PLATE LI. 



Sphenophyllum majus Bronn? 



(Page 180.) 

 Fig. a. Enlarged photograph of Fig. 6A, PI. L. x2. 



Sphenophyllum Lescueianum D. W, 



(Page 182.) 



Fig. (i. Photographic enlargement of Ko. 8711, Lacoe collection, U. S. Nat. Mus., shown natural size in 

 Fig. 6, PI. L. The enlargement shows well the form and dentition of the leaves. x2. 



