3oo 



Ferns of British India and Ceylon. 



4. Dictyopteris difformis. {Bl. under Polypodium.) Caudex 

 stout ascending, stipes tufted, 4 inches to i| foot in length, black 

 setaceous-paleaceous at the base ; fronds subcoriaceous, minutely pel- 

 lucid-punctulate glabrous, often subglaucous beneath, pinnate with 

 very numerous pinna?, from 6 inches to a foot long, 1-3 inches wide, 

 more or less petiolate, broad-oblong, acuminated, the lowest pair 

 half-ovate, unequally bipartite, lowest segments deflexed and some- 

 times free, and 5-6 inches long, all of them more or less deeply lobed, 

 often to within one-third of the costa, the lobes oblong, acute, or 



acuminate entire or sinuate- 



N°I55. 



DICTYOPTERIS CHATTAGRAMICA. {Clarke.) 



lobate, terminal pinna petiolate 

 pinnatifid, costule one to each 

 lobe, the veins anastomose 

 copiously, forming elongated 

 areoles, which are longest near 

 the costse and costules, areoles 

 frequently including a free 

 veinlet ; sori dorsal or com- 

 pital, or rarely terminal on the 

 free veins, copious but rarely 

 approaching the costa. Poly- 

 podium difforme, Bl. Fil. 

 Jav. 135. Hook. Syn. Fil. 

 318. Dictyopteris irregularis 

 (Fresl.), Hook. Sp. Fil. v. 

 1 01. Bl. Fil. Jav. 164, /. 

 72. Bedd. F. B. T. t. 77. 



Polypodium confluens, Wall. Cat. 325. 



The Malay Peninsula, Tenasserim, Malacca. 

 (Also in the Malay Islands.) 



5. Dictyopteris polycarpa. {Mett. under F/iegopteris.) Stipe 

 6 inches long, reddish yellow, slightly pilose upwards ; frond deltoid 

 bipinnatifid, 6-15 inches long, pinna? 6 pairs, lowest largest deltoid 

 unequal sided, stalked tripartite, central ligulate acuminate crenate, 



