io4 Ferns of British India and Ceylon. 



texture coriaceous ; rachis densely scaly and tomentose, with surfaces 

 nearly naked; veins not visible ; sori in broad marginal lines, soon 

 hiding the narrow involucre. Hook. Syn. Fil. p. 151. Bedd. F. S. 

 I. t. 22 (under Platyloma). 



Nilgiris, Anamallays, and elsewhere on the Western mountains 

 of the Madras Presidency, 2,000-4,000 feet elevation, Malay Penin- 

 sula ; Ceylon, Telgamma. 



(Also in Australia and New Zealand.) 



7. Pell/EA calomelanos. (Link.) Glabrous, caudex short, 

 thick, very scaly ; fronds casspitose, subcoriaceous, oblong-triangular, 

 bipinnate, pinnules all petiolulate, cordate- 

 (rarely subhastate-) triangular, very obtuse, 

 entire, sometimes subtrilobate or sinuate 

 at the margin ; the sinus deep and narrow; 

 veins dichotomously radiated ; sori con- 

 tinuous ; involucres membranaceous; stipes 

 short, scaly at the base, and as well as the 

 slender rachises and petioles black-ebe- 

 neous, very glossy. Hook. Sp. Fil. ii. p. 

 n°54. 140. Link. Fil. Hort. Berol. p. 61. Hook. 



pell^a falcata. {Fee.) Syn. Fil. p. 1 5 2. Pteris calomelanos, 

 Base of frond. g eM R B j f 22> 



N. W. Himalayas, below Almora, 4,000 feet, Tikri in Sirmow, 

 5,000-6,000 feet. 



(Also in Africa, from Abyssinia to Cape of Good Hope.) 



GENUS XXVIIL— PTERIS. {Linn.) 



(From pteryx, a wing; the supposed likeness to wings in the branches 

 of the common Pteris aquilina or Bracken.) 

 Sori marginal, linear, continuous, occupying a slender filiform 

 receptacle in the axis of the indusium ; indusium the same shape as 

 the sorus, usually membranous, at first quite covering it, at length 

 more or less spreading. 



