Ferns of British India and Ceylon. 471 
inches long, the sterile portion with a stalk, 1-6 inches long, i.e. pro- 
longed beyond tjie fertile spike, 6-12 inches each way; deltoid, tripin- 
natifid or tripinnate ; the lower pinnae much the largest ; segments 
lanceolate-oblong, \-% inch broad, finely toothed ; fertile segments 
about equalling the sterile segment when mature; panicle 2-4 
inches long tripinnate, not very close. Wall. Hook, and Grev. Ic, 
FiL f. 161. B. subcarnosum, JVall. Cat. 49. Bedd. F. S. I. t. 69. 
Throughout the Indian region, up to 8,000 feet elevation. 
(Also in Java and Polynesia.) 
3. BOTRYCHIUM VIRGINI- 
ANUM. (Z. under Osmunda) 
Stipes 3-18 inches long, sterile 
portion not prolonged beyond 
the fertile spike 4-12 inches 
each way ; deltoid, quadripin- 
natifid, lower pinnae much the 
largest, pinnules ovate-oblong, 
close cut down to a broadly 
winged rachis into finely cut 
linear-oblong segments, both 
sides naked or slightly hairy ; 
fertile branch of the rachis 
springing from the base of the 
sterile portion {i.e. sterile por- 
tion, sessile), or from the 
middle of it. Linn. Sp. PI. 
1519. Sw. Syn. Fil. 171. 
N°235: 
BOTRYCHIUM VIRGINIANUM. {SzO.) 
VAR. LANUGINOSUM, 
Var. /3 LANUGINOSUM. {Sp. Wall. Cat. 48.) Fertile branch 
arising from the middle of the sterile portion. Bedd. F. S. I. t. 67. 
Moore., Ind. Fil. 213. Hook. Card. Ferns, t. 29. In the typical 
American plant, the fertile branch arises from the base of the sterile 
portion, and the latter is quite glabrous ; in the Indian plant the 
fertile branch always springs from well above the base, and the sterile 
