2^6 



METAXYOID FERNS 



[CH. 



ence consists in the elongated sori of Syngramme being restricted to the 

 veins. If in Ferns of the type of Syngramme the sporangia were spread 

 over the whole surface, then such types would rank as Elaphoglossum. 



Fig- 736. Venation of the leaf-margin in Elapho- 

 glosstim latifoliiim (Sw.) J. Sm. ( x 4.) 



Fig. 737. Elaphogloss2tin coiifor))ie (Sw.) 

 Schott. ^ = habit. ^ = part of a leaf with 

 venation. (After Diels, from N'atiirl. Pflan- 

 zenfam.) 



