30 



WILD FLOWERS OF CALIFORNIA 



377. Yellow Sorrel 



378. Redwood Sorrel 



Oxalis corniculata 

 and vars. 



Oxalis oregana 



General, weed in lawns and 

 gardens; troublesome 

 root-stocks ; leaves turn 

 reddish and have acid 

 taste ; flowers yellow. 



Associated with the red- 

 woods ; pink, white or 

 rose-color ; large. 



CITRUS FAMILY RUTACEAE 



379. Hop-tree Ptelea Baldwinii var. Mt. Diablo north and south 



in certain localities. Shrub 

 or tree ; interesting seed 

 surrounded by a wing. 



380. Thamnosma montanum S. E. deserts. Low, some- 



what spiny shrub ; soon 

 deciduous ; purple and 

 yellow ; not common. 

 Strongly scented. 



381. Cneoridium dumosum San Diego region. A low 



heavy scented shrub; 

 flowers white. 

 To this family belong the citrus fruits so extensively grown in Southern Cali- 

 fornia and certain sections of the northern counties. 



STAFF-TREE FAMILY 



CELASTRACEAE 



382. Burning Bush 



383. 



Euonymus occidentalis 



Pachystima Myrsinites 



Slender, 4-angled green- 

 branched shrub. Santa 

 Cruz mountains north. 

 Flowers dark brown. 



Evergreen shrub. Yuba riv- 

 er north. Flowers small, 



BUCKTHORN FAMILY RHAMNACEAE 



384. California jujube 



385. 



386. Coffee Berry or 



Pigeon Berry 



387. Cascara Sagrada 



388. 



Zizyphus Parryi 



Karwinskia Humboldtiana 



Rhamnus 

 vars. 



Californica and 



Rhamnus Purshiana 



Rhamnus 

 vars. 



crocea and 



Shrub with leafy spines^ 

 gravelly ravines ; southern 

 California; edible; lemon- 

 yellow ; fruits about ^4 

 inch long. 



Smooth shrub perhaps in 

 extreme south adjacent to 

 Mexico ; a small fleshy 

 fruit. 



General ; leaves evergreen ; 

 shrub ; generally 2-seeded ; 

 blackish-purple berry. 



Northern coast counties 

 mostly; shrub or small 

 tree ; medicinal bark; 

 leaves deciduous ; 3-seed- 

 ed black berry. 



Bay region southward near 

 the coast ; low shrub 

 bright red berry. 



