214 



JFir0t annual deport 



Pterosiphonia bipinnata ( P. and R. ) Falk. 

 Epiphytic on Nereocystix. 



Pterosiphonia baileyi (Harv.) Falk. 

 Occasional on rocks of low tidal zone. 



Strebdocladia camptoclada (Mont.) Falk 

 (Figures 120 and 121) 



Abundant as an epiphyte on other algae of the whole tidal zone. 

 Cystocarps .3 mm. in diameter. 



Figure 128. Callithamnion rupicolum f. pygmaeum Collins. 



Strebdocladia sp. 



(Figure 122) 



Abundant on rocks and shells of the lower tidal zone. Of this 

 plant, Dr. Setehell says: "Possibly a Strebdorltuliit ; perhaps, how- 

 ever, a Polysiphonia. I have had it before, but as yet have not sat- 

 isfactorily placed it." 



