Benthic Algae — D awson 
409 
Gelidium microdentatum Dawson 
Dawson, 1960^ 
San Bias, Nayarit 
Gelidium microphysa Setchell & Gardner 
Dawson, 1954 
Isla Guadalupe; Isla Cedros, Baja Calif.; 
northern Gulf of Calif. 
Gelidium nudifrons Gardner 
Dawson, 1954; Dawson, Neushul & Wild- 
man, I960, I960 a 
Southern Calif, to Bahia Tortuga, Baja Calif. 
Gelidium papenfussii Loomis 
Dawson, 1954 
San Francisco; Santa Monica, Calif.; Punta 
Baja; Punta Santa Rosalia, Baja Calif. 
Gelidium polystichum Gardner 
Dawson, 1949, 1954 
San Pedro; Santa Catalina I., Calif.; Isla Gua- 
dalupe, Baja Calif. 
Gelidium pulchrum Gardner 
Kylin, 1941; Sanborn & Doty, 1946; Doty, 
1947; Dawson, 1954, 1959c 
Coos Bay, Oreg., to Bahia Rosario, Baja Calif. 
Gelidium purpurascens Gardner 
Smith, 1944; Dawson, 1954, 1959c; Dawson, 
Neushul & Wildman, I960 
Bolinas, Calif., to Cabo Colnett, Baja Calif. 
Gelidium pusillum (Stackhouse) Le Jolis var. 
pusillum 
Smith, 1944; Doty, 1947; Dawson, 1954, 
1954c, 1957 b, 1959 
Oreg. to Panama 
Gelidium pusillum var. cylindricum Taylor 
Taylor, 1945; Dawson, 1953 
Pacific Mexico; Esmeraldas, Ecuador 
Gelidium pusillum var. pacifcum Taylor 
Taylor, 1945 
Galapagos Arch. 
Gelidium pusillum var. minus culum Weber van 
Bosse 
Dawson, 1953 
Pacific Mexico 
Gelidium pusillum var. mucronatum Dangeard 
Dawson, 1953 
Pacific Mexico 
Gelidium pusillum var. conchicola Piccone & 
Grunow 
Dawson, 1953 
Pacific Mexico 
Gelidium pusillum var. pulvinatum (C. Agardh) 
Feldmann 
Dawson, 1953 
Pacific Mexico 
Gelidium ramuliferum Gardner 
Gardner, 1927c; Dawson, 1959c 
Santa Barbara; San Pedro, Calif. 
Gelidium sclerophyllum Taylor 
Taylor, 1945; Dawson, 1954, 1957& 
Isla Clarion, Revillagigedo Arch.; southern 
Baja Calif, to Golfo Duke, Costa Rica; 
Esmeraldas; Guayas, Ecuador 
Gelidium setchellii Gardner 
Gardner 1927c 
Marin Co., Calif. 
Gelidium sinicola Gardner 
Doty, 1947; Smith, 1944 
South Bay, Oreg.; San Francisco Bay; Mon- 
terey, Calif. 
Gelidium ? sonorense Dawson 
Dawson, 1954 
Near Guaymas, Sonora 
Gelidium undulatum Loomis 
Loomis, I960 
Redondo, Calif. 
Gelidium venturianum Dawson 
Dawson, 1958 
Mussel Shoals, Ventura Co., Calif. 
