PLATE XX. 



Portions of a small frond of Pteris paleacea, natural size. 



Figure 1. — The frond. 

 „ 2. — The stipes. 

 „ 3. — Three pinnules. 



,, 4. — A sporangium, enlarged. 



The drawing of the stipes is from a specimen in Kew Herbarium collected by Dr 

 Burchell; and the other parts from a specimen collected by Dr Seemann. 



