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. Sio. 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. (JVa/L) 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, glandular-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. Nook. Syn. 777.438. Bedd. 
F. B. L 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 XCIIL— ANGIOPTERIS. {Hoffm) 
{A?tgio^ 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-articulale with the axis ; pinnae and pinnules articulate with 
the rachis. 
