674 FILICES. 



Imr,, S. Vincent !, Guild., high mountains ; [French islands ! ; southern temperate zone and 

 tropical mountains]. 



152. I*, magellanica, Desv. Low-arborescent; leaf pinnatisect, rigid-coriaceous: 

 segments of the fertile ones linear, of the sterile oblong -linear, rounded or cuneate at the 

 subsessile or adnate base, entire ; indusium large, at length lacerate. — Kze. Analecl. t. 18.—- 



L. rufa, Spreng. L. Ryani, Kaulf. — Perhaps passing into the preceding, but trunk " 1-4 

 high," terminated by a coma of narrow, l'-l^'long, brown paleae; segments 3"-6 long, 

 6"'-10"' broad.— Hab. Montserrat {Kaulf.); [Venezuela! to Fuegia; Mauritius to the 

 Cape!]. 



26. STENOCHLiENA, J. Sm. {exclus. sp., non Fee). 

 (Lomariopsis, Fie.) 



Sori covering the under side of the contracted leaflets of a pinnate leaf, except the mem- 

 branaceous, often revolute margin, naked : sterile leaf difform. — Leaf pinnate : veins costate, 

 midrib of the segments excurrent. 



153. S. sorbifolia, J. Sm. Scandent, prickly below; leaf els \4-22-jugal, oblong- 

 lanceolate, poinlleted, cuneate at the base, serrulate, glabrous, chartaceous : rhachis mar- 

 gined : veins excurrent ; fertile leaflets linear, petiolulate •. margin very narrow : veins free. 

 —Plum. Fit. t. 117.— Acrostichum, L. Onoclea, Sw. Lomaria, Kaulf— 30'-40' high, 

 "clasping trees like a cable;" leaf l'-l^' long : most leaflets 2" long, 6"'-8'" broad, fertile 

 as long, 2'" broad. — Hab. Jamaica !, Pd., Al. ; Montserrat, S. Vincent !, Guild. ; [Cuba ! to 

 Brazil I]. 



154. S. long-ifolia, /. Sm. Unarmed ; leaflets 5-6-jugal, oblong, rounded-pointleted, 

 cuneate at the base, serrulate-repand, glabrous, chartaceous : rhachis margined : veins ex- 

 current, forked and simple ; fertile leaflets linear, petiolulate : margin narrow, expanded : 

 veins free.— SI. t. 38. Fee, Polgpod. t. 1. B. f. 1.— Lomaria, Kaulf. Lomariopsis ery- 

 throdes, Fee— Leaf 1' long : leaflets 3"-4" long, 1" broad, fertile 2"-3" long, 3'" broad. 

 — Hab. Jamaica !, Wils. ; Dominica !, Imr. ; Trinidad !, Pd., on trees ; [French islands to 

 Guiana!]. 



155. S. japurensis, Gr. Unarmed; leaflets 6-9-jugal, large, oblong, pointleted, 

 rounded-cuneate at the base, repand-entire, glabrous, chartaceous : veins excurrent into the 

 slightly thickened margin, most simple, few-forked ; fertile leaflets long, linear, petiolulate : 

 margin very narrow : veins connected by an intramarginal arch. — Mart. Crypt. Bras. t. 

 24. — Acrostichum, Mart. A. phlebodes, Kze. ! in PL Kegel. {Lomariopsis, Fee). — Le af 

 H'-3' long : leaflets 6"-4"long, 2"-l£" broad, fertile 6" long, 4'" broad.— Hab. Trinidad !, 

 Pd., in woods, on trees, Arima; [Guiana!, Brazil]. 



27. GYMNOPTERIS, Bernh. 



Sori covering the under side of the flat segments of a pinnatisect leaf, naked : sterile leaf 

 difform. — Sterile leaf large, pinnatisect, or pinnatifld : veinlets in a network, midrib of the 

 segments excurrent. 



156. G. aliena, Pr. Leaf pinnatisect below, pinnatifld at the deltoid summit, mem- 

 branaceous, glabrous : segments oblong-lanceolate, acuminate, inferior pinnatifld or coarsely 

 crenate-serrate, lobes and serratures upward decrescent : vein-meshes with a simple (or no) 

 appendages ; fertile segments lanceolate, inferior often sinuate below, superior entire. 

 Plum. Fit. t. 10. Book. Gen. t. 85.— Acrostichum, Sw.— H'-3' high ; lowest segments 

 6"-4"(-8") long, 2"-l" broad, shortly petiolulate : lowest inferior lobe exceeding the rest ; 

 fertile segments 3"-l" long, 6"'-3"'(-8 7 ") broad at the base. 



a. Lowest segments pinnatifld : most meshes with interior, simple appendages. 

 /3. Purdiai. Lowest segments crenate serrate : most meshes devoid of appendages. 

 Hab. Jamaica !, Pd., Wils. {$), in moist woods, S.'James, Manchioneal ; Trinidad ., 

 Lockh. (o). ; [Cuba ! and Mexico ! to Ecuador ! and Guiana !]. 



157. G. nicotianifolia, Pr. Leaf pinnatisect, chartaceous, glabrous: segments 2-4- 

 jugal, large, elliptical-oblong, pointleted, repand-entire, terminal elliptical : meshes between 

 the pinuate veins with brauchcd appendages ; fertile segments oblong, or oblong-lanceolate, 



