137 
finely toothed. Veins anastomosing near the 
costa, pinnate in 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. Pinna cut down more 
than half to the rachis, compound in some 
forms of felix-mas. 
(a) Veins all simple. 
1. L. calcarata. 
(6) Some veinlets at least forked, dispos- 
ed in a fan-shaped manner, or pinnate. 
