42 



(a) Rhizome creeping, downy or covered 

 with fibrillose scales. Pinnules cut down into 

 roundly lobed finely crenate segments. Tex- 

 ture herbaceous. 



i. L. immersa. 



\b) Rhizome creeping ; covered with blunt 

 often peltate scales. Pinnules cut down to a 

 narrowly winged rachis into very narrow linear 

 sharply pointed segments. Texture almost 

 leathery. 



2. L. pulchra. 



i. Leucostegia immersa Presl. 



Rhizome creeping, downy or covered with fib- 

 rillose scales. Fronds three-pinnate, triangular, 

 1 2-1 8 inches long, 6-9 inches broad ; pinnules 

 cut down into broad segments, excised at the 

 base below and roundly lobed, with the lobes 

 crenulate above. Surfaces naked. Texture thin 

 Sori large, close to the margin. [Plate V-a.] 



Distribution : Bombay Presidency Maha- 

 bleshwar ; on trees and banks, Lonavla. 



Madras Presidency on the western moun- 

 tains ; Coorg ; Himalayas, from Mussorie to 

 Bhotan, 3,000-6,000 feet ; Sikkim ; Khasya ; 

 Malay Peninsula. Java. 



