120 TREES AND SHRUBS 



pistil of '1 or 3 united carpels; ovaries united with the disk and 

 hypanthium, to form the berrylike fruit. 



Fruit fleshy, black, with 1 to 3-ce'.led stone. 

 Petals present; young stems glaucous. 1. Ziztphus. 



Petals wanting; young stems not glacous. 2. Condalia. 



Fruit dry or somewhat berrylike, 2 or 3-seeded. 

 Plants low; petals hooded or long clawed; 



stigmas 3. 3 - Ceanothls. 



Tall shrubs 3 feet high or more; petals not 



clawed or hooded; stigmas 2. 4. Rha.mnls. 



I. ZIZYPHUSJuss. 



Kigid spiny shrub 3 to 6 feet high, with glaucous green young 

 branches and small glaucous leaves; leaves % inch long or less ovate 

 to oblong elliptic, acute or obtuse, flower small, in axillary corymbs; 

 sepals 5, triangular; keeled within; petals and stamens 5, opposite 

 <?ach other and on the disk; ovary 2 to 3-celled: fruit a pulpy black 

 berrv e:reen within. 



'/.. li/cnides. 



2. CONDALIA C 



a\ 



Very similar to the preceding but the leaves -patulate and 



finely pubescent, and petals wanting. 



■ r 1. C spathulata. 



3. CEANOTHUS L. 



Low shrubs more or less spinescent, mostly less than 3 feet 

 high; leaves simple, alternate, with minute caducous stipules: flow- 

 ers small, in crowded terminal racemes or corymbs; sepals 5. white, 

 petaloid; disk filing the hypanthium; petals 5, white, long-clawed, 

 strongly hooded; stamens 5, ezserted; ovary immersed in the disk; 

 fruit at last dry. 3-celled. berrylike. 



Leaf blades thin, bright green, nearly or quite 

 glabrous 1 to 1% incties long; inflorescence 



much exceeding the leaves. L C. mogoUomcvs. 



Leaf blades thick, grayish green, densely pubes- 

 cent at least beneath. % inch long or less; 

 inflorenscence usually not exceeding the 

 leaves. 

 Plants spinesoent; leaves sericeous beneath. fend i eri 



elliptic to lanceolate, acutlsh. - V. fenaieu. 



Plants not spinescent; leaves never sericeous, 

 hortellous to puberulent, mostly obovate. 

 rounded or retuse at the apex. 3. t. greggti. 





