374 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 3 



PLATE 38 

 Variation in leaves, vesicles, and "inflorescences," x 2.12. 

 Fig. 1. Sargassiim horridum, Marchant 22. 



Figs. 2-4. Sargassum horridum, Marchant 17. 

 Figs. 5-6. Sargassum sinicola, Marchant 27 

 Figs. 7-9. Sargassum sinicola, Brandegee 27. 

 Figs. 10-11. Sargassum sinicola, Drouet & Richards 3141. 



