PROCEEDINGS 



CALIFORNIA ACADEMY OF SCIP:NCES 



Third Series 



Botany 



Vol. II, No. 6 



An Account of the Species of Porphyra 



Found on the Pacific Coast of 



North America 



BY 



Henri T. A. Hus 



With Three Plates 



Issued January /, jgo2 



SAN FRANCISCO 



PuiiLISiHEU BV THE ACADEMV 

 1902 



