58 



(I) Fronds longer than broad. 



(i) Sori roundish or transversely 

 oblong. 



1. Pinnules distinctly wedge-shaped 



at the base. Sori in shallow 

 depressions of the lobes. 



(1) Pinnules deciduous. 



7. A. tenerum. 



(2) Pinnules not deciduous. 



8. A. capillus venefis. 



2. Pinnules roundish, being straight, 



almost wedge-shaped or round- 

 ed at the base. Sori in deep 

 hollows of the lobes. 



9. A. aethiopicum. 



(it) Sori obversely kidney-shaped in 



deep round hollows of the lobes. 



i. Pinnules distinctly crenate at 



the base. 



(i) Frond 3-4 pinnate. Pinnules 

 J-f inch broad. 



10. A. cuneatuw 



