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Habit and venation of Nephrodium, i.e. 

 fronds pinnate, veins pinnate, one or more 

 of the lower veinlets anastomosing at an 

 angle with corresponding ones of the next 

 group producing from their junction an 

 ex-current vein let. Indusium wanting. 



Genus XXXVI I. Goniopttris Presl. i64 



Eremnbryoid Series. Stipes articulated 

 with the rhizome. Sori generally, not 

 always, terminal on the veins. 



Sori round or oval, superficial or buried 

 in the hairs. Fronds as a rule simple, 

 covered beneath with a dense coating of 

 stellate hairs. Veins copiously anastomos- 

 ing, obscure, undefined cr evident with the 

 main veins prominent. Fertile fronds 

 more or less contracted and longer than 

 the sterile. 



Genus XXXVIII Niphobolus Kauif. 165 



Rhizome short, thick and fleshy. Fronds 

 rigid, the sterile when present like an oak- 

 leaf ; fertile frord pinnatifid or pinnate, 

 rarely simple. Veins copiously anastomos- 

 ing forming square or hexagonal areoles. 

 Sori small, round or oval, numerous. 



Genus XXXIX. Drynaria Bory 167 



