Ferns of British India and Ceylon. 



403 



by being plicate on the upper surface, but this peculiarity occurs also 

 in the South Indian plant and is not a specific character ; reticulatum 

 can always be distinguished from " plantagineum " by its longer and 

 narrower fronds, and generally also by the presence of numerous 

 barren sporangiastra. 



South India, rare, on the Tinnevelly and Travancore Moun- 

 tains, 3,000 feet elevation ; Ceylon, southern and central provinces, 

 up to 4,000 feet ; Himalayas and Khasya, up to 5,000 feet ; Malay 

 Peninsula. 



(Also in Polynesia and Queensland.) 



Var. /3 PARVULUM. 

 (BI.) Fronds very small, 1-4 

 inches long, by |—J inch 

 broad. Antr. parvulum (Bl), 

 Fil. Jav. 78, /. 34. Hook. Sp. 

 Fil. v. 170. Bedd. F. B. I. 

 t. 267. 



Sikkim, Yoksun, 4,500 

 feet, Khasya; Penang. 



(Also injava.) 



2. Antrophyum plan- 

 tagineum. (Kaulf.) Stipe 

 distinct, 1-4 inches long ; 

 fronds oblong, broadest to- 

 wards the apex, then suddenly 

 narrowed into an acute point, 

 4-10 inches long, and up to 

 2 inches broad, no midrib or 

 an inconspicuous one towards the base ; sori deeply immersed, some- 

 times distinctly raised on the upper surface making the frond plicate 

 above. Kau/f, Bory. in Voy. de la Coq. Bot. Cryp. t. 28. Bedd. F. 

 .'>'. I. t. 52 (reticulatum). 



South India, on the Western mountains, 2,000-5,500 feet 



ANTROniYUM I.ATI FOLIUM. 



(Bl.) 



