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Pomona College Journal of Economic Botany 



Rhamnus californica (Wild Coffee) — Shrub, sometimes arborescent, 1-4 m. hij^h. 

 Common in the cliaparral belt of all our mountains. 



Rhus laurina — Shrub 2-4 m. high. Very common. June-July. 



Rhus integrifolia — Low evergreen shrub, 1-2 m. high, flowers white or rose col- 

 ored, drupes very viscid and acid. Bluffs along the sea-shore. February- 

 March. 



Rhus ovata — Erect or spreading evergreen shrub, 1.5-3 m. high. Occasional in 

 the chaparral belt. March and April. 



Senecio douglasii — Usually about 1 m. high. Common on the dry plains and foot- 

 hills, mostl}' below 3()()() feet. July-November. 



Sphacele calycina tvallacei — Shrubby at base, 6-9 dm. high. Occasional on all 

 our mountains, especially in the uj)])er j)ortions of the chaparral belt, on 

 the shady sides. May- June. 



Symphoricarpos mollis (Snowberry or W'olfberry ) — Low, much branched, about 3 

 dm. high. Chaparral belt of all our mountains and foothills. 



Tetradymia comosa — Branches erect, elongated, 4-8 dm. high. Dry washes of 

 the interior valleys. July-August. 



Xylothermia montana — Shrub 1-2 m. high, branches widely spreading. 



Yucca arborescens (Joshua-tree) — Large yucca of the Mohave Desert. 



Zauschneria californica microphylla (Wild P'uchsia) — Frequent on dry hillsides, 

 mostly below 3000 feet. 



In addition to the plants listed above might be mentioned many varieties 

 of the fleshes, such as the Cacti, stone crops, and Mesembrianthemums. 



Most of the photographs used in this article were taken near the coast in 

 middle western California, by J. M. Garrison, Palms, California. 



