458 Ferns of British India and Ceylon. 



the pinnae are much smaller, with the pinnules smaller and finely 

 cut, the fertile ones often so contracted that there is little or no 

 lamina present. Sza. Syn. Fil. 154. Bedd. F. S. I. t. 64. Wall. 

 Cat. 2201. 



North India, abundant, extending west to Kashmir, up to 5,000 

 feet elevation; South India, Western mountains, rare. It is prob- 

 ably only a form of flexuosum. 



(Also in Japan, China, Australia, Malay Islands and Philippines.) 



5. Lygodium polystachyum. (Wall.) Stem creeping, slightly 

 pilose ; fronds conjugate pinnate, membranaceous, pinnae petiolate, 

 furnished with a tufted gland at the apex of the petiole, deltoid-ovate 

 to lanceolate, glanduW-pilose on the rachis of the pinnae costa and 

 veins, pinnatifid more than half-down to the costa, segments with a 

 rounded apex, entire or slightly crenate ; costa of the pinnae and 

 central vein (or costule) of segments flexuose, veinlets simple or 

 forked ; fertile segments contracted. Hook. Syn. Fil. 438. Bedd. 

 F. B. I. t. 300. 



Malay Peninsula, Tenasserim. 



SUB-ORDER V.~- MARATTIACEiE. 



Capsule opening by a slit down one side or a pore at the apex, 

 without a wing, usually joined together in concrete masses (synangia) ; 

 vernation circinate. 



GENUS XCIII.— ANGIOPTERIS. (Hoffm) 



(Angio, open ; pteris, fern — the open sporangia.) 



Capsules opening by a slit down the side, sessile, very close 

 to one another, but not concrete, arranged in a linear-oblong or boat- 

 shaped band of sporangia near the edge of the frond ; veins simple or 

 forked, free ; fronds very large, bipinnate, springing from between 

 two fleshy stipulaeform appendages ; the base of the stipes clavate, 

 pseudo-articulate with the axis ; pinnae and pinnules articulate with 

 the rachis. 



