PLATE 42 



Gobia simplex (Saunders) S. and G. 



Fig. 58. View of internal filaments extending longitudinally and a group of 

 surface filaments showing hairs, paraphyses, and zoosporangia, X 250. 



Mgira virescens (Carm.) S. and G. 



Fig. 59. Surface filaments bearing zoosporangia and hairs. X 250. 

 Fig. 60. Surface filaments bearing a hair and zoosporangia. X 125. 



Scytosiphon Lomentaria f. cylindricus maculatus S. and G. 



Fig. 61. Longitudinal section of a part of a frond showing the characters 

 of the interior and the surface cells. Not fruiting. X 250. 



Fig. 62. CToss-section of a portion of a frond showing the characters of the 

 cells, paraphyses, and gametangia in various stages of development. X 250. 



[756] : 



1 



i 



