(347 ) 
grove Canyon, Liebre Mountains, Abrams &¥ McGregor 825; 
Water Canyon, Tehachapi Mountains, Abrams & McGregor 492; 
Chatsworth, Abrams 1335. 
7. Quercus Douctasir Hook. & Arn. Bot. Beech. 391. 1841. 
Quercus Ransomt Kell. Proc. Calif. Acad. 1: 25. 1855. 
Quercus oblongifolia brevilobata Torr. Bot. Wilkes Exped. 460. 
1874. 
Type locality: “California.” First collected by Douglas. 
Distribution: In the foothills and valleys of the Coast Ranges 
and Sierra Nevada from Mendocino County and the upper Sacra- 
mento Valley to the southern slopes of the Tehachapi Mountains. 
Upper Sonoran. 
Specimens examined: Canyon above Castac Lake, eae 4470, 
Lebec Station, near’ Fort Tejon, Abrams & McGregor 285. 
8. Quercus Encetmanni Greene, West. Am. Oaks 33, pl. 15, 
f. 2, 3; pl. 17. 1889. 
Quercus MacDonaldi elegantula Greene, W. Am. Oaks, 26, pl. 209. 
1890. 
Type locality: “Mountains of southern —— from the 
mesas east of San Diego northward to Kern Coun 
Distribution: Valleys and low foothills in the aoe of Pasa- 
dena southward through western San Diego County, and probably 
extending into Lower California. Hybrids between this species 
and Q. dumosa often occur. Quercus MacDonaldi elegantula was 
based upon one of these. Upper Sonoran 
Specimens examined: San Gabriel, Engelmann, Sept. 18, 1880; 
near Pasadena, Grinnell, Dec. 1903; Santa Anita, Grinnell 126; 
Sierra Madre, Abrams 1490; Fallbrook, Parish, Nov. 5, 1891; 
Potrero, Orcutt 2209; Alpine, Mearns 3052. 
Quercus MacDonaldi Greene, W. Am. Oaks25. 1889. A species 
peculiar to Santa Catilina Island. Small tree with foliage much 
like that of Q. Douglasit. 
g. Quercus pumosa Nutt. N. Am. Sylva 1: 7. 1842. 
Quercus acutidens Torr. Bot. Mex. Bound. 207, pl. 517. 1859. 
Quercus dumosa polycarpa Greene, West Am. Oaks pt. 2, pi. 28. 
1890. 
