PIPER FLORA OF THE STATE OF WASHINGTON. 513 



CASTILLEJA. 



Annual ; stems slender, erect ; leaves entire, narrow 1. C. exilis. 



Perennials. 



Bracts whitish or yellowish ; galea shorter than the tube of the 

 corolla. 



Galea short and broad 2. C. paUescens. 



Galea slender. 



Pubescence harsh 3. C. lutescens. 



Pubescence soft, pilose. 



Lip one-third as long as the galea 4. C. camporum. 



Lip over one-half as long as the galea 5. C. levisecla. 



Bracts scarlet or crimson (occasionally yellow) ; galea as long or 

 longer than the corolla tube. 



Leaves and bracts cleft into linear lobes. 



Stems glabrous below ; bracts crimson or white 6. C oreopola. 



Stems pilose to the base; bracts scarlet. 



Galea much longer than the corolla tube 7. C. rupicola. 



Galea about equaling the corolla tube 8. C. angustifolia. 



Leaves and bracts entire, very rarely cleft. 



Stems from slender rootstocks; bracts green, with scarlet 



tips 12. C. suksdorfiii. 



Stems from a stout caudex. 



Bracts rose-purple; leaves viscid-puberulent 9. (7. elmeri. 



Bracts scarlet; spikes very dense. 

 Leaves glabrous ; bracts entire. 



Plants erect ; leaves rather thin 10. C. miniata. 



Plant decumbent ; leaves thick 1 1. C. dixonii. 



Leaves puberulent, not viscid; bracts, or some 



of them, lobed or toothed 13. C. crispula. 



1. Castilleja exilis A. Nelson, Proc. Biol. Soc. Wash. 17: 100. 1904. 

 Castilleja stricta Rydberg, Mem. N. Y. Bot. Gard. 1: 354. 1900, not DC. 1846. 

 Type locality: Ruby Valley, Nevada. 



Range: Washington to Montana, Nevada, and Utah. 



Specimens examined: Yakima City, Piper 2845; Satus, Elmer 1066; Toppenish, Orif- 

 fiths tfe Cotton 111; Priest Rapids, Cotton 1395. 

 Zonal distribution: Upper Sonoran. 



2. Castilleja paUescens (A. Gray) Grcenman, Bot. Gaz. 26: 266. 1898. 

 Orthocarpus jmllescens A. Gray, Proc. Am. Acad. 7: 384. 1868. 

 Euchroma paUescens Nutt.; A. Gray, loc. cit. as synonym. 

 Orthocarpus parryi A. Gray, Am. Nat. 8: 214. 1874. 



Type locality: None given. 



Range: Washington and Oregon to Montana and Wyoming. 



Specimens examined: Columbia River, latitude 46° to 49°, Lyall in 1860; Wenache, 

 Whited 1079; Ellensburg, Piper 2703; Klickitat River, Flett 1144; Mount Adams, Flett 

 1177; Henderson, 2269, August 9, 1892; Pasco, IIindshaw29; Piper, May 26, 1899; Kittitas 

 Mountains, Whited, May 27, 1896; Loomis, Elmer 569, 593; Sprague, Sandberg <& Leiherg , 

 June, 1893; Coulee City, Henderson, July 11, 1892; Spangle, Piper, June 24, 1899; Douglas 

 County, Henderson 2267; Spokane County, Henderson 2268; without locality, Vasey in 

 1889; Coulee City, Piper 3852. 



Zonal distribution : Upper Sonoran and Arid Transition. 



Geyer's 291 referred by Hooker to C. septentrionalis Lindl. is C. paUescens. The "C. 

 pallida Kunth" of Cooper's Report, page 67, is probably this species. 

 29418—06 M 33 



