324 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 4 



PLATE 37 



Fig. 41. Cladocarpus pinguis, new species 



b. Portion of hydrocladium with hydrothecae. 



c. Two hydrothecae (x40). 



d. Phylactogonium and gonangia. 



Fig. 42. Plumularia adjecta, new species 



a. Natural size. 



b. Portion of stem with unbranched hydrocladia. 



c. Portion of branch with short hydrocladia. 



d. Gonangia. 



