318 ALLAN HAXCOCK PACIFIC EXPEDITIONS VOL. 17 



PLATE 5 



F'liis. 37-'^'). Zanardinula acroidalea (Setch. & (Jarcl.) Dawson. All 

 drawn from O. 648-40, the tj'pe collection of Piionitis 

 kitidinsis Dawson. Fijj. 37. An auxiliary cell system. 

 Fig. 38. A young gonimoblast. Fig. 39. Transection of an 

 outer portion of an antheridial thallus. 



Fig. 40. '/.anardiniila lanceolata (Harve\) J. De Toni. Part of 



a transection of an antheridial plant from D. 5843, 

 Santa Cruz Island, Calif. 



Fig. 41. Callnphyllis pinnata Setch. & Swez\. Sectional outline 



of a cystocarp of D. 8911, Punta Baja, Baja Calif. X 19. 



Figs. 42-43. Callophyllis fiolacfa J. Agardh. Fig. 42. Sectional 

 outline of a cystocarp of D. 182, near Cabo Colnett, Baja 

 Calif. X 14. Fig. 43. Part of a transection of a tetra- 

 sporangial thallus of D. 8645, Socorro, Baja Calif. 



Fig. 44. Callophyllis •violacea var. epiphytica Dawson. Sec- 



tional outline of a cystocarp of Osorio-Tafall, 9/1/46, 

 Isia San Roque, Baja Calif. X 17.5. 



Fig. 45. Callophyllis wart/inifnuta Setch. & Swezy. Sectional 



outline of a cystocarp of D. 9705, Punta San Quintin, 

 Baja Calif. X 20. 



Fig. 46. Callophyllis ini'tjalocarpa Setch. & Swezy. Sectional out- 



line of a cystocarp of Cooper 858, Punta Descanso, 

 Baja Calif. X 10. 



