Part 1, 1914] ERICACEAE 95 
4. Uva-ursi Hookeri (G. Don) Abrams. 
Arctostaphylos Hookeri G. Don, Gen. Hist. 3: 836. 1834. 
Andromeda venulosa DC. Prodr. 7: 607. 1839. 
Arctostaphylos acuta Nutt. Trans. Am. Phil. Soc. II. 8: 267. 1843. 
Xerobotrys venulosa Nutt. Trans. Am. Phil. Soc. II. 8: 268. 1843. 
Daphnidostaphylis Hookeri Klotzsch, Linnaea 24: 80. 1851. 
Daphnidostaphylis acuta Klotzsch, Linnaea 24: 81. 1851. 
Arctostaphylos franciscana Eastw. Bull. Torrey Club 32: 201. 1905. 
A low, erect, bushy shrub, branching from the base, with smooth very dark reddish-brown 
bark and somewhat tomentose branchlets; leaf-blades ovate to obovate, 12-25 mm. long, 
bright-green or slightly cinereous when young, prominently reticulate-veined; petioles slender, 
3-5 mm. long; flowers in short subcapitate racemes; rachis tomentose; bracts triangular, 
2 mm. long, tomentose; pedicels 3-4 mm. long, glabrous; calyx-lobes ovate, pubescent on the 
margins; corolla pink, 4-5 mm. long; ovary glabrous; fruit slightly depressed-globose, chestnut- 
brown, 4-5 mm. broad; nutlets irregularly coalescent, 3 mm. long, rounded on the back, 
ribbed and rugosely roughened. 
TYPE LOCALITY: Monterey, California. 
DIsTRIBUTION: Near the coast from San Francisco to San Simeon Bay, San Luis Obispo County, 
California. ; 
5. Uva-ursi montana (Eastw.) Abrams. 
Arctostaphylos montana Eastw. Proc. Calif. Acad. III. 1: 83. 1897. 
A low spreading shrub, 1 m. or Jess high, with nearly smooth reddish-brown bark and 
hoary tomentose branchlets; leaf-blades ovate, obovate, or broadly elliptic, 15-25 mm. long, 
obtuse or acutish and prominently apiculate at the apex, coriaceous, dull-green and more 
or less tomentose; petioles 3-4 mm. long, tomentose; flowers in short spike-like simple or few- 
branched racemes; rachis densely tomentose; bracts triangular, 3 mm. long, tomentose below 
the middle, the upper half nearly or quite glabrous, brown and deciduous; pedicels 4-5 mm. 
long, glabrous; calyx-lobes ovate, pubescent on the margins; corolla 6-7 mm. long; ovary 
conic, glabrous; nutlets irregularly coalescent, rounded on the back and faintly ribbed, other- 
wise nearly smooth. 
TYPE LOCALITY: Mt. Tamalpais, Marin County, California. 
DistrrBuTiIon: Coast ranges of central California. 
6. Uva-ursi pungens (H. B. K.) Abrams, Bull. N. Y. Bot. Gard. 
6: 432. 1910. 
Arctostaphylos pungens H. B. K. Nov. Gen. & Sp. 3: 278. 1819. 
Arbutus myrtifolia Willd.; Steud. Nom. Bot. ed. 2. 1: 119, 120, asa synonym. 1840. 
Arbutus rigida Willd.; Steud. Nom. Bot. ed. 2. 1: 119, 120, asa synonym. 1840 
Daphnidostaphylis pungens Klotzsch, Linnaea 24: 80. 1851. 
An erect shrub, branching from the base, 1-3 m. high, with smooth reddish-brown bark 
and branchlets more or less cinereous with a fine tomentum; leaf-blades ovate to lanceolate 
or obovate to oblanceolate, 15-30 mm. long, usually less than 15 mm. wide, minutely grayish- 
tomentose when young, becoming dull-green or more or less shining; flowers in short spike-like 
racemes, the racemes simple or with 1 or 2 short branches; bracts triangular, 3 mm. long, 
tomentose throughout; pedicels 5-7 mm. long, glabrous; calyx-lobes rounded, 1.5 mm. long, 
glabrous; corolla 7 mm. long; ovary glabrous; fruit depressed-globose, 5-8 mm. broad, smooth, 
chestnut-brown; nutlets separable or irregularly coalescent, carinate and prominently corru- 
gately wrinkled. 
Typ LOcALIty: On mountain slopes near the city of Mexico. . 
DISTRIBUTION: Utah and the San Bernardino Mountains of southern California, and south- 
ward through the Mexican Plateau region to Oaxaca. 
ILLUSTRATIONS: H. B. K. Nov. Gen. & Sp. #1. 259; Bot. Reg. 30: pl. 17; Bot. Mag. pl. 3927; 
Torr. in Emory, Notes Mil. Rec. #l. 7. 
7. Uva-ursi Parryana (Lemmon) Abrams, Bull. N. Y. Bot. Gard. 
6: 432. 1910. 
Arctostaphylos Parryane Lemmon, Pittonia,2: 68. 1890. 
An erect branching shrub, 1.5-2.5 m. high, with smooth dark reddish-brown bark and 
hoary tomentose branchlets; leaf-blades ovate to suborbicular, mostly 25-35 mm. long, obtuse 
