122 
Ferns of British India and Ceylon. 
membranaceous, distant ovate, long stipitate, glaucous beneath, 
tripinnate ; pinnae all sessile, subadnate mostly opposite horizontal ; 
pinnules opposite sessile, larxeolate obtuse, more or less deeply lobed 
and pinnatifid; segments ovate or oblong (sterile ones subsinuate) or 
triangular, lowest one often remote and forming auricles on the 
rachis, superior ones confluent ; veins all anastomosing, areoles next 
the cosia and costules the largest and most elongated ; involucres 
continuous or interrupted, membranaceous entire at the edge. 
Thunb. Pr. Fl. Cap. 171. Book. Syn. Fil. p. 172. Litobrochia aurita. 
Hook. Sp. Fil. ii. 231. Bedd. F. S. I. t. 221. 
Ceylon, central and southern proxinces, above 3,000 feet. Tra- 
vancore Hills 3,000-4,000 feet. Sispara ghat on the Nilgiris, 4,500 
feet. Sikkim, Bhotan, and Khasya, 3,000-6,500 feet. 
(Also widely distributed in the tropics and sub-tropics of America, 
Africa, Asia, Australia, and Polynesia.) 
2. Litobrochia MARGiNATA. (Boj-y^ under Pter is }j Stipes elon- 
gated, stout, and with the rachis sub-castaneous ; fronds ample, 
tripartite, lateral branches pinnate, spreading, long petiolate, sub- 
membranaceous, glabrous ; pinnules 4-6 inches or more long, linear- 
oblong or linear-lanceolate sub-sessile, acuminate, rather deeply 
pinnatifid ; segments approximate, Hnear-oLlong falcate (upwards) 
obtuse or acute, enure or scarcely serrated and only at the apex, 
nearly half an inch long ; sinuses obtuse ; basal veins forming a single 
arc parallel with the costa ; veins forming a series of two or more 
areoles (parallel with the costule), from which proceed free veinlets 
which do not extend to the margin but terminate with a thickened 
apex just within it ; involucres continuous on the lower two-thirds 
of the margin of the pinnules not extending to the apex. Bory. Voy. 2. 
/. 192. Hook. Syn. Fil. p. 172. Pteris tripartita, Hook. Sp. Fil. ii. 
225. Litobrochia tripartita, Bedd. F. S. I. t. 220. 
Ceylon, common about Galle and the central provinces ; Madras 
Presidency, much cultivated, and said to be found wild in the Cochin 
forests ; Malacca. 
