BOREALES—FLAVESCENTES 41 
12-flowered when staminate: peduncle 2-3 mm. long: scales villous-tomen- 
tose. Fruit white, from elongated becoming subglobose, somewhat short- 
villous at top, about 4 mm. in diameter, in close whorls: sepals rather 
villous, somewhat parted.—Plates 1, 5, 6, 7, 10, 40. 
Californian region, usually on Quercus but also on Acacia, Aesculus, 
Arctostaphylos, Persica, Populus, Rhus, Robinia, Salix and Umbellula- 
ria.*—The type from Oregon. 
Specimens examined :—UNITED STATES. OREGON. Wahlamet Woods 
(Nuttall, 1834,—the type). Without locality (Hall, 456; Finley, 1900). 
Roseburg (Engelmann). Waldo (Howell, 1884). Grant's Pass (How- 
ell, 1264). Gold Hill (Walpole, 152). Ashland (Walpole, 380). Cen- 
tral Point (Ashworth, 147). CALIFORNIA. San Francisco Bay (Wilkes 
Expedition, 1667, 1853-4). Oakland (Hillebrand, 1863). Lake Co. (Bo- 
lander, 2671). Upper Sacramento (Wilkes Expedition, 1772). Napa 
Valley (Bigelow, 1854). Ukiah (Blasdale, 1019). Salinas Valley (Brew- 
er, 564; Vasey, 1880). Palo Alto (Baker, 203). Fort Tejon (Horn, 
1863). Placerville (Bolander; Rattan). Scott River (Hedgcock, 1893). 
Sicon Valley (Lemmon, 1875). Siskyou Co. (Pond, 189, 192; Hedg- 
cock, 1896; Butler, 565). Plumas Co. (Austin). Butte Co. (Austin, 
698; Drew, 1889). Raymond (Hedgcock, 4840). Chico (Bidwell, 1890). 
Little Chico (Bruce, 1786). Sierras (Bessey, 1875.) Sugar Pine (Scher- 
fee, 1914). Mendocino Co. (Brown, 953; Chesnut, 595; Clarke, 1-5). 
Asti (Pammel & Davis, 114). Vacaville (Jepson, 1894). Sonoma Co. 
(Heller & Brown, 5036). Northfork (Jack, 1907). Amador Co. (Braun- 
ton, 1258; Hansen, 720). Emigrant Gap (Jones, 1882). Byron Gulch 
(Ward, 116). Shasta Co. (Baker & Nutting, 1894). Calaveras Grove 
(Hutchens, 1900). Mt. Hamilton (Chandler, 6043; Blankinship, 1891). 
Kaweah River Basin (Hopping, 264). Mariposa Co. (Hollick, 1880). 
Hood’s Peak (Michener & Bioletti, 1893). El Portal (Hottes, 1914). 
San Luis Obispo Co. (Barber, 1901). Sta. Barbara (Elmer, 3794). Sta. 
Clara Co. (Davy, 551; Elmer, 1758). Auberry (Jordan, 8296—on Arc- 
tostaphylos, 8332—on Rhus). San Bernardino Co. (Parish, 1073; 
Abrams, 2687, 2749). Los Angeles Co. (Grant & Wheeler, 979--6243). 
Wilson’s and Baldy Trail (McClatchie, 1893). Riverside (Grant, 4517, 
4533). San Jacinto Mts. (Hall, 2531; Gregory, 1890; Berg, 1904). 
Sta. Rosa Mountain (Smith, 5466). San Diego Co. (Mearns, 3767; 
Palmer, 440; Chandler, 5456; Stokes, 1895). Laguna (Mearns, 3617). 
Without locality (Fitch, 1849; Kuntze, 1874). Mexico. Lower CALI- 
FORNIA. Encenada (Jones, 3734). Mountains (Orcutt, 1310a). Nach- 
oguero Valley (Schoenfeldt; 3400). 
*Cf. Cannon, Bull. Torr. Bot. Cl. vol. 28. p. 374.—Hedgeock, Phytopathology. 
vol. 5. p. 179. 
