370 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 3 



PLATE 36 

 Variation in leaves, vesicles, and "inflorescences," x 3.75. 

 Figs. 1-5. Sargassum MacDougalii, Drouet & Richards 3311. 

 Figs. 6-7. Sargassum MacDougalii, Drouet & Richards 3287. 

 Figs. 8-12. Sargassum asymmetricum, Dawson 221 (immature). 

 Figs. 13-18. Sargassum asymmetricum, Dawson 156. 



