Benthic Algae — -Dawson 
453 
Jantinella vermcaeformis (Setchell & McFad- 
den) Kylin 
Dawson, 1954 (in part as J, sinicola ) , 1959; 
Setchell & Gardner, 1930 (as ], sinicola ) 
San Pedro, Calif., to Bahia Vizcaino, Baja 
Calif.; Isla Clarion, Revillagigedo Arch.; 
southern Gulf of Calif. 
Cbondria arcuata Hollenberg 
Hollenberg, 1945 
Corona del Mar; Laguna Beach, Calif. 
Chondria calif arnica ( Collins ) Kylin 
Dawson, 1946 (as C. cus cutoides ) , 1954, 
1954 d, 1959, 1959c; Dawson, Meushul & 
Wiidman, I960 
La Jolla, Calif., to Puerto Culebra, Costa Rica 
Cbondria clarionensis Setchell & Gardner 
Dawson, 1954, 1959 (as possibly equal to C. 
calif ornica ) 
Isla Guadalupe, Baja Calif., Isla Clarion, Re- 
villagigedo Arch. 
Chondria dangeardii Dawson 
Dawson, 1960^ 
Isla del Rey, Panama 
Chondria dasyphylla (Woodward) C. Agardh 
Dawson, 1954, 1959 
Bahia Gonzaga to Bahia Agua Verde, Gulf 
of Calif. 
Chondria decipiens Kylin 
Smith, 1944; Dawson, 1945 b, 1954, 1958, 
1959, 1959c 
Santa Cruz, Calif., to Cabo Colnett, Baja Calif. 
Isla San Pedro Molasco, Gulf of Calif. ? 
Chondria flexicaulis Taylor 
Taylor, 1945 
Galapagos Arch. 
Chondria lancifolia Okamura 
Dawson, 1957, 1951b 
Rocas Alijos, Baja Calif.; Golfo de Micoya, 
Costa Rica ? 
Chondria nidifica Harvey 
Kylin, 1941; Dawson, 1954, 1959c; Dawson, 
Meushul & Wiidman, I960 
La Jolla, Calif., to Bahia Asuncion, Baja Calif. 
Chondria oppositiclada Dawson 
Dawson, 1946 
La Jolla, Calif. 
Chondria pacifica Setchell & Gardner 
Dawson, 1954, 1958 
Arroyo Hondo, Santa Barbara Co., Calif., to 
Bahia Tortuga, Baja Calif. 
Chondria platyclada Taylor 
Taylor, 1945 Dawson & Beaudette, I960 
Costa Rica; Isla Plata, Ecuador 
Chondria repens Bprgesen 
Dawson, 1951b 
Golfo Dulce, Costa Rica 
Chondria secundata ( J. Agardh) J. B. De Toni 
J. B. De Toni, 1903 
Santa Barbara, Calif. 
Lauren cia clarionensis Setchell & Gardner 
Dawson, 1954 
Isla Clarion, Revillagigedo Arch. 
Laurencia congesta Taylor 
Taylor, 1945 
Galapagos Arch. 
Laurencia crispa Hollenberg 
Smith, 1944 
Monterey Peninsula, Calif. 
Laurencia decidua Dawson 
Dawson, 1954c 
Isla San Benedicto, Revillagigedo Arch. 
Laurencia densissima Setchell & Gardner 
Setchell & Gardner, 1937 
Galapagos Arch. 
Laurencia diegoensis Dawson 
Hollenberg, 1948; Dawson, 1954, 1959c; 
Dawson, Meushul & Wiidman, I960 
Carpinteria, Calif., to Punta Baja, Baja Calif. 
