34 6. ALSOPIIILA 



deciduous, bullate scales beneath ; sori very deciduous, intermediate between the 

 costa and margin ; recept. elevated, with few hairs. Hk. and Gr. Ic. F. t. 213-215. 

 Sp. \.p. 39. t. 19. B. Als. nitens, J. Sm. (fide Griseb.). 



Hab. W. Indies ; Cuba, C. Wright, with large, glossy, lanceolate scales at the base of 

 the stipes, 1 in. or more 1. 



13. A. ferox, Presl; fr. ample, tripinnate; rachises brown-stramineous, the 

 main ones often strongly muricated ; pinnce ovate-lanceolate, 1-1^ ft. 1. ; pinnl. 

 sessile, ligulate, 3-4 in. 1., ^-| in. br. ; seg. close, ligulate, blunt, denticulate, often 

 under 1 lin. br. ; texture thin, not coriaceous ; both sides bright-green, slightly 

 hairy on the ribs, not scaly ; veins close, forked, 10-12-jugate ; sori minute, 

 medial. Hk. Sp. 1. p. 41. A. armata, Mart. Ic. Crypt, t. 48, non Presl. 

 A. aculeata, J. Sm. 



Hab. Spread through the whole of Tropical America. 



14. A. leucolepis, Mart.; fr. ample, tripinnate; rachises grey-stramineous, naked, 

 smooth; pinnce oblong-lanceolate, 1-1 % ft. 1. ; pinnl. ligulate-lanceolate, nearly 

 sessile, 3-4 in. 1., f-1 in. br. ; segm. ligulate, not close, blunt, Jin. br., denticulate; 

 texture rigidly membranous ; both sides green, the lower with copious minute 

 white broad scales on the ribs; veins 7-8-jugate, forked ; sori minute, medial. 

 Ic. Crypt, t. 46. Hk. Sp. 1. p. 41. 



Hab. Brazil and Columbia. Perhaps not more than a variety of infesta, bearing the 

 same relation to the type that Arbuscula has to procera. 



15. A. infesta, Kze. ; fr. ample, tripinnatifid ; rachises brown-stramineous, 

 slightly pubescent, the main one's muricated ; pinnce oblong-lanceolate, 1-1 J ft. ; 

 pinnl. ligulate, 3 in. 1., f-f in. br., cut down to a narrow wing ; segm, J in. br., 

 ligulate, blunt, not close, subentire ; texture subcoriaceous ; both sides green, 

 lower slightly pubescent, scarcely furfuraceous on ribs ; veins 7-8-jugate, lower 

 forked ; sori minute, medial ; recept. paraphysate. Hk. Sp. 1. p. 42. 



Hab. Tropical America ; widely spread. 



16. A. atrovirens, Presl ; fr. ample, tripinnatifid ; rachises substramineous, 

 glabrous beneath, smooth or muricated ; pinnce lanceolate, 9-15 in. 1., 3-4 in. br. ; 

 pinnl. subsessile, |-| in. br., cut about halfway down to the rachis ; segm. blunt, 

 ascending, entire, in. br. ; texture subcoriaceous ; both sides green, glabrous, 

 without scales ; veins 4-5-jugate, simple ; sori minute, medial. Hk. Sp. 1. p. 46. 

 Polyp, atrovirens, Langs, and Fisch. Ic. t. 14. A. Hookeriana, Klotzsch, Hk. Sp. 

 1. p. 30. 



Hab. South Brazil. 



17. A. elongata, Hk.; sharply aculeated, glabrous, except on the rachis above ; 

 fr. bipinnate ; prim, pinnce 2-3 ft. 1., 8 in. w. ; pinnl. 6 in. and more 1., lan- 

 ceolate, much elongated, pinnatifid nearly to the rachis, terminating in a long, 

 narrow, serrated, caudate acumen ; lobes 5-6 lines ]., remote, linear, rather 

 acute, rigid, much falcated, the margins recurved, serrated ; veins twice or thrice 

 forked from near the base ; sori numerous, covering the entire segments except 

 at the apex ; bullate scales none, or quickly deciduous ; recept. very hairy. Hk. 

 Sp.l. p. 43. 



Hab. Columbia, Hartweg, n. 1528 ; Central America, Barclay, Seemann. Since first 

 I published this, I have received specimens from other collectors, identically the 

 same with our plant, and to one of which Mr. J. Smith had given the name of Als. 

 Tu.maee.nsis. 



