Part 1, 1914] ERICACEAE 89 
filaments sparingly pubescent near the slightly dilated base; drupes globular, 4-5 mm. in 
diameter. 
Type collected at Buena Vista, San Luis Potosi, Mexico, May, 1911, C. A. Purpus 4936 (herb. 
N. Y. Bot. Gar 
DISTRIBUTION: San Luis Potosi. 
10. Comarostaphylis minor Small, sp. nov. 
A shrub with glabrous or nearly glabrous twigs; leaf-blades linear to linear-spatulate, 
1.5-2.5 em. long, obtuse or acutish, thinnish, glabrous, or merely puberulent beneath when 
young, entire, flat, shining above, paler and dull beneath, short-petioled; panicles closely 
flowered, the rachis and pedicels minutely pale-pubescent; calyx 3~-3.5 mm. wide, the lobes 
deltoid to triangular-lanceolate, acute or acutish, ciliolate; corolla 4-5 mm. long; stamens 
2.5-3 mm. long, the filaments sparingly villous above the dilated base; drupes spheroidal, 
3-4 mm. in diameter. 
Type collected near Miguhuane, Tamaulipas, Mexico, June 10, 1898, E. W. Nelson 4469 
(U.S. Nat. Herb.). 
DIstRIBUTION: Tamaulipas. 
11. Comarostaphylis costaricensis Small, sp. nov. 
A shrub with glabrous twigs; leaf-blades narrowly oblong or narrowly elliptic, or sometimes 
oblong-spatulate, 3-7 cm. long, acute or abruptly short-acuminate, thickish, glabrous, entire, 
slightly revolute, smooth and somewhat shining above, pale-green or glaucous beneath, short- 
petioled; panicles rather closely flowered, the rachis and pedicels glabrous or with scattered 
hairs; calyx 4.5-5 mm. wide, the lobes ovate to triangular-lanceolate, acuminate, erose; corolla 
6-7 mm. long; stamens 2.5-3 mm. long, the filaments sparingly villous near the dilated base; 
drupes globose-ovoid, 4-5 mm. in diameter. 
Type collected on Irazu, Costa Rica, June 25, 1874, O. Kuntze 2361 (herb. N. Y. Bot. Gard.). 
DIstRIBuTION: Costa Rica. 
12. Comarostaphylis glaucescens (H. B. K.) Zucc.; Klotzsch, 
Linnaea 24: 76. 1851. 
Arctostaphylos glaucescens H. B. K. Nov. Gen. & Sp. 3: 278. 1819. 
A shrub with puberulent twigs; leaf-blades oblong-lanceolate, 10 cm. long or less, some- 
what mucronate, thickish, entire, glabrous and shining above, somewhat reticulate, pubescent 
and glaucous beneath, short-petioled; panicle closely flowered, the rachis and pedicels puberu- 
lent; calyx purple, the lobes orbicular-ovate, acute, glandular-ciliate; corolla glabrous; stamens 
one half as long as the corolla, the filaments glabrous; ovary pubescent; drupe depressed- 
globose.* 
TYPE LOcALITY: Between Guanajuato and Valenciana, Guanajuato. 
DIstRIBUTION: Known only from the type locality. 
13. Comarostaphylis lucida Small, sp. nov. 
A shrub with glabrous twigs; leaf-blades narrowly oblong or narrowly elliptic, or oblong- 
spatulate, 3-7 cm. long, acute, glabrous, smooth and somewhat shining above, dull and scarcely 
paler beneath, prominently serrulate, short-petioled; panicles rather closely flowered, the 
rachis and pedicels minutely pubescent; calyx 3.5-4 mm. wide, the lobes deltoid to ovate-del- 
toid, acute or acuminate, ciliolate; corolla not seen; drupes spheroidal, 4-5 mm. in diameter. 
Type collected at Orizaba, Mexico, in 1855, F. Miller (191) 1503. 
DIstRiBurion: Orizaba; Oaxaca. 
14. Comarostaphylis arguta Zucc. Abh. Akad. Miinch. 2: 332. 1837. 
Arbutus discolor Hook. Ic. pl. 29. 1837. 
Arctostaphylos arguta DC. Prodr. 7: 585. 1839. 
Arctostaphylos discolor DC. Prodr. 7: 585. 1839. 
Arctostaphylos nitida Benth. Pl. Hartw. 66. 1840. 
Arctostaphylos spinulosa Mart. & Gal. Bull. Acad. Brux. 91: 537. 1842. 
* Description adapted from the original. If the character given for the filaments, 7. e. 
glabrous, is correct, this alone distinguishes it from all of our other species with entire leaf- 
blades. 
