(433 ) 
County, Mearns 3980; West Fork of Deep Creek, San Bernardino 
Mountains, Abrams &F McGregor 721. 
3. Uva-ursi patula (Greene) 
Arctostaphylos patula Greene, Pittonia 2: 171. 1891. 
Type locality: ““The common manzanita of dry rocky ridges in 
pine woods of middle altitudes in the Sierra Nevada, California, 
from Calaveras Co. southward to Fresno.” 
Distribution: Southern Cascade Mountains, southward to the 
San Jacinto Mountains. ‘Transition. 
Specimens examined: Strawberry Peak, San Bernardino Moun- 
tains, Abrams 2019; Tahquitz Valley, San Jacinto Mountains, alti- 
tude 2400 meters, Hall 2419 (in part); between Dollar Lake and 
Hathaway Flat, San Bernardino Mountains, Abrams & McGregor 
804. 
4. Uva-ursi glauca (Lind1.) 
Arctostaphylos glauca Lindl. Bot. Reg. 21: sub pl. 1791. 1836. 
Type locality: “California, Douglas.” 
Distribution: Central California, southward to the southern 
boundary of the State. Upper Sonoran. 
Specimens examined: Santa Ynez Mountains, Elmer 30967; 
Arroyo Seco Canyon, San Gabriel Mountains, Grinnell 32, 37; 
Mount Wilson trail, altitude 900 meters, Abrams r5or; Red Reef 
Canyon, Topatopa Mountains, Abrams &§ McGregor 156; Lone 
Pine Canyon, San Gabriel Mountains, Abrams &F McGregor 670. 
5. Uva-ursi tomentosa (Pursh) 
Arbutus tomentosa Pursh, Fl. Am. Sept. 1: 282. 1814. 
Arctostaphylos tomentosa Dougl. Bot. Reg. 21: pl. 7911. 1836. 
Xerobotrys tomentosus Nutt. Trans. Am. Phil. Soc. II. 8: 268. 
1843. 
Type locality: “On the north-west coast of America.” 
Distribution: Southern British Columbia, southward to north- 
ern Lower California. In southern California this species grows 
in the higher altitudes of the Upper Sonoran and sometimes ex- 
tends into the lower part of the Transition. There is great varia- 
tion, especially in pubescence, and several well-marked forms seem 
to occupy distinct geographic areas. In the coastal mountains the 
