ParT 1, 1914] ERICACEAE 91 
ovate, orbicular-ovate, or deltoid, obtuse, slightly tomentulose, ciliolate; corolla 4-5 mm. 
long; stamens 3.5-4 mm. long, the filaments villous above the dilated base; ovary glabrous; 
drupes globular, 6-7 mm. in diameter. 
Tyre Locauity: Summit of Sierra de San Felipe, Oaxaca. 
DISTRIBUTION: Oaxaca. 
19. Comarostaphylis Conzattii (Fernald) Small. 
Arctostaphylos Conzattii Fernald, Proc. Am. Acad. 36: 497. 1901. 
A shrub with puberulent twigs; leaf-blades oblong to oval, or slightly broadened up- 
ward, 2.5-6 cm. long, acute or obtuse, singly serrate, especially above the middle, pubescent 
when young, glabrous above and often slightly shining in age, more or less pubescent beneath, 
short-petioled; panicles raceme-like, simple or compound, rather closely flowered, the rachis 
and pedicels finely pubescent; calyx 4.5~5 mm. wide, the lobes ovate or triangular-ovate, cilio- 
late; corolla 4-6 mm. long; stamens 2.5 mm. long, the filaments villous; ovary pubescent; 
drupes 6-7 mm. in diameter. 
TyrPx Locality: Sierra de San Felipe, Oaxaca. 
DISTRIBUTION: Oaxaca, 
20. Comarostaphylis pyrifolia (Donn. Smith) Small, sp. nov. 
Arctostaphylos arguta pyrifolia Donn. Smith; Loesener, Bull. Herb. Boiss. II. 3: 219. 1903. 
A shrub with glabrous twigs; leaf-blades oval, vagying to ovate or obovate, 2.5-5 cm. long, 
acute or rounded and abruptly pointed at the apex, doubly serrulate, glabrous above, sparingly 
pubescent on the veins beneath, or ultimately glabrous, short-petioled ; panicles loosely flowered, 
the rachis and pedicels with scattered hairs or glabrous; calyx 4.5-5.5 mm. wide, the lobes 
deltoid to ovate-deltoid, finely pubescent and ciliate, acute; corolla about 5 mm. long; stamens 
2.5-3 mm. long, the filaments villous at the much dilated base; drupes not seen. 
TYPE LocaLiry: Near Todos los Santos, Guatemala. 
DistrRiBurion: Guatemala, 
21. Comarostaphylis nochistlanensis (Loesener) Small. 
Arctostaphylos nochistlanensis Loesener, Bull. Herb. Boiss. II. 3: 220. 1903. 
A shrub with finely pubescent twigs; leaf-blades oblong, often narrowly so, oblong- 
lanceolate or lanceolate, 3-5.5 cm. long, obtuse or mucronate, serrulate, glabrous above, at 
least at maturity, and somewhat shining, pale and minutely pubescent beneath, short-petioled; 
panicles closely flowered, the rachis and pedicels closely glandular-hirsutulous; calyx about 
5 mm. wide, the lobes triangular-ovate to triangular-lanceolate, acuminate, glandular-pubes- 
cent, ciliolate; corolla about 6 mm. long; stamens 2.5-3 mm. long, the filaments villous; drupes 
globular, 4—5 mm. in diameter. 
TYPE LocaLity: Near Tillantongo, Nochistlan, Oaxaca. 
DISTRIBUTION: Oaxaca. 
22. Comarostaphylis diversifolia (Parry) Greene, Bull. Calif. Acad. 
2: 406. 1887. 
Arctostaphylos arguta diversifolia Parry, Proc. Davenport Acad. 4: 35. 1884. 
Arctostaphylos diversifolia Parry; A. Gray, Syn. Fl. N. Am. ed. 2. 2!: 397. 1886. 
A shrub with canescent-tomentulose twigs; leaf-blades elliptic or oval, varying to slightly 
broadest above or below the middle, 2-9 cm. long, obtuse or acutish, obscurely serrate-dentate, 
more or less revolute, finely reticulate, ultimately glabrous and somewhat shining above, 
cinereous-tomentulose beneath, short-petioled; panicles loosely flowered, the rachis and 
pedicels cinereous-tomentulose; calyx 6.5~8 mm. wide, the lobes lanceolate, acuminate, cinere- 
ous-tomentulose; corolla 5-7 mm. long; stamens 2.5—3.5 mm. long, the filaments villous below 
the middle; ovary pubescent; drupes globular, about 4 mm. in diameter. 
TYPE LocaLity: Jamul Valley, southern California. a ; 
DIsTRIBUTION: Southern California and adjacent Lower California, and islands off the coast 
of southern California. 
