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, Ereager 554; Clallam County, Elmer 2661. 



Zonal distribution: Transition and Upper Sonoran. 



CEANOTHTJS. 



Leaves opposite, dentate; procumbent shrub 1.6'. prosfratus. 



Leaves alternate; erect shrubs. 



Evergreen; leaves varnished 2.6'. velutinus. 



Deciduous; leaves serrate; flowers white 3. 6'. sanguine.uf^. 



Deciduous: leaves subentire; flowers usually i)lue 4. C. integer rimnn. 



1. Ceanothus prostratus Benth. PI. Hartw. 302. 1848. 

 Type locality: " In montibus vSacramento, " California. 

 Range: Washington to California. 



Specimens examined: Falcon Valley, Suksdorf 644, 343; Klickitat Valley, Howell, 

 May, 1878; Klickitat County, Brandegee 693. 



2. Ceanothus velutinus Dougl.; Hook. Fl. Bor. Am. 1: 125. 1830. Sticky Laurel. 

 Type locality: "Subalpine hills near the source of the Columbia; and at the Kettle 



Falls." Collected by Douglas. The latter locality is in Stevens County, Washington. 



Range: Washington to California, Colorado, and Dakota. 



Specimens examined; Wenache Mountains, Whited 1109; Cedar Mountains, £■/?«(>/■ 800; 

 Tacoma, Fleft 173; Falcon Valley, Suksdorf 9Q2; Clealum, Henderson, June, 1892; Whited 

 406; Peshastin, Sandberg d& Leiherg 477; Kettle Falls, Douglas; Kamiak Butte, Sand- 

 berg, Heller tfc MacDougal 501 ; Columbia River, Lyall in 1S60; without locality, Vasey 221; 

 Box Canyon, Ereager 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. Buckbrusii. 

 Ceanothus oreganus Nutt.; Torr. & Gr. Fl. 1: 265. 1838. 



Ty'pe locality: " Rocky Mountains on the banks of the Missouri. " Collected by Lewis. 



Range: British Columbia to Idaho and California. 



Specimens examined: Olympia, Henderson, May, 1892; Nisqually Valley, ^4//eft 111; 

 Wenache Mountains, F^ito/, June 23, 1901 and 1233; Falcon Valley, ii/y^s^o?/ 107 ; Manor, 

 Piper, July 14, 1899; Vancouver, Piper, July 14, 1899; Trout Lake, Flett 1208; Cascade 

 Mountains, latitude 49°, Lyall; Nason Creek, Sandherg c£' 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 afro- 

 purpureus. Near the foot of the Rocky Mountains on Collins Creek, June 27, 1806. " Collins 

 Creek is in Idaho, now known as Lolo Creek. 



4. Ceanothus integerrimus Hook. & Arn. Bot. Beech. Voy. 329. 1839-40. 

 Ty'PE locality: California. 



Ranc;e; Washington to California. 



Specimens examined: West Klickitat County, Suksdorf \(): Dalles [on the Washington 

 side?] Lyall, Suckley; Bingen, Piper, September, 1903. 



a Contr. Nat. Herb. 3 : 218. 1895. 



