PLATE XXV. 

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



FIG. i. Nereocystis priapus (Gmel.) Saunders ; much reduced. 



2- n " " section of blade showing fruit. 



, i *< " longitudinal section showing mucous canals 



(X40)- 



4. Nereocystispriapus (Gmel.) Saunders (X4)- 

 - i' " " cross section of stipe showing mucous 



canals and secreting cells. 

 [478] 



