376 52. GYMNOGKAMME, § LEPTOGRAMME. 



upper ^art of the frond, the edges of which are more or less inflexed.* Blechnum, 

 mUd. M. graminifolia, JSk. Sp. 5. p. 124. 



Hab. West Indies and Guatemala to South Brazil, 



9. M. (Pleur.) immersa. Fee ; fr. csespitose, 2-3 in. 1., IJ 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. — ffi. 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. Gymnooeamme, Desv. (See pag;e S15.) 



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. C. f. 52. 



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

 oblong, not forked. Sp. 1-13. 



§ Leptogramme, J. Sm. Veins free. Differs from Euphegopteria only by it.-j 

 elongated sori. Sp. 1-11. 



* Frond bipinnatifid. Sp. 1-9. 



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

 base ; ff. 6-8 in. 1., lf-2 in. br., lanceolate ; pirmce lanceolate, 1 in. 1., f in. br., 

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

 herbaceous ; ra<Ms and both sides pilose ; veins pinnate in the lobes, with 

 3 simple veinlets on a side ; sori irregular .-^ffl;, Sp. 5. p. 141. 



Hab. Mexico. — A doubtful plant ; perhaps a small slender form of 0. diplaeioides, 

 more hairy than usual. 



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

 villo'se, and the lower part scaly ; fr. 6-12 in. 1., 3-4 in. br., bipinnatifid ; pinna: 

 1^-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. Brp. 132. 



Hab. Panama to Peru and S. Brazil. 



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

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

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

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

 veinlets pinnate in the lobes, with 6-6 veinlets o'n a side, with the linear-oblong 

 sori medial.— IT*. Sp. 5. p. 138. G. Lowei, Hk & Qr. 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 greyisli hairs ; fr. 12-18 in. 1., 6-10 in. br., bipinnatifid ; 

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

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



