Laguna @Barine Laboratorp 199 
Ectocarpus globiger Kuetz 
Colonies found growing on shells of Pomaulax. Dr. Setchell says 
of this determination: ‘‘I do not think that this species has been 
recognized on our coast before * * * but I feel fairly certain of 
the identification. ’’ 
SPHACELARIACEAE 
Sphacelaria plumula var. californica Saund. 
A common epiphyte on Nereocystis. 
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Figure 109. Eisenia arborea Habit sketch. 
ENCOELIACEAE 
Colpomenia sinuosa (Roth.) Derbes and Solier 
Epiphytie on Sargassum agardhianum. 
Scytosiphon lomentarius (Lyngb.) J. Ag. 
Frequent on rocks throughout the upper tidal zone. 
Endarachne binghamiae ]. Ag. 
On rocks, more common through the middle tidal zone. 
