PLATE XIX. 



[Proc. Wash. Acad. Sci., Vol. Ill, PI. LIL] 



FIG. I. Pleurophycus gardneri gen. et sp. nov. Setchell and Saunders ; % nat- 

 ural size. 



2. " " young plant. 



3. " " cross section of blade (X 400). 



4. " " longitudinal section of blade, showing fruit. 



5. " " a, section of stipe near the transition point, 

 natural size ; b, section of stipe near base, natural size ; c, porton of 

 same (X 80) 



[466] (230) 



