380 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 3 



PLATE 41 



Fig. 1. Rhodocliorton sinicola, habit, showing enlarged basal cell 

 and method of attachment to host, x 175. 



Fig. 2. Rhodocliorton sinicola, portion of a branch bearing a mono- 

 sporangium, X 400. 



Fig. 3. Rhodocliorton microscopicum, habit on Polysiphonia. 



Fig. 4. Rhodochorton Hancockii, habit, x 90. 



Fig. 5. Rhodochorton Hancockii, portion of a filament bearing mono- 

 sporangia, X 500. 



Fig. 6. Rhodochorton Hancockii, basal part of a filament showing 

 simple attachment to host cells, x 500. 



