102 Ferns of British India and Ceylon. 



the longest ; involucres subintramarginal, continuous or here and 

 there interrupted, broad, flat, membranaceous, brown, close-pressed, 

 frequently lobed and crenated and transversely wrinkled. Wall. 

 Cat. p. 89. Cheilanthes nitidula, Hook. Sp. Fil. ii.p. 112 ; Syn. Fil. 

 p. 149. Bedd. F. B. I. t. 222. (The involucres are sometimes con- 

 tinuous as in Pteris, sometimes interrupted and quite like Cheil- 

 anthes.) 



Kashmir, 3,000-6,000 feet, frequent and plentiful to Chumba, 

 scarce eastwards to Kumaon. 



5. Pell/Ea boivini. {Hook.) Stipes 4-8 inches long, erect, 

 naked, black, polished, very brittle; fronds 6-9 inches long, 4-6 

 inches broad, deltoid to lanceolate, pinnate to tripinnate; pinnae 

 erect-patent or spreading gradually smaller upwards ; ultimate pin- 

 nules broadly ovate in the more simple forms and linear-lanceolate 

 in the more compound, cordate or rounded at the base, very coria- 

 ceouSj pale and dull beneath; both surfaces naked; veins sunk in the 

 frond ; sori in a continuous line round the segments ; involucre 

 membranous, \ a line broad. Hook. Syn. Fil. p. 149. Bedd. F. S. 

 I. t. 36 (under Pteris). 



Nilgiris, Sispara and on the ghat, 4,000-5,600 feet ; Anamallays, 

 4,000 feet, dry rocky places ; Travancore and Tinnevelly Mountains ; 

 Ceylon. The Nilgiri and Anamallay plant is the more simple 

 form (pinnate or bipinnate), as represented in the figure ; the 

 Travancore plant is much larger and more compound, being tri- 

 pinnate. 



(Also in Madagascar and the Mauritius.) 

 § § § Veins usually hidden ; indusium so narrow as to be soon hidden by 



the sori. 



6. Pella:a falcata. {Fee.) Rhizome wide creeping ; stipes 

 3-6 inches long, strong, erect, more or less pubescent and scaly ; 

 fronds 6-18 inches long, 1-2 inches broad, linear-oblong, simply 

 pinnate; pinnae 10-20 on each side, nearly sessile, \— 1 inch long, 

 •|-i inch broad, lanceolate or lanceolate-oblong, usually mucronate, 

 often slightly falcate, cuneate, or dilated and cordate at the base: 



