Ferns of British India and Ceylon. 



109 



entire sessile, with the base adnate and decurrent, so as to 

 narrow wing to the rachis ; lowest pinnules of the inferior 

 sometimes again divided, terminal 

 pinnule always elongated ; veins 

 distant, once-forked, veinlets di- 

 varicating; sori continuous, in- 

 volucres sub-intramarginal, mem- 

 branaceous, not reaching to the 

 apex ; stipes slender, longer 

 than the fronds, stramineous- 

 brown and a little scaly at the 

 base. Hook. Sp. Fil.W. p. 170, 

 t. 123A. Bedd. F. B. I. t. 24. 

 Mishmee. 



form a 



pinnae 



8. Pteris semipinnata. (L.) 

 Stipes strong, erect, dark brown, 

 polished, hispid at the base, and 

 then furnished with linear scales ; 

 fronds 12-18 inches long, 6-9 

 inches broad, ovate-lanceolate, 

 the upper part cut down nearly to 

 the rachis into numerous close 

 entire linear lobes, the largest 

 of which are 1 |— 3 inches long, 

 £— I inch broad, the lower two- 

 thirds with 6-8 pairs of opposite 

 distantly placed pinnae, with long 

 linear entire points and a broad 

 entire wing on the upper side of the rachis, the lower side with several 

 linear pinnules 1-2 inches long, J inch broad; texture scarcely coria- 



;s; barren segment finely serrated ; rachis and surfaces naked; 

 veins simple or once-forked, ■} inch apart at the base; involucre 

 membranous. Hook Syn. I'll. p. 157. Linn. Sp. Fl. 1534. Bedd. 

 F. S. I. L 34- 



N? 5 7. 

 PTERIS GRIFFITHII. (Hook.) 



