PLATE 24. 



Whidbeyella cartilaginea Setehell and Gardner gen. et. sp. nov. 



40. Cross section through the frond of the type specimen, showing the 



the structure of a young cystocarp. (Zeiss 2 X D) 



Anatheca furcata Setehell and Gardner sp. nov. 



41. Cross section through a cystocarp, showing the placenta, the masses 



of spores, and the filaments connecting the placenta with the 

 tissues external to it. (Zeiss 2 X D) 



Both figures were drawn by H. N. Bagley, under the direction of W. A. 

 Setehell. 



14121 



