150 VITACEAE (GRAPE FAMILY) 



CC. Leaves deciduous, not as if varnished above, not sticky above, witliout strong 

 odor. 

 D. Leaves ovate to elliptic; flowers white; twigs terete. W. (". E. 



C. sanguineus (buck brush) 

 DD. Leaves oblong to lanceolate; flowers mostly blue; twigs more or less angular. 

 E. Leaves entire or serrulate only near the apex. W. E. 



C. integerrimus (California lilac) 

 EE. Leaves serrulate to base, or nearly so. U. 



C. thyrslflonis (California lilac) 

 BB. Flowers in racemes; leaves 8-30 mm. long; branches usually rigid and 

 spiny. 

 F. Leaves ovate; inflorescence 5-7.5 cm. long, dense; flowers pale blue or white; 

 capsules not lobed; shrub tall, usually arborescent. C. E. C. divarlcatus 



FF. Leaves elliptic; inflorescence about 2-3 cm. long, loose; flowers white; cap- 

 sules lobed at the top; shrub low, flat-topped. U. C. cordulatus 

 AA. Most of the leaves opposite, with one chief vein from the base, with numerous 

 straight parallel lateral veins, spine-toothed or entire; fruit crested with 3 hornlike 

 or wartlike processes below the summit. 

 G. Flowers white; plant erect or depressed but not prostrate; leaves entire. W. 



C. cuneatus (chaparral) 



GG. Flowers blue or purple; plants prostrate; leaves with several teeth near the 



apex. U. C. E. C. prostratus (mahala mats) 



VITACEAE (Grape Family) 



Shrubs, viney, climbing by tendrils. Leaves simple, opposite, 

 palmately veined. Flowers in racemes or panicles, small. Calyx 

 minute, 4-5-toothed or nearly entire. Petals 4-5. Stamens as 

 many as petals, opposite them; style short or none; stigma i. 

 Fruit a berry, globose, pulpy, 1-2-celled, with 1-4 seeds. U. — 

 (L. vitis = a vine; hence the name of the chief vine, the grape.) 



Vitis californica (wild grape) 



MALVACEAE (Mallow Family) 



Herbs. Leaves alternate, mostly palmately veined; stipules 

 small, deciduous. Flowers regular, perfect. Sepals 5, somewhat 

 united. Petals 5, hypogynous. Stamens many, monadelphous, 

 forming a central column around the style, united with the bases 

 of the petals. Ovary several-celled; styles united below, distinct 

 above. Fruit a capsule, often cheese-shaped. 



a. At least the upper leaves lobed, usually all lobed; palmately veined. 

 B. Style-branches filiform, not headlike at tip; carpels i-ovuled, i-seeded. 

 C. Stamens in i series, united ; involucre bracts below the calyx 3 ; carpels 1 5-20. 



MALVA (p. 151) 

 CC. Stamens in 2 series, united in the outer, distinct in the inner; involucre 

 bracts below the calyx none; carpels 5-9, SIDALCEA (p. 151) 



BB. Style-branches tipped with a headlike stigma. 



