174 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 13 



On San Francisco and Espiritu Santo Islands and probably on the 

 adjacent peninsula. Originally described from near La Paz, but the type 

 colony is reported to have been washed out by a storm. Johnston (I.e. 

 p. 1199) makes some interesting observations concerning this rare, mono- 

 typic, and endemic plant. 



Dysodia speciosa Gray, Proc. Am, Acad. Sci. 5:163. 1861. 

 Punta Frailes, Baja California, February 16, Dawson 1131, 

 Apparently endemic to the postinsular Cape District and the adja- 

 cent islands; type from Cape San Lucas. It is a slender-stemmed sub- 

 shrub with showy orange-colored rays and a pungent aromatic odor. 



Encelia farinosa Gray in Emory, Mil. Reconn. 143. 1848. 



Near Guaymas, February 9, Dawson 10S2. 



Mostly on the arid rocky foothill slopes in southern Nevada, Cali- 

 fornia, Arizona, Sonora, and south to central Sinaloa; type from Cali- 

 fornia. 



Encelia farinosa phenicodonta Blake, Proc. Am. Acad. Sci. 

 49:362. 1913. 



Ensenada de los Muertos, Cape District, March 5, Rempel 76, Tor- 

 tuga Island, March 17, Rempel 218. 



Irregularly through the gulf region from southern Arizona south to 

 Guaymas, Sonora on the mainland, on the islands Patos, Tiburon, Tor- 

 tuga, and probably others, on the deserts of the peninsula, and in the 

 Cape District; type from near San Quentin, Baja California. This form 

 is distinguished from the typical species by the purple disk flowers in 

 generally smaller heads. Johnston (Proc. Calif. Acad. Sci. IV, 12:1198. 

 1924) raised Blake's form to a variety. It appears to be more widely 

 distributed than the species. 



Ericameria diffusa Benth., Bot. Voy. Sulph. 23. 1844. 



San Francisco Island, March 9, Rempel 106, shrub 2 feet tall on 

 hillside facing south. Agua Verde Bay, Baja California, March 10, 

 Rempel 117, in draw on mesa about 2 miles inland; Rempel 122, wash. 

 Los Angeles Bay, March 19, 20, Rempel 243, 



Along the coasts of southern Sonora and southern Baja California 

 as far as La Paz and on adjacent islands; type from Magdalena Bay. 

 It forms a bushy shrub 1-2 m tall, common and even abundant in some 

 localities. Besides San Francisco Island it has also been collected on San 

 Marcos and Ildefonso Islands. The Rempel collections are either sterile 

 or in the last stages of seeding. 



