376 52. GYMNOGRAMME, LEPTOGRAMME. 



r part of the frond, the edges of which are more or less inflexed. Blechnum, 

 M. graminifolia, Hk. Sp. 5. p. 124. 



Hab. West Indies and Guatemala to South Brazil. 



9. M. (Pleur.) immersa, Fee ; fr. csespitose, 2-3 in. 1., 1^ lin. br., tapering 

 downwards into an indistinct stem ; habit and veins of the preceding, but the 

 sori sunk in a deep central longitudinal cavity, and in all our specimens confined 

 to the central third of the triquetrous frond. Hk. Sp. 5. p. 125. 



Hab. Cuba, Venezuela, and Guiana. P. myrtillifolia, ~F6e, supposed to be from 

 Mexico, has a subspathulate frond 7-8 lin. 1., with the short sorus in a depression near 

 the point. 



GEN. 52. GYMNOGRA.MME, Desv. 



Sori arising from the veins over the under surface of the frond, linear or linear- 

 oblong, simple or forked. A considerable genus, principally tropical, including 

 plants of very various habit and venation. TAB. 6. f. 52. 



Series 1. Habit and mode of growth of Aspidiece. Sori oblong or linear- 

 oblong, not forked. Sp. 1-13. 



Leptogramme, J. Sm. Veins free. Differs from Euphegopteris only by its 

 elongated sori. Sp. 1-11. 



* Frond bipinnatifid. Sp. 1-9. 



1. G. (Lept.) pilosa, Mart. & Gal. ; st. 3-4 in. 1., slender, villose, scaly at the 

 base ; fr. 6-8 in. 1., If -2 in. br., lanceolate ; pinnae lanceolate, 1 in. 1., f in. br., 

 the lower ones slightly bluntly lobed, the lowest scarcely reduced ; texture 

 herbaceous ; rachis and both sides pilose ; veins pinnate in the lobes, with 

 3 simple veinlets on a side ; sori irregular. Hk. Sp. 5. p. 141. 



Hab. Mexico. A doubtful plant ; perhaps a small slender form of G. diplazioides, 

 more hairy than usual. 



2. G. (Lept.) asplenioides, Kaulf. ; caud. stout, suberect ; st. tufted, 2-6 in. 1., 

 villose, and the lower part scaly ; fr. 6-12 in. 1., 3-4 in. br., bipinnatifid ; pinnae 

 l|-2 in. 1., J- in. br., horizontal, sessile, linear, varying from subentire to cut 

 more than halfway down to the rachis in the lower part, the lowest lobe on the 

 upper side produced and the lower side rather truncate ; rachis and both sides 

 slightly pubescent ; texture firm-herbaceous ; veinlets slightly pinnate in the 

 lobes ; sori oblong. Hk. Sp. 5. p. 132. 



Hab. Panama to Peru and S. Brazil. 



3. G. (Lept.) Totta, Schlecht ; rhizome decumbent ; st. subtufted, 6-12 in. 1., 

 slightly scaly below ; fr. 12-18 in. 1., 6-10 in. br., bipinnatifid ; pinnce lan- 

 ceolate, 3-5 in. 1., f-1 in. br., with blunt entire lobes lf-2 lin. br., which reach 

 about halfway down ; texture herbaceous ; rachis and both sides finely villose ; 

 veinlets pinnate in the lobes, with 5-6 veinlets on a side, with the linear-oblong 

 sori medial. Hk. Sp. 5. p. 138. G. Lowei, Hk. & Gr. Ic. t. 138. 



Hab. Cape Colony, Guinea Coast, Madeira, Azores, Abyssinia, Himalayas, Neilgherries, 

 Ceylon, Java, Japan, Hong-Kong, Corea. 



4. G. (Lept.) villosa, Link ; st. 6-9 in. 1., firm, stramineous, densely clothed 

 with soft spreading greyish hairs ; fr. 12-18 in. 1., 6-10 in. br., bipinnatifid ; 

 pinnce 3-5 in. 1., ^ in. br., cut more than halfway down into subfalcate entire 

 lobes 2 lin. br., the lower ones not reduced, narrowed at the base ; texture 



