82 PROCEEDINGS OF THE CALIFORNIA 



Azalea occidenlalis Torr. and Gray. 



On the banks of creeks in Marin County. Quite common ; five to twelve 

 feet high. 



Diplacus glutinosus Nutt. 



Southern and western slopes. Resinous, eight feet high ; common. 



Sphacele calycina Benth. 



Mostly gregarious, five to eight feet high. Near the coast, Marin County ; 

 eastern slopes near San Mateo. 



Eriodiction Californicum Benth. 



Very glutinous, two to four feet high — evergreen. Dry hill sides, Tamal 

 Pais. 



Solanum umbeliiferum Esch. 

 A slender evergreen shrub, two to four feet high on the bluffs of the bay. 



Fra.ri mis Oregana Nutt. Oregon Ash. 

 On the banks of creeks, Marin County ; twenty to thirty feet high. 



Oreodaphne Caltfornica Nees. Spice Bush, Mountain Laurel, Balm 

 of Heaven. 



Often a large tree in moist localities, forty to fifty feet high, sometimes three 

 to six feet in diameter ; used for ship-building. 



Dirca palustris Linn. Leatherwood. 



Yery common on the eastern slopes of the Oakland hills, where its flowers 

 make it very conspicuous in spring ; two to four feet high. 



Croton (Hendecandra) procumbens Hook and Arn. 

 A very low shrub, common on the peninsula of San Francisco, in almost 

 pure sandy soil. 



Garrija elliptka Lindl. 



Mostly a shrub with slender branches, but sometimes a small-sized tree ; ever- 

 green, gregarious, in sandy soil in this city, and on the eastern slope of the Oak- 

 land hills. 



Platanus racemosa Nutt. Sycamore. 

 Banks of San Leandro Creek, Oakland hills. 



Alnus viridis D. C. 

 A large tree on the banks of creeks, Oakland hills. 



Myrica Californica Cham, and SchL Wax Myrtle. 



Mostly a medium sized tree, in moist localities and on the eastern slopes of 

 Oakland hills. 



Juglans rupestris Engelm. Var. major Torr. Walnut. 

 A beautiful large tree, forty to sixty feet high and two to four feet in diam- 



