2 
Ferns of British India and Ceylon. 
GENUS I.— GLEICHENIA. {Smith.) 
(In honour of Gleichen, a German botanist). 
Sori of few sessile capsules, situated on a lower exterior veinlet ; 
caudex generally creeping ; frond rarely unbranched, generally 
dichotomously divided, often proliferous from the axils of the forks ; 
pinnae deeply pinnatifid, with the segments small and concave, sub- 
orbicular, or pectinate with elongated lobes. 
§ Sori solitary at the apex of a veinlet. 
T. Gleichenia circinata. {Sw}j Fronds dichotomous, divari- 
cated, lobes of the pinnules bead-hke, ovate, or subrotund, the 
margins slightly recurved ; capsules 3-4 ; branches and rachis 
glabrous, or more or less scaly. Bedd. F. B> I. t. i"]"], as semivestita 
Labill. Hook. Sp. Fil. p. 11. 
Malacca. 
(Also in Australia, Tasmania, New Zealand, and New Caledonia.) 
§ Sori near the middle, or at the forking, of the veinlets. 
2. Gleichenia glauca. {Hook.) A large straggling fern many 
feet long ; stipes stout forked ; primary pinnse opposite, secondary 
pinnae alternate, close, 6-8 inches long by 1-2 broad, lanceolate, 
acuminate, pinnalihd nearly to the rachis, the segments or pinnules 
oblong-lanceolate, but obtuse, more or less glaucous beneath, 
glabrous or tomentose, and paleaceous on the stipes and rachis ; 
capsules 3-5, often mixed with hairs. Bedd. F. B. I. t. 30, as 
gigantea Wallich. G. longissima, Bl. Hook. Sp. Fil. p. 12. G. 
gigantea, Waii. Cat. Polypodium glaucum, Thimb. Fl. Jap. 338, 
which is the oldest specific name. 
Bhotan and Sikkim, alt. 4,500-7,500 feet. Very common about 
Darjeeling, Khasya, 3,500-5,000. Common in Nepal, Malay Peninsula. 
(Also in China, Japan, the Malay Islands, Sandwich Islands, 
Tropical AustraUa, Polynesia, West Indies, and Tropical America.) 
3. Gleichenia Norrisii. {Mett.) Branches of the frond one- 
jugate, oblong-lanceolate, 2-3 feet long, pinnae lanceolate, the lower 
distinctly stalked, spreading, 6-9 inches long, cut down to a narrow 
