42 Ferns of British India and Ceylon. 



TRIBE IX.— ASPIDIEiE. 



i. Didymochl^ena lunulata. Jakorsung Peak, Jaintea 

 Hills, Assam, 4,000 feet alt. (G. Maun.) 



1. Mesochl.ena polycarpa. Omit this genus altogether, the 

 species being referred to Nephrodium further on. 



1. Polystichum semicordatum. Perak. (King, No. 8,282.) 



5A. Polystichum otophorum. (Franchet.) Rhizome stout 

 thick, densely clothed with ovate-lanceolate fuscous opaque 

 pointed scales ; stipes 3-4 inches long, stramineous ; frond pinnate 

 linear-lanceolate, coriaceous, pale green, scarcely attenuated below, 

 5-12 inches long, i-i-J inches broad ; pinnae numerous (about 40), 

 furnished with subulate scales on the lower surface, short petioled 

 lanceolate obtuse mucronate, obscurely toothed ; on the upper side 

 a free erect obliquely ovate basal lobe is present, and sometimes 

 1-2 smaller ones on the lower side ; veins pinnate, veinlets 

 forked ; sori very small in a continuous line near the margin (as 

 in Nephrolepis) ; indusium coriaceous peltate, margin entire, soon 

 deciduous. Franchet, PL David ii. 



Moupine, Thibet. Near some forms of P. Atkinsoni. 



5 a. Polystichum moupinense. (Franchet.) Rhizome ? stipe 

 2-3 inches long, furnished towards the base with broad ovate and 

 linear subulate scales ; frond 6-9 inches long, about 1 inch broad, 

 linear-lanceolate, attenuated below, pinnate firm, pale green, 

 rachis furnished with narrow lanceolate and subulate scales j seg- 

 ments 21-28 pair, shortly petioled, furnished with subulate scales 

 beneath, ovate-rhomboid, inciso-pinnatifid, more or less distinctly 

 auricled on the upper side, lobes ovate with mucronate teeth ; 

 veins pinnate, veinlets forked ; sori 2-4 to a lobe ; indusium firm. 

 Franchet, PI. David ii. 



Moupine, Thibet. I have not seen this. From the descrip 

 tion it must be near auriculatum, van marginatum, which) 



