378 52. GYMNOGRAMME, DIGRAMMARIA EUGYMNOGRAMME. 



pinnl. ; texture herbaceous ; colour deep-green ; rachis and both sides naked ; 

 veins pinnate in the lobes of the pinnl., with the sori near the main veins. Hk. 

 Sp. 5. p. 142. t. 294. 



Hab. Japan, Oldham, 374. 



11. G. (Lept.) opaca, Spreng. ; st. l|-2 ft. 1., strong, stramineous, glossy ; fr. 

 several ft. 1., often 2 ft. br. ; lower pinna often 1 ft. 1., 6 in. br. ; pinnl. close, 

 lanceolate, cut down nearly to the rachis below into close oblong, slightly- 

 toothed lobes ; texture herbaceous ; rachis and both sides naked ; veinlets forked ; 

 sori oblong, irregular, close to the midrib. G. obtusata, Bl. Hk. Sp. 5. p. 143. 



Hab. North India and Java. 



Digrammaria, Presl. Main veins and lower ones of the same group forming 

 costular areolce, as in Pleocnemia. Sp. 12. 



12. G. (Digram.) ambigua, Hk. ; st. slender, nearly naked ; fr. 1^-2 ft. 1., 

 1 ft. br., oblong-deltoid, bipinnatifid ; pinnae lanceolate, 5-6 in. 1., 1-1^ in. br., 

 the lower ones slightly stalked, cut halfway down to the rachis or more into 

 linear-oblong lobes, the fertile ones contracted ; texture thinly herbaceous ; colour 

 dark-green ; rachis and both sides thinly clothed with long jointed hairs ; 

 veinlets of the lobes often forked, the lower ones forming costular areolae ; sori 

 oblong, confluent when the veins fork. Hk. Sp. 5. p. 150. Heterogonium 

 aspidioides, Presl. 



Hab. Philippines, Cuming, 154-321. 



Stegnogramme, Blume. Veinlets of contiguous groups uniting as in Eu- 

 nephr odium and Goniopteris. Sp. 13. 



13. G. (Steg.) aspidioides, Hk. (non Kaulf.) ; st. tufted, 6-9 in. 1., deciduously 

 villose ; fr. 12-18 in. 1., 6-10 in. br., oblong-lanceolate, simply pinnate ; pinnae 

 lanceolate, 3-5 in. L, f-lj in. br., bluntly lobed a quarter or third of the way 

 down to the midrib, truncate at the base ; texture herbaceous ; rachis and both 

 sides more or less villose ; veins pinnate in the lobes, with 6-9 veinlets on a side. 

 Hk. Sp. 5. p. 150. 2nd Cent. t. 50. 



Hab. Khasya, Ceylon, and Java. The East Indian is less villose than the Malayan 

 plant, with narrower pinnae and fewer veins, and is S. asplenioides, J. Sm. 



Series 2. Habit and mode of growth of Cheilanthes. Sori linear, usually 

 forked. Sp. 14-57. 



Eugymnogramme. Veins free, under surface not powdery. Sp. 14-50. 

 Fig. 52 a. 



* Frond simple. Sp. 14-16. 



14. G. reniformis, Mart. ; st. densely tufted, 1-2 in. 1., wiry, ebeneous ; fr. 

 1-1 ^ in. each way, the outer edge round, faintly crenated ; texture coriaceous; 

 veins flabellate ; sori simple, linear, at last forming a broad line parallel with the 

 outer edge g in. within it. Hk. Sp. 5. p. 126. 2nd Cent. t. 9. Pterozonium, 



Fee. 



Hab. Brazil and Peru. 



15. G. marginata, Mett. ; Jr. simple, ligulate-oblong, 8-16 in. 1., f-1^ in. br., 

 narrowed towards both ends, at the base gradually into a short stem, the edge 

 slightly repand ; texture coriaceous ; both sides naked ; veins prominent, usually 

 forked ; sori linear. Hk. Sp. 5. p. 127. 



Hab. New Caledonia, Vieillard, 1642. A very distinct plant, with the habit of 

 Thamnopteris. 



