Flora of the State of Washington. VI. 269 
188. Valeriana sitchensis var. Scouleri (Rydberg) Piper, l. c., p. 533. 
Valeriana scouleri Rydberg, Mem. N. Y. Bot. Gard., I, 377; 1900. — 
Valeriana capitata var. Hookeri Torr. & Gr. Fl., II, 48; 1841, not V. Hooke- 
riana Wight & Arn. 1834. — Washington and Oregon to Montana. 
189. Valerianella mamillata (Suksdorf) Piper, 1. c., p. 534. 
Aligera mamillata Suksd.; Deutsch. Bot. Monatss., IV, 147; 1897. — 
Known only from the type locality. 
190. Agoseris glauca var. scorzoneraefolia (Schrad.) Piper, l. c., p. 542. 
Ammogeton scorzoneraefolium Schrad. Cat. Sem. Goett, 7, 1833. — 
Troximon glaucum var. dasycephalum Torr. & Gr. Fl, II, 490; 1843. — Ago- 
seris scorzoneraefolia Greene, Pittonia, II, 177; 1891. — British Columbia 
and Alberta to Oregon, Colorado, and Dakota. 
191. Agoseris glauca var. aspera (Rydberg) Piper, l. c., p. 542. 
Agoseris leontodon var. asperum Rydberg, Mem. N. Y. Bot. Gard., I, 
457; 1900. — Troximon glaucum var. asperum Piper, Mazama, II, 96 
1901. — Washington to Montana. 
192. Agroseris heterophylia subsp. normalis Piper, Le, p. 544. 
The fact seems to have been overlooked that the name A. hetero- 
Phylla belongs to the plant commonly called A. heterophylla var. kymapleura 
and that the commonest form of this remarcably variable species has 
never been christened. 
Specimens examined: West Klickitat County, Suksdorf 1648, 2312; 
Ellensburg, Piper 2688; Falcon Valley, Suksdorf 580; Wenache, 
Whited 1094, in 1895; Spokane, Kreager 165; Hangman Creek, Sand- 
berg & Leiberg 59: without locality, Vasey 559, 560; without locality. 
Brandegee 928; along Tukanon River, Lake & Hull, July 5, 1892. 
Zonal distribution: Arid Transition. 
193. Agoseris heterophylla var. californica (Nutt.) Piper, l. c., p. 544. 
Cryptopleura californica Nutt. Trans. Am. Phil. Soc., VII. 430; 1841. 
— Troximon heterophyllum var. cryptopleura Greene, Bull. Torr. Club, X, 88; 
1888. — Agoseris heterophylla var. cryptopleura Greene, Pittonia, II, 179; 
1891. — Troximon heterophyllum var. cryptopleuroides Suksdorf, Deutsch. Bot. 
Monatss., XVIII. 98; 1900. — Washington to California. 
194. Agoseris heterophylla var. glabrata (Suksdorf) Piper. l. c., p. 544. 
Troximon heterophyllum var. glabratum Suksdorf, Deutsch. Bot. Monatss., 
XVIII, 98; 1900. — Agoseris heterophylla var. glabra Howell, Fl. N. W. Am. 
402, 1901. — Washington and Oregon. 
195. Xanthium oligacanthum Piper. l. c., p. 551. 
Stem erect or spreading, 30 to 60 cm high, sparsely hispid; leaves 
reniform-orbicular, obscurely lobed and crenate, harshly scabrous, hispid 
9n both faces, the petioles as long or longer than the blades; fruiting 
involucres oblong, the body 1,5.em long, 5 to 7 mm thick, the stout 
beaks somewhat incurved; prickles 15 to 25, uncinate-tipped, about as 
long as the diameter of the fruit; surface of the fruit and base of prickles 
pubescent. 
Bolles, Walla Walla County, Piper, September 18, 1893; also found 
at Waitsburg by Horner (no. B272). The type is in the National Her- 
