43. ASPIDIUM, § POLYSTICHUM. 249 



Polystichum, Both. Veins all free. Sp. 1-42. Texture more or less 

 coriaceous in all except species 1, 4, 38, 39, and 41» and teeth usually awned. 



* Frond pinnated only. Sp. 1-2. 



1. A. (Polyst.) glandvlosvm, Hk. & Gr. ; st. tufted, very short ; fr. 6-8 in. 1., 

 1-1^ in. br., oblong-lanceolate, tapering to both ends, cut down nearly to the 

 rachis above and quite below into bluntly sinuated linear-oblong lobes, 

 emarginate on the upper, decuvrent on the lower side at the base ; texture 

 herbaceous ; rachis and both surfaces finely glanduloso-pilose ; veins pinnate, 

 the veinlets in groups of three ; sori 2-8 to a pinna, midway between the midrib 

 and edge.— /T/t. Sp. 4. p. 6. Hk. & Gr. t. 140. {not Blume). 



Ha.b. Cuba and Jamaica. 



2. A. (Polyst.) Plaschnickiari'wm, Kunze ; st. tufted, 3-1 in. 1., slender, fibrillose 

 below ; Jr. 4-6 in. 1., ^j in. br., lanceolate, rooting at the point, subentire or 

 slightly or deeply lobed at the base ; texture coriaceous ; both surfaces slightly 

 fibrillose j lower veins in groups of four; sori copious, scattered. — Hi. Sp. 4. 

 p. 7. t. 211. 



Hab. Jamaica. — According to Grisebach, a less out form of species 3. 



** Fronds once pinnate, the lower pinn<s entire or pinnati/id below. Sp. 3-17. 



3. A. (Polyst.) rhizophyllum, Swz. ; st. tufted, 1-2 in. 1., fibrillose, slender ; fr. 

 2-6 in. 1., j in br., with the long, narrow, upper half of the frond lengthened 

 out and rooting, the lower half cut down to a flattened fibrillose rachis into 

 oblong rhomboidal subentire lobes, f-^ in. br., J in. deep ; texture subcoriaceous ; 

 veins copiously pinnate in the lobes ; sori scattered.— /fA. Sp. i. p. 7. Hk. S 

 Gr. Ic. t. 69. 



Hab. Jamaica and Cuba. 



4. A. (Polyst.) semicordatum, Sw. ; st. scattered, 6-12 in. 1., fibrillose at the 

 base ; fr. 2-3 ft. 1., 8-12 in. br., simply pinnate ; pinnce spreading, 4-6 in. 1., 

 J-f in. br., nearly entire, acuminate", cordate or truncate at the base ; texture 

 papyraceo-herbaceous or subcoriaceous, both sides naked and rachis nearly so ; 

 veins pinnate, the lower ones ending short of the edge ; sori in 1-3 rows on each 

 side, the inner one the most constant and regular, close to the midrib. — Hk. Sp. 

 4. p. 16. Cyclopeltis, J. Sm. 



Hab. Tropical America, from Cuba and Panama to Brazil and Peru ; Philippines, 

 Amboyna, Malayan Peninsula and Isles. — This correspondB to the genus Hemicardiura 

 of F^e, who makes five species. A, Kvngii, Hance {Ann. Sc. Nat. 4. ser. 18. p. 237), 

 from the Caroline Isles, is said to have blunt repand pinns IJ in. 1., under J in. br. ; 

 veins less branched, and fruit in a single line, 



5. A. (Polyst.) munitum, Kaulf. ; st. tufted, 4-9 in. 1., strong, straw-coloured, 

 densely clothed, especially below, with large glossy lanceolate scales ; fr. 1-2 

 ft. I., '4-8 in. br. ; pinnce close, 3-4 in. 1., f-^ in. br., the apex acuminate, the 

 edge finely spinuloso-serrated throughout, the upper side auricled and the lower 

 obliquely truncate at the base ; texture subcoriaceous ; rachis generally scaly ; 

 veinlets fine, close ; sori in two rows near the edge. — Hk. Sp. 4. p. 10. t. 219. 



Hab. Western N. America, from Nootka to California. 



6. A. (Polyst.) falcinellum, Swz. ; st. tufted, 4-8 in. 1., densely clothed, 

 especially below, with blackish-brown lanceolate scales;^. 12-18 in. 1., 4-6 in, 

 br. ; central pinnw with about their own space between them, 3 in. 1., J in. br., the 



2 I 



