214 
pair. Fronds pinnate, pinne as a rule 
pinnatifid. Genus XXXIII —Nephrodium Schott. 
Sori round, indusium kidney-shaped or 
PAGE 
147 
roundish ; veins forked, free, with club- ~ 
shaped apices. Fronds simply pinnate, 
pinnz articulated and furnished with 
white dots above. 
Genus XXXIV.—Nephrolepis Schott 156 
Sori round, in a single row on each side 
of the midrib. Indusium kidney-shaped. 
Fronds entire. Stipes pointed. Rhizome 
wide-creeping. Genus XXXV.—Oleandra Cav. 
(B) Extnvolucrate. 
Sori without an indusium. 
Tripe X.—PouypoDir& 
Sori on the back of the lobes, round or 
rarely somewhat oblong. 
Desmobryoid Series-—Habit and mode 
162 
of growth of Aspidiez, the stipes conti-. . 
nuous with the caudex; sori generally 
medial on the veins. 
Veins forked or pinnate, veinlets free. : 
Habit of Lastrea, but indusium wanting. 
Genus XXXVI.—Phegopteris Fee 
163 
