364 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 12 



PLATE 24 



Fig. 1. Saryassum Sflifoliunt. Upper portion of a large fertile 

 specimen showing linear simple or sparingly forked 

 leaves, loose branching, small sparingly forked recep- 

 tacles and oval vesicles with evident apiculate, even 

 subfoliar, tips. I. Isabela. x 0.9. 



