542 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 
Flowers yellow; leaves mostly lobed. 
Akenes with beak 12 to 15 mm. long; leaves mostly 
entire.... 22.22.2222 000220 00000222 5. A. elata. 
Akenes with beak 8 to 10 mm. long; leaves mostly 
lobed... 2... 2..--222-22-22--2-0--0-2-002--0--- 6. A. apargioides. 
Beak much longer than the body of the akene. 
Annuals; heads small. ..............22..22.22.2----- 10. A. heterophylla. 
Perennials; heads large. 
Apex of akene truncate; herbage tomentose... . . . - 7. A. retrorsa. 
Apex of akene attenuate. 
Heads 2 em. high..........22222222..-. -.-.. 8. A. ldaciniata. 
Heads 2.5 to 3 em. high Lecce eee eeeee Lee eee 9. A. grandiflora. 
1. Agoseris alpestris (A. Gray) Greene, Pittonia 2: 177. 1891. 
Troximon alpestre A. Gray, Proc. Am. Acad. 19: 70. 1883. * 
Type LocaLiry: Mount Adams, Washington. Collected by Suksdorf. 
RanGE: Cascade Mountains of Washington and Oregon. 
SPECIMENS EXAMINED: Mount Rainier, F'lett 248, 273, 272; Piper 2140, 493; Allen 288; 
Mount Adams, Suksdorf 422; near Mount Adams, Henderson, August 5, 1892. 
ZONAL DISTRIBUTION: Arctic. 
2. Agoseris glauca (Nutt.) Greene, Pittonia 2: 177. 1891. 
Trorimon glaucum Nutt. Gen. 2: 128. 1818. 
Type LocaLity: ‘‘On the banks of the Missouri.”’ 
Rance: British Columbia and Alberta to Oregon, Colorado, and Dakota. 
SPECIMENS EXAMINED: Cascade Mountains, latitude 49°, Lyall in 1860; Ellensburg, 
Whited 507; Toppenish, Henderson, May 28, 1892; Peshastin, Sandberg & Leiberg 490; 
Spangle, Piper 2873; Spokane, C. A. Ramm in 1883; Spokane County, Suksdorf 383; 
Beaver Creek, Whited 233; Loomis, Elmer 552; Pullman, Piper 3, 1769, 1862; Union Flat, 
Mull, July 18, 1892; Waitsburg, Horner 345; Walla Walla Region, Brandegee 930; without 
locality, Vasey 557; Clarks Springs, Kreager 104. 
ZONAL DISTRIBUTION: Arid Transition. 
2a. Agoseris glauca scorzoneraefolia (Schrad.). 
Ammogeton scorzoneraefolium Schrad. Cat. Sem. Goett. 7. 1833. 
Troximon glaucum dasycephalum Torr. &. Gr. Fl. 2: 490. 1843. 
Agoseris scorzoneraefolia Greene, Pittonia 2: 177. 1891. 
TYPE Loca.ity: ‘ America borealis arctica.”’ 
Rance: Nearly identical with that of A. glauca. 
SPECIMENS EXAMINED: Spokane County, Geyer 666; Fort Simcoe, Lyall in 1860; Pull- 
man, Piper 3027, 3029, 3536. 
This plant differs from A. glauca only in having a pubescent involucre. It is scarcely 
worth nomenclatorial recognition. 
2b. Agoseris glauca aspera (Rydberg). 
Agoseris leontodon asperum Rydberg, Mem. N. Y. Bot. Gard. 1: 457. 1900. 
Troximon glaucum asperum Piper, Mazama 2: 96. 1901. 
TYPE LocALity: Mount Chauvet, Idaho. 
RanaeE: Washington to Montana. 
SPECIMENS EXAMINED: Mount Rainier, Piper 2149; Allen 226; Wenache Mountains, 
Elmer 455; North Fork Bridge Creek, Elmer September, 1897. 
ZONAL DISTRIBUTION: Arctic. 
3. Agoseris aurantiaca (Hook.) Greene, Pittonia 2: 177. 1891. 
Troxrimon aurantiacum Hook. Fl. Bor. Am. 1: 300. pl. 104. 1833. 
Tyre Locauity: “Alpine prairies of the Rocky Mountains.” 
