Figs. 42-47: — Campanularia urceolata. 



Fig. 42. — Hydrothecae from same colony. a. Typical C. urceolata Clark 

 (x 45) ; /). Typical C. reduplicata Nutting (x 45) ; c. Portion of 

 colony showing position of a and b on stolon. From Yakutat, 

 Alaska. 



Fig. 4:;. — a, b, c. Hydrothecae showing variations in form. From Pacific 

 Grove. Cal. x 45. 



Fig. 44. — a, b, c, <l. Hydrothecae (x 45). e. Gonotheca (x 30). From San 

 Francisco, Cal. 



Fig. 45. — Gonothecae (x 27). From Yakutat, Alaska. 



Fig. 46. — Gonotheca (x 45). From Pacific Grove, Cal. 



Fig. 47. — Hydrotheea and pedicel terminating a free stolon, x 45. 



Fig. 48. — Campanularia volubilis.— a, ft, c. Types of hydrothecae, same 

 colony, x 45. 



