XOTHOCHL^NA. 109 



feet ; New Mexico, Eaton. Jamaica, St. Andrew's parish and elsewhere, frequent, 

 alt. 3-4000 feet, Wilson, llartweg, n. 1516, March, and others. — This has been 

 confounded with the rufous variety of N. trichomanoidus, from which it is very 

 distinct. 



3. N. affinis, Hook. ; '• caudex creeping clothed with 

 blackish lanceolato-subulate ciliated scales, stipites 1-2 

 inches long brown upwards setose with slender scales and 

 sprinkled with a cereaccous substance, fronds subcoriaceous, 

 above laxly beneath thickly covered with a white powdery 

 substance 3 inches long elongato- lanceolate pinnated, pinnae 

 alternate laxly placed obliquely patent shortly petiolate 3-4 

 lines long ovato-oblong obtuse i)iunatipartite, the lowest ones 

 abbreviated, segments 3-4 on each side coadunate ovate or 

 oblong obtuse entire, sori of few capsules black forming an 

 intraniarginal line sunk in the cereaceous mass." Mettea. — 

 Cheilanthes, Metten. CheU. p. 20. Nothochleena pulveracea, 

 Kl. Linncea, xx. />. 417, excl. syn. 



Ilab. " Mexico " {Aschenborn). — Unknown to me. 



4. N. trichomanoides, Br. ; caudex short stout creeping often 

 studded with bulbiform processes and all clothed with subu- 

 late black glossy appressed scales, stipites 2-4 inches long 

 rather stout purple-black and as well as the rachis more or 

 less villous and pubescent, fronds 6-12 inches long h-\ inch 

 or Ij inch broad coriaceous pinnated dark-green above and 

 glabrous beneath pure white with cereaceous powder and 

 clothed with deciduous stellated tomentum, pinnse numerous 

 horizontal sessile or nearly so, from a broad cordate or trun- 

 cated base ovato-oblong obtuse subentire or lobato-sinuate 

 the largest lobes at the base constitute obtuse rounded auri- 

 cles, sori forming a narrow continuous border just within the 

 edge. — Br. Prodr. p. 145 [inobs.]. Klfs. En. Fil.p. 133. Pteris, 

 Linn. Sp. PL p. 1532. Sw. Syn. Fit. p. 102. Schlc. Fil. p.^\. 

 t. 99. Cincinahs, Desv. Cheilanthes, Metten. CheU. p. 18. 

 — Plum. Fil. t. 75. 



Hah. Jamaica, common, and for a long time supposed to be peculiar to that 

 island. Cuba, C. Wright, n. 77f) and 1018. — The under side of this Fern appears 

 in Herbaria under two very difterent colours, pure white and rusty colour: the 

 tirst is due to a pulverulent cereaceous substance attached to the cuticle; tlie 

 latter to ferruginous down mixed with soft slender scales which, being deciduous, 

 the white powder is brought into view. 



.'). IS . hypoleuca, Kze. ; caudex creeping clothed with dark- 

 brown glossy paleaceous subulate piliferous scales often also 



