UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



BOTANY 



Vol. 7, No. 9, pp. 279-324, plates 21-31 July, 8, 1920 



\ 



PHYCOLOGICAL CONTRIBUTIONS 



I 



BY 



WILLIAM ALBERT SETCHELL 



AND 

 NATHANIEL LYON GARDNER 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



