XIIi 



THE SIMPLE SORUS 



Fig. 202. Pinnae of five genera of the Marattiaceae, all of them lateral. A=Angiopteris craasipes, 

 Wall.: B = Archangiopterls Henryi, Christ and Giesen. : C— Marattiafraxinea, Sm.: D=Chris- 

 tensenia aesculifolia, Bl. : E = Danaea elliptica, Sm. A, C, D, E, after Bitter : B, after Christ and 

 Giesenhagen. (From Engler and Prantl, Nat. Pflanzenjam.) 



14 — 2 



