560 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Type locality: "Northwest coast of America." Collected by Douglas. 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Yakima region, Brandegee 841; Klickitat Prairie, HoweU in 

 1880; White Salmon, iSw^sdor/* 391; Tshiraikaine[Chamokane],Gcycr588; Spokane County, 

 Suksdorf 336. 



Zonal distribdtion: Arid Transition. 



la. Hoorebekia carthamoides cusickii (A. Gray). 



Aplojxippus carthamoidfs cusickii A. Cfraj-, Syn. Fl. 1-: 126. 1884. 



Pyrrocoma cusicJcii Greene, Erythea 2: 59. 1894. 



TiPE LOCALmr: " Union Co., Oregon." Collected by Cu.sick. 



Range: Washington and Oregon. 



Specimens examined: Falcon Valley, Suksdorf, July 17, 1886; Kamiak Butte, Piper, 

 July 20, 1899. 



Zonal distribution : Arid Transition. 



2. Hoorebekia racemosa (Nutt.). 



IIoiito}>appus racemosus Nutt. Trans. Am. Phil. Soc.7: 332. 1840. 



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



Apiopappus racemosus Torr. in Sitgrcaves Rep. 162. 1853. 



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



Range: British Columbia to Saskatchewan, south to Nevada. 



Specimens examined: Spokane County, iSi/Jtw/o// 337 ; Pulhnan, Pi/«7- 1572. 



Zonal dlstribution: Arid Tran-sition. 



3. Hoorebekia hirta (A. Gray). - - 

 Aplopappus hirtus A. Gray, Syn. Fl. 1'^: 127. 1884. 



Pyrrocoma hirta Greene, Erythea 2: 69. 1894. 



Type localitti-: Baker Co., Oregon. Collected by Cusick. 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Yakima Region, Brandeyee. 



4. Hoorebekia hallii (A. Gray). 



A])lopappus hallii A. Gray, Proc. Am. Acad. 8: 389. 1872. 



Type locality: " BluHTs of the Columbia River at the Dulles." Collected by Hall. 



Range: Washington and Oregon. 



Specimens examined: White Salmon, Suksdorf 389. 



6. 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 

 LyaU. 



Range: British Columbia to Montana and Oregon. 



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

 2,270 meters, LyaU in 1860; Mount Adams, Henderson, August 10, 1892; Uowell; Suksdorf. 



Zonal distribution: Arctic. 



6. Hoorebekia lanuginosa (A. Gray). 



Aplopappus lanuginosus 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, Brandeyee 844; Simcoe Mountains, Howell 285; 

 Blue Mountains, Piper 2430. 



Zonal distribution: Arid Transition. 



