30 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 13 



EUPHORBIACEAE 



Eremocarpus setigerus (Hook.) Benth., Bot. Voy. Sulph. 53. 

 1844. 



Santa Cruz Island, Prisoners Harbor Canyon, August 2, Elmore 

 259, dr>^ river bed. 



Common in wasteland and fallow fields from Washington to south- 

 ern cismontane California. Known also on Santa Rosa, Santa Catalina, 

 and San Clemente Islands. 



Anacardiaceae 



Rhus integrifolia (Nutt.) Benth. & Hook, ex Wats, in Wheeler, 

 Rep. U.S. 100th :\Ierid. 6:84. 1878. 



Santa Catalina Island, February 29, Elmore 439. San Clemente, 

 February 18, 19, Elmore 394. Santa Cruz Island, Prisoners Harbor 

 Canyon, September 14, Elmore 275. Anacapa Island, August 1, Elmore 

 224'. 



Maritime southern California and northern Baja California and 

 adjacent islands from Santa Barbara to Cedros Island; type from San 

 Diego, California. Known from all the Channel Islands except San 

 Nicolas. 



Toxicodendron diversilobium (Torr. & Gray) Greene, Leafl. 

 1:119. 1905. 



Santa Cruz Island, Prisoners Harbor Canyon, September 14, Elmore 

 265, dry rocky hillside. 



Common along the Pacific coast below 4000 feet from Washington 

 through California and south in the mountains of northern ^lexico to 

 Sinaloa. Known also from San ^Miguel, Santa Rosa, and Santa Catalina 

 Islands. 



Malvaceae 



Lavatera assurgentiflora KelL, Proc. Calif. Acad. Sci. 1:14. 

 1854. 



Santa Catalina Island, Indian Rock in Emerald Cove, February 29, 

 Elmore 435. Santa Rosa, Becher Bay, August 2, Elmore 191, dry hill- 

 side. 



Native of the Channel Islands, apparently originally lacking only 

 on San Nicolas, escaped and cultivated on the adjacent mainland. 



Sidalcea malvaeflora (DC.) Gray ex Benth., PI. Hartw. 300. 

 1848. 



Santa Rosa Island, Becher Bay, August 2, Elmore ISl, wall of wet 

 ravine. 



Cismontane southern California to northern California and on the 

 islands of Santa Rosa, San Miguel, Santa Cruz, and Catalina. 



