Heath Family 297 



2. ARCTOSTAPHYLOS Adans. MANZANITA. 



Shrubs or small trees with evergreen coriaceous alter- 

 nate leaves, an.d small white or rose-colored flowers, in 

 racemes, spikes or panicles. Bracts and bractlets present, 

 scale-like. Ovules solitary in the cells, which become 

 bony nutlets or combine into a few-several-celled stone. 

 Fruit a drupe with a hard surface and a mealy or almost 

 bony pulp between it and the nutlets. 



* Leaves plane, alike or nearly alike on both sides. 

 *- Ovary and pedicels smooth or glabrate. 



1. A. Manzanita Parry. Shrubby or arborescent, 2-8 m. 

 high ; bark mahogany-red, exfoliating, twigs and petioles minute- 

 ly tomentose-pubescent ; leaves dull green, commonly vertical by 

 a twist in the short petiole, rigid, ovate-oblong, glabrous on both 

 surfaces, 2.5-5 cm. long; petioles 6-10 cm. long; bracts less than 

 4 mm. long; pedicels smooth, corolla pinkish; ovary smooth; 

 fruit irregularly depressed-globose, 8-12 mm. broad, reddish 

 brown ; nutlets irregularly separable, rough-carinate. 



Occasional in the San Gabriel Mountains. More common in the San Ber- 

 nardino Range. In both confined mostly to the upper portions of the chapar- 

 ral belt. 



2. A. patula Greene. Diffusely branched shrub, 1-1.5 m. 

 high ; young twigs rusty puberulent or nearly smooth ; leaves 

 smooth, bright green, ovate to broadly cordate, 2-5 cm. long, 

 entire, obtuse ; bracts lanceolate ; pedicels smooth ; fruit smooth, 

 depressed-globose, about 6 mm. in diameter ; nutlets united into a 

 deeply lobed stone. 



Occasional on dry ridges in the open pine woods of the San Antonio and 

 San Bernardino Mountains, 5000-8000 feet altitude. 



-*--*- Ovary and pedicels tomentose or glandular-pubescent. 



3. A. tomentosa Dougl. Shrubby, erect, 1.5-3 m. high, twigs, 

 foliage and pedicels minutely tomentose when young, the twigs 

 often also hispid with scattered hairs ; leaves glaucescent, paler 

 and tomentose beneath, ovate to elliptic, entire or some times 

 denticulate; bracts conspicuous, folraceous, usually exceeding 

 the short pubescent or somewhat hispid pedicels; ovary densely 



