PIPER—FLORA OF THE STATE OF WASHINGTON. 943 
2. Chenopodium hybridum L. Sp. Pl. 1: 219. 1753. 
Tyre Locatiry: European. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1858-59; Wenache, 
Whited 65; Yakima, Piper 1798; Rock Lake, Lake & Hull, August 3, 1892; Loomis, 
Elmer 590; Waitsburg, Horner 418; Pend, Oreille River, Lyall in 1861; Clarks Springs, 
Kreager 567. 
3. Chenopodium botrys L. Sp. Pl. 1: 219. 1753. 
Tyre Locauiry: ‘Habitat in Europae australis arenosis.”’ 
SPECIMENS EXAMINED: Almota, Piper 1824; without locality Vasey in 1889; Belleview, 
Kreager 496. 
4. Chenopodium leptophyllum (Moq.) Nutt.; 5. Wats. Proc. Am. Acad. 9: 94. 1873. 
Chenopodium album leptophyllum Mog. in DC, Prod. 18°: 71. 1849. 
Type Locauiry: ‘In Nova California (Nuttall); Laplatte, Gordon.”’ 
Rance: Washington to Saskatchewan, southward to Arizona and Missouri. 
SPECIMENS EXAMINED: Columbia River above Chelan River, Watson 338; Great Northern 
Tunnel, east side, Piper, July, 1895; Moses Lake, Sandberg & Leiberg 377; Crab and Wilson 
creeks, Sandberg & Leiberg 316; Ellensburg, Piper, July 9, 1897; Pasco, Piper 2963; Waits- 
burg, /Torner 1089. 
ZONAL DISTRIBUTION: Upper Sonoran. 
5. Chenopodium rubrum L. Sp. Pl. 1: 218. 1758. 
Type LocaLity: European. 
Rance: British Columbia to Newfoundland, south to Oregon, Nebraska, and New 
Jersey. Europe. Asia. 
SPECIMENS EXAMINED: Cascade Mountains near Columbia River, Suksdorf 670; Bingen, 
Suksdorf 2325; Wawawai, Piper in 1901; Meyers Falls, Areager 512. 
ZONAL DISTRIBUTION: Upper Sonoran? 
5a. Chenopodium rubrum humile (Iook.) 5. Wats. Bot. Cal. 2: 48. 1880. 
Chenopodium humaile Hook. Fl. Bor, Am, 2: 127. 1888. 
Type Locauity: ‘“ Marshes of the Saskatchewan.’’ 
Ranae: British Columbia to Manitoba, south to California and Colorado. 
SPECIMENS EXAMINED: Port Townsend, Edwards in 1896; Seattle, Piper 2857; Shoal- 
water Bay, Henderson 694. 
ZONAL DISTRIBUTION: Humid Transition. 
BLITUM. 
1. Blitum capitatum L. Sp. Pl. 1:4. 1753. Bute. 
Tyre Locauitry: ‘ Habitat in Europa: praesertim in comit. Tyrolensi.’’ 
Range: Yukon to California, the Great Lakes, and New Mexico. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1859; Spokane, Piper, 
June 25, 1897; Pullman, Hull 682; Piper, July 25, 1900. 
ZONAL DisTRIBUTION: Arid Transition. 
MONOLFEPIS. 
Leaves oblong, entire; flowers mostly solitary -.....--..-.----------- 1. M. pusilla. 
Leaves lanceolate to spatulate, often dentate; flower clusters dense. .... 2. M. nuttalliana. 
1. Monolepis pusilla Torr.; 5S. Wats. Bot. King Explor. 289. 1871. 
Type Locauity: ‘ Near Carson City, and rather frequent in the alkaline valleys of West- 
ern Nevada.” 
Rance: Eastern Washington to Nevada. 
SPECIMENS EXAMINED: Coulee City, Piper 3886; Crab and Wilson creeks, Sandberg & 
Leiberg 241; Morgans Ferry, Suksdorf 446. 
ZONAL DISTRIBUTION: Upper Sonoran. 
