376 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 3 



PLATE 39 



Sargassum sinicola, variation in leaves, vesicles, and "inflorescences," 



X 2.12. 



Figs. 1-2. Marchant 11, oogonial. 



Fig. 3. Marchant 20, oogonial tips. 



Figs. 4-5. Dawson 357, oogonial. 



Figs. 6-7. Dawson 357x, intersex. 



Figs. 8-11. Variations in receptacles of several plants. 



