560 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Ti-i'E locality: " Northwest coast of America." Collected by Douglas. 



Range: Washington, Oregon, and Idaho. 



Specemens examined: Yakima region, Brandegee 841; Klickitat Prairie, Howell in 

 1880; White Salmon, -S^itscZor/ 391 ; Tshimikaine [Chamokane], <?eyer 588; Spokane County, 

 Suksdorf 336. 



Zonal distribution: Arid Transition. 



la. Hoorebekia carthamoides cusickii (A. Gray). 



A])Iopappus carthamoides cusickii A. Gray, Syn. Fl. 1'-: 126. 1884. 



Pyrrocoma cusicMi Greene, Erythea 2: 59. 1894. 



Type locality: "Union Co., Oregon." Collected by Cusick. 



Range: Washington and Oregon. 



Specimens examined: Falcon Valley, Sulcsdorf, -July 17, 1886; Kainiak Bufte, Piper, 

 July 20, 1899. 



Zonal distribution: Arid Transition. 



2. Hoorebekia racemosa (Nutt.). 



Iloinojiappus racernosus Nutt. Trans. Am. Phil. Soc.7: 332. 1840. 



Pyrrocoma racemosa Torr. & Gr. Fl. 2: 244. 1842. 



Aplopappus racernosus Torr. in Sitgreaves Rep. 162. 1853. 



Type locality: "Plains of the Wahlamet," Oregon. Collected by Nuttall. 



Range: British Columbia to Saskatchewan, south to Nevada. 



Specimens examined: Spokane County, (SwZ:stZo// 337; Pullman, Pi/^tr 1572. 



Zonal distribution: Arid Transition. 



3. Hoorebekia hirta (A.Gray). 



Aplopappus Jiirtus A. Gray, Syn. Fl. 1-: 127. 1884. 



Pyrrocoma hirta Greene, Erythea 2: 69. 1894. 



Type locality: Baker Co., Oregon. Collected by Cusick. 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Yakima Region, Braruleyee. 



4. Hoorebekia hallii (A. Gray). 



Aplopappus hallii A. Gray, Proc. Am. Acad. 8: 389. 1872. 



Type locality: " BluO's of the Columbia River at the Dalles." Collected by Hall. 



Range: Washington and Oregon. 



Specimens examined: White Salmon, Suksdorf 3ii^. 



5. Hoorebekia lyallii (A. Gray). 



Aplopappus lyallii A. Gray, Proc. Acad. Phila. 1863: 64. 1863. 



Type locality: Cascade Mountains, latitude 49°, at 2,270 m. altitude. Collected by 

 Lyall. 



Range: British Columbia to Montana and Oregon. 



^Specimens examined: Olympic Mountains, Flett 802; Cascade Mountains, east side at 

 2,270 meters, Lyall in 1860; Mount Adams, Henderson, August 10, 1892; Howell; Suksdorf. 



Zonal distribution: Arctic. 



6. Hoorebekia lanuginosa (A. Gray). 



Aplopappus lanuyinosus A. Gray in Torr. Bot. Wilkes Exped. 347. 1874. ■ 



Stenotus lanuginosus Greene, Erythea 2 : 72. 1894. 



Type locality: "Upper part of the north fork of the Columbia River," Washington. 

 Collected by the Wilkes Expedition. 



Range: Washington and Oregon. 



Specimens examined: Ellensburg, Piper 2701; upper Wenas River, Henderson 2291; 

 Wenache, Whited 6, 1104, 1259; Yakima, Brandegee 844; Simcoe Mountains, Howell 285; 

 Blue Mountains, Piper 2430. 



Zonal distribution: Arid Transition. 



