PIPER—FLORA OF THE STATE OF WASHINGTON. 607 
Rance: British Columbia to Oregon. Asia. Europe. 
SPECIMENS EXAMINED: Whatcom County, Suksdorf 975; Fairhaven, Piper; west Klick- 
itat County, Suksdorf 127,656; Manor, Piper, July 10, 1899; Kalama, Piper, October 30, 
1901. 
ZONAL DIsTRIBUTION: Humid Transition. 
4. Gnaphalium decurrens californicum (DC.) A. Gray, Bot. Cal. 1: 341, 1876. 
Gnaphalium californicum DC. Prod. 7: 224. 1865-8. 
Type Loca.iry: California. 
Rance: Washington and Idaho to California. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1859; Falcon Valley, 
Suksdorf 33; Mount Adams, Flett 1067; Kittitas County, Sandberg & Leiberg 700; Pend 
Oreille River, Lyall in 1861. 
ZONAL DISTRIBUTION: Arid Transition and Canadian. 
5. Gnaphalium microcephalum Nutt. Trans. Am. Phil. Soc. 7: 404. 1840. 
Type Locatiry: “St. Diego, Upper California.” 
Rance: British Columbia to Idaho and California. 
SPECIMENS EXAMINED: Port Ludlow, Binns, August 15,1890; Port Townsend, Edwards 
33; Anacortes, Henderson, July 5, 1892; Tacoma, Flett 138; upper Nisqually Valley, Allen 
223; Peshastin, Sandberg & Leiberg 830; Leavenworth, Savage 25; Whited 245; Tumwater 
Canyon, Whited 1458; Spokane, Piper, August 28, 1898; Newport, Kreager 454. 
ZONAL DISTRIBUTION: Transition. 
6. Gnaphalium chilense Spreng. Syst. 3: 480. 1826. 
Gnaphalium sprenglii Hook. & Arn. Bot. Beech. Voy. 150. 1838. 
Gnaphalium luteo-album occidentale Nutt. Trans. Am. Phil. Soc. 7: 403. 1841. 
TypELoca.ity: California. There collected by Chamisso, but the specimens erroneously 
attributed to Chile. 
Rance: Washington to California and Texas. 
SPECIMENS EXAMINED: Seattle, Piper 1076; North Yakima, Watt, August, 1895; Piper 
1786; Lake Chelan, Lake & Hull 745; Pullman, Piper, October 5, 1897; Waitsburg, 
Horner 412; Alma, Elmer 544; Toppenish, Cotton 777, Prosser, Cotton 896. 
ZONAL DISTRIBUTION: Transition. 
ADENOCAULON. 
1. Adenocaulon bicolor Hook. Bot. Misc. 1: 19. ¢. 75. 1830. . 
Type Locauity: “In sylvis densis apud Fretum de Fuca, atque prope Fort Vancouver 
ad flumen Columbiae, in ora occidentali Americae Septentrionalis.” Collected by Scouler. 
Rance: British Columbia to California and east to Lake Superior. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1859; Olympic 
Mountains, Edwards in 1889; Silverton, Bouck 87; Seattle, Piper, July, 1891; upper Nis- 
qually Valley, Allen 12; Peshastin, Sandberg & Leiberg 598; Stehekin, Whited 1400; Max- 
field, Henderson, June 22, 1892, Skagit Pass, Lake & Hull 806; Railroad Creek, Elmer 859; 
without locality, Vasey 490; without locality, Geyer 523; Mount Carlton, Kreager 214. 
ZONAL DISTRIBUTION: Humid Transition. 
PSILOCARPHUS. 
Heads covered with long loose woolly hairs. 
Erect, 6 to 15 cm. high; heads sparsely woolly ......-.-.------- 1. P. elatior. 
Dwarf; heads very woolly ..........-.-------.--------------- 2. P. brevissimus. 
Heads covered with short close wool. 
Prostrate; leaves oblong or elliptic... ....-...-.-.------------- 3. P. tenellus. 
Ascending; leaves narrowly oblanceolate. .........-.----------- 4. P. oreganus. 
