454 
PACIFIC SCIENCE, VoL XV, July 1961 
Laurencia estebaniana Setchell & Gardner 
Dawson, 1954 
Isla Smith; Isla San Esteban, Gulf of Calif. 
Laurencia gardneri Hollenberg 
Smith, 19 44 
Monterey Peninsula, Calif. 
Laurencia hancockii Dawson 
Dawson, 1954 
Bahia Agua Verde, Gulf of Calif. 
Laurencia humilis Setchell & Gardner 
Dawson, 1954 
Isla Clarion, Revillagigedo Arch. 
Laurencia intricata Lamouroux 
Dawson, 1954 
Bahia Petatlan, Guerrero 
Laurencia johnstonii Setchell & Gardner 
Dawson, 1954 
Northern Gulf of Calif. 
Laurencia lajolla Dawson 
Dawson, 1958 
La Jolla, Calif. 
Laurencia masonii Setchell & Gardner 
Dawson, 1954 
Isla Guadalupe, Baja Calif. 
Laurencia medio cris Setchell & Gardner 
Setchell & Gardner, 1937 
Galapagos Arch. 
Laurencia multibulb a Dawson, Neushul & Wild- 
man 
Dawson, Neushul & Wildman, I960* 
Off Punta Hughes and Punta Entrada, Isla 
Magdalena, Baja Calif. 
Laurencia obtusa (Hudson) Lamouroux var. 
gracilis Harvey 
Taylor, 1945 
Galapagos Arch. 
Laurencia obtusiuscula Setchell & Gardner var. 
obtusiuscula 
Dawson, 1949^, 1954, 1959; Dawson, Neu- 
shul & Wildman, 1960a 
Near Punta Eugenio, Baja Calif.; Gulf of 
Calif, from Guaymas to San Jose del Cabo 
Laurencia obtusiuscula var. corymbifera Setchell 
& Gardner, prox. 
Taylor, 1945 
Galapagos Arch. 
Laurencia obtusiuscula var. laxa Setchell & Gard- 
ner 
Dawson, 1959, 1954 (as L. obtusiuscula) 
Southern Gulf of Calif. 
Laurencia oppositoclada Taylor 
Taylor, 1945 
Galapagos Arch. 
Laurencia pacifica Kylin 
Smith, 1944; Dawson, 1954, 1959c 
Pacific Grove, Calif., to Isla Magdalena, Baja 
Calif. 
Laurencia paniculat a (C. Agardh) J. Agardh 
Dawson, 1954 
Bahia Gonzaga; Guaymas to Bahia Agua 
Verde, Gulf of Calif. 
Laurencia papillosa var. pacifica Setchell & Gard- 
ner 
Dawson, 1954, 1959 
Isla Guadalupe; southern Gulf of Calif. 
Laurencia peninsularis Taylor 
Dawson, 1954 
Cabo San Lazaro, Baja Calif. 
Laurencia richardsii Dawson 
Dawson, 1954c 
Isla San Benedicto, Revillagigedo Arch. 
Laurencia scrippsensis Dawson 
Dawson, 1954, 1954c 
La Jolla, Calif., to Isla Magdalena, Baja Calif.; 
Isla San Benedicto, Revillagigedo Arch. 
