198 



jTirst annual Report 



CODIACEAE 



Codium mucronatum var. californicum J. Ag. 



(Figure 107, A, C, D, E) 



Frequent on rocks of middle and lower tidal zone. Utricle .8 by 

 .2 mm. 



Codium adhaerans (Cabr.) Ag. 



(Figure 107 B) 



My specimens taken from a holdfast of Nereocystis coming from 

 about six fathoms. Utricle .6 bv .1 mm. 



Figure 108. Ectocarpus hemisphaericus Saunders 



PH^EOPHYCE.E 



ECTOCARPACEAE 



Ectocarpus hemisphaericus Saunders 



(Figure 108) 

 Abundant epiphyte on Pelvetla fastigiata. Sporangia .08 by .04 



mm. 



Ectocarpus tomentosus (Huds.) Lyngb. 

 Epiphytic on Hesperophycus harveyanus. 



Ectocarpus tomentosoides Farlow 

 Frequent as an epiphyte on Hesperophycus Imrveyanus. 



Ectocarpus mitchellae Harv. 

 A frequent epiphyte on Phyllospadix tm-reyi. 



