Ferns of British India and Ceylon. 



191 



GENUS XLIIL— ANISOGONIUM. (Fresl.) 

 (From anisos, 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 1 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. Fil. 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 6-12 inches long, 2 inches 

 or more broad, entire, often suddenly 

 acuminate ; texture coriaceous ; 

 rachis naked ; veins 4-8 to a cluster, 

 uniting slightly towards the edge. 

 Mett. I. c. p. 74. tab. 1 1. / 5. Book. Syn. Fil. 243. Bedd. F. B. I. I. 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 

 ap-x; the lowest 2 inches or more apart, 3-4 inches long, 1 \\ 

 inches broad, the edge undulated, the point acute, the base cordate 



N°S2 

 ANISOGONIUM CORDIFOLIUM. {Melt. 



