular and almost winged as thick as a swan's 

 quill several twining round each other radicant almost quite 



