Benthic Algae — Dawson 
411 
order CRYPTONEMIALES 
fam. DUMONTIACEAE 
Dudresnaya colombiana Taylor 
Taylor, 1945 
Isla Gorgona, Colombia 
Cryptosiphonia woodii (J. Agardh) J. Agardh 
Scagel, 1957; Dawson, 1959c 
Unalaska, Alaska, to Venice, Calif. 
Thuretellopsis peggiana Kylin 
Scagel, 1957 
Friday Harbor, Wash. 
Dumontia pliformis (Lyngbye) J. Agardh 
Setchell & Gardner, 1903 
Alaska 
Baylesia plumosa Setchell 
Smith, 1944 
Santa Cruz; Monterey, Calif. 
Pikea calif ornica Harvey 
Dawson, 1954, Scagel, 1957 
Southern British Columbia to Punta Baja, 
Baja Calif. 
Pikea pinnata Setchell 
Scagel, 1957 
Northern Wash, to Coronado, Calif. 
Farlowia compressa J. Agardh 
Scagel, 1957 
Northern Wash, to Carmel, Calif. 
Parlowia mollis (Harvey & Bailey) Farlow & 
Setchell 
Scagel, 1957; Doty, 1947 (as including F. 
crassa)\ Dawson, 1959c (as F. crass a) 
Dixon Harbor, Alaska, to San Diego, Calif. 
Dilsea calif ornica (J. Agardh) Schmitz 
Scagel, 1957 
Unga I., Alaska, to San Francisco, Calif. 
Dilsea integr a (Kjellman) Rosenvinge 
Setchell & Gardner, 1903 (as Sarcophyllis 
arctica ) 
Alaska 
Leptocladia binghamiae J. Agardh 
Setchell, 1912; Kylin, 1941; Dawson, 1954; 
Dawson, Neushul & Wildman, I960; Tay- 
lor, 1945 
Santa Cruz, Calif., to Isla Magdalena, Baja 
Calif.; Galapagos Arch. 
Leptocladia conferta Setchell 
Smith, 1944; Doty, 1947 (as Pikea nootkana) 
Crescent City to Carmel Bay, Calif. 
Weeksia fryeana Setchell 
Scagel, 1957 
Northern Wash. 
Weeksia howellii Setchell & Gardner 
Dawson, 1954 
Isla Natividad, Baja Calif. 
Weeksia reticulata Setchell 
Smith, 1944; Dawson, 1945c (but the de- 
termination erroneous) 
Monterey Peninsula, Calif. 
Weeksia templetonii Setchell & Gardner 
Dawson, 1954 
Santa Cruz I., Calif.; Isla Cedros, Baja Calif. 
Constantinea rosa-marina (Gmelin) Postels & 
Ruprecht 
Setchell & Gardner, 1903; Setchell, 1906 
Western Aleutian Islands to Sitka, Alaska 
Constantinea simplex Setchell 
Scagel, 1957 
Northern British Columbia to Carmel, Calif. 
Constantinea subulifera Setchell 
Scagel, 1957 
Northern British Columbia to northern Wash. 
fam. RHIZOPHYLLIDACEAE 
Ochtodes crockeri Setchell & Gardner 
Taylor, 1945; Dawson, 1957 
Galapagos Arch. 
