137 



finely toothed. Veins anastomosing near the 

 costa, pinnate ;n the lobes, or all the veins of 

 the segment are free. Sori copious in single 

 rows on each side of midrib mixed with yellow 

 glandular hairs. 



Cultivated. 



Distribution : North and East Bengal, base 

 of the hills up to 2,000 feet elevation, Sikkim, 

 Assam, Cachar, Khasya, Chittagong, Burma, 

 Malay Peninsula. Malay Islands ; China ; 

 Polynesia ; North Australia. 



GENUS XXXII. LASTREA PRESL. 



(After Chev. de Lastre, a French nobleman.) 

 Sori somewhat round on the back or on the 



apex of veinlets. 



Indusium kidney-shaped attached by the 



sinus. Veins all free. Fronds pinnate or com- 



poundly 2-4 pinnate. 



I. Frond pinnate. Pinnae cut down more 



than half to the rachis, compound in some 



forms of felix-mas. 



(a) Veins all simple. 



i. L. calcarata. 



(b) Some veinlets at least forked, dispos- 

 ed in a fan-shciped manner, or pinnate. 



