214 



PAGE 



pair. Fronds pinnate, pmnse as a rule 

 pinnatifid. Genus XXXIII Nephrodium Schott. 147 



Son round, indusium kidney-shaped or 

 roundish ; veins forked, fre'e, with club- 

 shaped apices. Fronds simply pinnate, 

 pinnae articulated and furnished with 

 white dots above. 



Genus XXXIV. Nephrokpis 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. 162 



(B) Exinvolucratce. 

 Sori without an indusium. 



TRIBE X. POLYPODIES 



Sori on the back of the lobes, round or 

 rarely somewhat oblong. 



Dcsmobryoid Series. Habit and mode 

 of growth of Aspidie?e, 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. Phegoptcris Fee 163 



