PIPER—FLORA OF THE STATE OF WASHINGTON. 545 
Tyree Locauity: Klickitat County, Washington. 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: West Klickitat County, Suksdorf 2312. 
TARAXACUM. 
1. Taraxacum taraxacum (L.) Karst. Deutsch. FJ. 11388. 1880-83. DANDELION. 
Leontodon tararacum L. Sp. Pl. 2: 798. 1753. 
Tararacum officinale Weber, Prim. F]. Hols. 56. 1780. 
Tyre Locauity: “Hab. in Europae pascuis.” 
The common dandelion is established as a weed in nearly all parts of the State. 
CREPIS. 
Akenes dilated at the insertion of the pappus; low glaucous plant with 
running rootstocks. . 2.2.2.2... 222-2222. 2 2 eee ee ee eee ee ee ee ee ee 1. C. nana. 
Akenes not dilated at the insertion of the pappus; plants without root- 
stocks. 
Foliage green, not canescent nor scurfy. 
Stems leafless or nearly so............-.-2-.-2-2------0---- 2. C. runcinata. 
Stems leafy; cauline leaves clasping...-.-...-.-.----------- 3. C. virens. 
Fcliage mostly white-pubescent, scurfy. 
Plants 10 to 30 cm. high; involucre with 9 to 24 principal bracts. 
Involucre glandular-hirsute ..............-.-.---.----- 4 C. occidentalis, 
Involucre hirsute, not glandular. 
Akenes beaked; pubescence hirsute..............-.. 5. C. rostrata. 
Akenes not beaked; pubescence tomentose.......... 6. C. glareosa. 
Plants 40 to 60 em. high; involucre with 5 to 10 principal bracts. 
Involucre bearing bristle-like appendages on the back. ... 9. C. barbigera. 
Involucre without bristle-like appendages. - 
Bracts of the involucre glabrous. .........-.2.----- 7. C. acuminata. 
Bracts of the involucre canescent............--..-- 8. C. gracilis. 
1. Crepis nana Richards. Bot. App. Frankl. Journ. ed. 2. 757. 1823. 
Type Locauiry: “On the Copper Mine River.” 
Rance: Arctic regions, south to California and Colorado. 
SPECIMENS EXAMINED: Olympic Mountains, /7/ett 810; Mount Adams, Suksdorf in 1904. 
ZONAL DISTRIBUTION: Arctic. 
* 2. Crepis runcinata (James) Torr. & Gr. Fl. 2: 487. 1843. 
Hieracium runcinatum James, Long Exped. 1: 453. 1823. 
Crepidium runcinatum Nutt. Trans. Am. Phil. Soc. 7: 436. 1841. 
Type Loca.itry: ‘In depressed grassy situations along the Platte.” 
RanGeE: Washington to Saskatchewan, south to Utah and Colorado. 
SPECIMENS EXAMINED: Ellensberg, Piper 2665; Whited 695; Toppenish, Henderson, 
May 28, 1892; Wilbur, Henderson, in 1889, July 12, 1892; without locality, Vasey; 
Sprague, Sandberg & Leiberg 208; Kittitas Valley, Cotton 1217. 
ZONAL DISTRIBUTION: Arid Transition. 
3. Crepis virens L. Sp. Pl. ed. 2. 2: 1134. 1763. 
Malacothrix crepoides A. Gray, Pac. R. Rep. 127: 49. 1860. 
Crepis cooperi A. Gray, Proc. Am. Acad. 9: 214. 1874. 
Tyre Locaity: “ Habitat in Helvetiae, Italiae agris.” 
SPECIMENS EXAMINED: Olympia, Kincaid, July 4, 1896; Seattle, Piper, July 10, 1895; 
Suksdorf 1640; Clarke County, Suksdorf 29; Tacoma, Piper. 
29418—06 M— 
3D 
