198 first 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 by .1 mm. 
Figure 108. Ectocarpus hemisphaericus Saunders 
PHHOPHYCEA 
ECTOCARPACEAE 
Ectocarpus hemisphaericus Saunders 
(Figure 108) 
Abundant epiphyte on Pelvetia fastigiata. Sporangia .08 by .04 
mm. 
Ectocarpus tomentosus (Huds.) Lyngb. 
Epiphytie on Hesperophycus harveyanus. 
Ectocarpus tomentosoides Farlow 
Frequent as an epiphyte on Hesperophycus harveyanus. 
Ectocarpus mitchellae Harv. 
A frequent epiphyte on Phyllospadix torreyi. 
