Benthic Algae — DAWSON 
433 
Gigartina latissima ( Harvey ) Eaton 
Scagel, 1957 
Table I., British Columbia, to northern Wash. 
Gigartina leptorhynchos J. Agardh f. lepto- 
rhynchos 
Dawson, 1959c 1961 
Santa Cruz, Calif., to Isla Cedros, Baja Calif. 
Gigartina leptorhynchos f. latissima Dawson 
Dawson, 1949, 1961 
Point Arguello, Calif.; Isla San Martin, Baja 
Calif. 
Gigartina leptorhynchos f. cylindrica Dawson 
Dawson, 1949, 1954, 1961 
Southern Calif, and northern Baja Calif. 
Gigartina lessonii J. Agardh 
Farlow, 1902 
Galapagos Arch. 
Gigartina macdougalii Dawson 
Dawson, 1961 
Northern Gulf of Calif, south to Isla Tiburon 
Gigartina mamillosa (Goodenough & Wood- 
ward) J. Agardh 
Scagel, 1957 
Southern British Columbia to Seal Rocks, 
Oreg. 
Gigartina multidichotoma Dawson 
Dawson, 1961 
Santa Catalina I.; La Jolla, Calif.; Punta Des- 
canso, Baja Calif. 
Gigartina papillata (C. Agardh) J. Agardh f. 
papillata 
Scagel, 1957 (in part as G. cristata ) ; Daw- 
son, 1959c 1961; Hollenberg, 1948 
Northern Wash, to Punta Baja, Baja Calif. 
Gigartina papillata f. cristata Setchell 
Scagel, 1957; Dawson, 1959c (both as G. 
cristata) , Dawson, 1961 
Northern Wash, to Bahia Rosario, Baja Calif. 
Gigartina pectinata Dawson 
Dawson, 1961 
Northern Gulf of Calif. 
Gigartina sen at a Gardner 
Setchell & Gardner, 1933; Dawson, 1959c, 
1961 
Balboa, Calif., to Isla Magdalena, Baja Calif. 
Gigartina sitchensis Ruprecht 
Scagel, 1957 
Sitka, Alaska, to Whidbey I., Wash. 
Gigartina spinosa ( Kiitzing ) Harvey 
Coe, 1932; Smith, 1944; Dawson, 1959c 
1961 
Monterey, Calif., to Punta Baja, Baja Calif. 
Gigartina stellata ( Stackhouse ) Batters 
Scagel, 1957 
West Coast of Vancouver I., British Columbia 
Gigartina tepida Hollenberg 
Dawson, 1959, 1961 
Balboa Harbor, Calif.; Bahia San Quintin, 
Baja Calif.; northern Gulf of Calif, south 
to Topolobampo, Sinaloa 
Gigartina turneri Setchell & Gardner 
Setchell & Gardner, 1933; Dawson, 1945 h 
Southern Calif. 
Gigartina unalas chensis (Ruprecht) Ruprecht 
Scagel, 1957 
Bering Sea to northern Wash. 
Gigartina volans (C. Agardh) J. Agardh 
Doty, 1947; Dawson, 1959c, 1961; Dawson, 
Neushul & Wildman, I960 
Coos Bay, Oreg., to near Punta Maria, Baja 
Calif. 
Rhodoglossum affine (Harvey) Kylin 
Scagel, 1957; Dawson, 1959c 1961 
Southern British Columbia to Isla San Roque, 
Baja Calif. 
Rhodoglossom americanum Kylin 
Smith, 1944; Dawson, 1945 b, 1958, 1959c 
1961 
Bolinas, Calif., to near Punta Maria, Baja 
Calif. 
