108 Ferns of British India and Ceylon. 



SUB-ORDER IV.— SCHIZ^ACE>E. 



3. Lygodium flexuosum. 



Var. alta. Clarke, Linn. Jour. Bot. xxv. 101, tab. xxiv. 

 Scandent, branches pendant, 30 feet long, fronds 1 -pinnate, pinnae 

 both sterile and fertile 8 inches long, f inch broad, truncate, 

 caudate or auriculate at the base, petioles J— \ inch long. 



West Munipore, 750 feet alt. [Clarke) I do not consider 

 that this differs from the type. King's collectors send the same 

 form from Perak (No. 2,975) the pinnules are subject to great 

 variation. 



5. Lygodium polystachyum. 

 (Also in Anam.) 



SUB-ORDER V.— MARATTIACE^E. 



1. Kaulfussia /ESCulifolia. Perak. (Scortechini, King.) 



SUB-ORDER VI.— OPHIOGLOSSACE^E. 



1 a. Ophioglossum gramineum. (Willd.) Rootstock tuberous ; 

 fronds 1-3 inches long, the sterile division at, below, or slightly 

 above the centre, |-i inch long, narrow-linear acuminate, the 

 base scarcely narrowed ; no midrib, veins prominent and 

 thickened, all springing from the base of the lamina reticulated 

 upwards, few or no free vein lets. Willd. in Act, Erf, 1802,/. 18, 

 tab. 1. Ophioglossum lusitanicum, Syn. Fil. 445, in part (the 

 Indian plant). 



