Ferns of British India and Ceylon. 
191 
GENUS XLIIL— ANISOGONIUM. {^FresL) 
(From a?iisos, unequal ; gonia, an angle ; the angles of the venation.) 
As in Diplazium, but the veins anastomosing. 
1. Anisogonium cordifolium. {Mett.) Stipes 6-12 inches 
long, firm, erect, scaly below; fronds 8-12 inches long, 3-4 inches 
broad, entire, caudate at the base, the point acuminate or subdeltoid, 
with a large terminal and i or 2 pairs of smaller but similar spreading 
lateral pinnae ; texture coriaceous ; veins in close groups of about 
4, anastomosing copiously in the outer half of the frond ; sori reach- 
ing from the midrib to the edge. 
Mett. Fit. Hort. Lips. p. 74, t. 12./ 6. 
Hook. Syn. Fil. 243. Bedd. F. B. I. 
t. 331 (the simple form.) 
Malacca and Malay Peninsula. 
(Also in Philippines and Malay 
Islands.) 
2. Anisogonium lineolatum. 
{Mett) Stipe 6-9 inches long, firm, 
erect, grey, scaly below ; fronds occa- 
sionally simple, usually with a terminal 
pinna and 3-6 pairs of lateral ones, 
which are 6-1 2 inches long, 2 inches 
or more broad, entire, often suddenly 
acuminate 
texture coriaceous 
ANISOGONIUM CORDIFOLIUM. 
{Mdt.) 
rachis naked ; veins 4-8 to a cluster, 
uniting slightly towards the edge. 
Mett, I. c. p. 74. tab. 1 1. /. 5. Jlook. Sy?i. Fil. 243. Bedd. F. B. I. t. 330. 
Malacca and Malay Peninsula. 
(Also in Philippines and Malay Islands.) 
3. Anisogonium heterophlebium. {Mett. MSS) Stipes i 
foot long, grey, scaly throughout; fronds 12-18 inches long, 8-9 
inches broad, with 6-8 opposite pairs of pinnae below the pinnatifid 
apex; the lowest 2 inches or more apart, 3-4 inches long, i-i^ 
inches broad, the edge undulated, the point acute, the base cordate 
