116 



lobed one-third of the way down ; sori near 

 the midrib. 



Distribution : Bombay Presidency Maha- 

 bleshwar. Ceylon, Central Provinces, 5,000- 

 6,000 feet. 



GENUS XXIII. DIPLAZIUM SWARTZ 



(Deriv. Diplazo, I double in allusion to the 

 double indusia.) 



Veins free, some of the sori double, that is, 

 on each side of the vein, others single as in 

 Asplenium. 



(a) Caudex not arborescent. Frond simply 

 pinnate. 



I.* D. sylvaticum. 



(b) Caudex often arborescent. Frond bi- 

 pinnate. 



(i) Stipes and all the rachises prickly 

 and scaly. Veinlets 8-12 to a seg- 

 ment. Sori reaching the midrib 

 but not the margin. 



2. D. asperum. 



(li) Stipes simply scaly, rachises naked. 

 Veinlets fewer, about six in number . 



