PIPER—FLORA OF THE STATE OF WASHINGTON. 387 
SPECIMENS EXAMINED: Montesano, Heller 3885; Sumas Prairie, Lyall in 1858; upper 
Nisqually Valley, Allen 126; Columbia River, latitude 46° to 49°, Lyall in 1860; Lake 
Chelan, Lake & Hull 445; Pullman, Piper 1871; Blue Mountains, Piper, July, 1896; Wa- 
wawai, Piper 3817, 3816; without locality, Vasey 215, 216; without locality, Cooper 1854; 
Spokane, Kreager 554; Clallam County, lmer 2661. 
ZONAL DISTRIBUTION: Transition and Upper Sonoran. 
CEANOTHUS. 
Leaves opposite, dentate; procumbent shrub.............-.-.------- 1. C. prostratus. 
Leaves alternate; erect shrubs. 
Evergreen; leaves varnished._........--. 2... -.---.-.--------- 2. C. velutinus. 
Deciduous; leaves serrate; flowers white......-... 2.2.2... -.-.. 3. C. sanguineus. 
Deciduous; leaves subentire; flowers usually blue..........-..-. 4. C. integerrimus. 
1. Ceanothus prostratus Benth. Pl. Hartw. 302. 1848. 
Type Locauity: “In montibus Sacramento,’’ California. 
Rance: Washington to California. 
SPECIMENS EXAMINED: Falcon Valley, Suksdorf 644, 343; Klickitat Valley, Howell, 
May, 1878; Klickitat County, Brandegee 693. 
2. Ceanothus velutinus Dougl.; Hook. I'l. Bor. Am. 1: 125. 1830.) Sricky Laure. 
Tyre Locauity: “Subalpine hills near the source of the Columbia; and at the Kettle 
Falls.”” Collected by Douglas. The latter locality is in Stevens County, Washington. 
Rance: Washington to California, Colorado, and Dakota. 
SPECIMENS EXAMINED: Wenache Mountains, Whited 1109; Cedar Mountains, Elmer 800; 
Tacoma, Mlett 173; Falcon Valley, Suksdorf 962; Clealum, Henderson, June, 1892; Whited 
406; Peshastin, Sandberg & Leiberg 477; Kettle Falls, Douglas; Kamiak Butte, Sand- 
berg, Heller & MacDougal 501; Columbia River, Lyall in 1860; without locality, Vasey 221: 
Box Canyon, Kreager 387; Clealum Lake, Cotton 859. 
ZONAL DISTRIBUTION: Transition. 
The Sandberg, Heller, & MacDougal specimen has been published as C. velutinus laevi- 
gatus Torr. & Gr.,a but it is better referred to the species. 
3. Ceanothus sanguineus Pursh, Fl. 1: 167. 1814. Bucksrusu. 
Ceanothus oreganus Nutt.; Torr. & Gr. Fl. 1: 265. 1838. , 
Type Locariry: “ Rocky Mountains on the banks of the Missouri.’’ Collected by Lewis. 
Rance: British Columbia to Idaho and California. 
SPECIMENS EXAMINED: Olympia, //enderson, May, 1892; Nisqually Valley, Allen 111; 
Wenache Mountains, Whited, June 23, 1901 and 1233; Falcon Valley, Suksdorf 107; Manor, 
Piper, July 14, 1899; Vancouver, Piper, July 14, 1899; Trout Lake, Flett 1208; Cascade 
Mountains, latitude 49°, Lyall; Nason Creek, Sandberg & Leiberg 628; Kamiak Butte, 
Piper, July 20, 1899; Blue Mountains, Lake & Hull, July, 1892; Easton, Whited 403; 
Clallam County, Elmer 2659, 2660. 
ZONAL DISTRIBUTION: ‘Transition. 
The actual type specimen of this species is probably the sheet from the Lambert Her- 
barium, now in the Philadelphia Academy of Sciences. This is labeled “Ceanothus atro- 
purpureus. Near the foot of the Rocky Mountains on Collins Creek, June 27, 1896.” Collins 
Creek is in Idaho, now known as Lolo Creek. 
4. Ceanothus integerrimus Ilook. & Arn. Bot. Beech. Voy. 329. 1839-40. 
Type Locauity: California. 
Rance: Washington to California. ; 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf 10; Dalles [on the Washington 
side?] Lyall, Suckley; Bingen, Piper, September, 1903. 
a Contr. Nat. Herb. 3: 218. 1895, 
