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. 



JEgira 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. cylindrieus maculatiis 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. Cross-section of a portion of a frond showing the characters of the 

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



[756] 





