DISTRIBUTION OF ADENOSTEGIA 415 
County, Eggleston 6205; Goose Lake Valley, Lassen County, Mrs. 
Austin 245. NEVADA: Kings Cafion, Ormsby County, Baker 1499; 
Quinn River Crossing, Humboldt County, Griffiths & Morris 139; 
Tuscarora, Elko County, Heller 9182; same locality, Kennedy 606; 
Blaine, Elco County, Heller 11115; Humboldt Wells, Elco County, 
Heller 9182; hills around Austin, Lander County, Kennedy 4038; 
Toyabe Range, Lander County, Kennedy 4093; Wells, Lander 
County, August, 1882, Jones. IpAHO: Pocatello, Snake Plains, 
Palmer 408; near big Camas Prairie, Henderson 3160; Dry 
Creek, Snake Plains, Palmer 336; Houston, Henderson 37090; 
Flint Creek, Owyhee County, MacBride 496; Blackfoot, Snake 
Plains, Palmer 292; Minidoka, Lincoln County, Nelson & Mac- 
Bride 1313. Utan: Parley’s Park, Summit County, Smith 1887; 
Echo Cajfion, Watson 817. Montana: Grasshopper Valley, 
southwest Montana, Watson 323. WyominG: Fossil Station, 
August 10, 1885, Letterman; Dubois, Nelson 711; Evanston, July 
10, 1897, Williams; river bottoms, Carbon County, Tweedy 
3409; Cokeville, Cary 704; Crook Creek, Fremont County, 
Goodding 528; Fort Bridger, July 29, 1873, Porter; Slater, Colo- 
rado-Wyoming line, Carbon County, Goodding 1727. COLORADO: 
Mancos, July, 1890, Miss Eastwood. . 
14. ADENOSTEGIA WricuTit (Gray) Greene 
Cordylanthus Wrightii Gray, Bot. Mex. Bound. 2: 120. 1859; 
Gray, Proc. Am. Acad. 7: 382; Wats. Bot. King’s Exped. 459; 
Gray, Syn. Fl. 2!: 453; Coulter, Contr. U.S. Nat. Herb. 2: 
316; Coulter & Nelson, Man. Bot. Rocky Mts. 462. 
Adenostegia Wrightii Greene, Pittonia 2: 180. 1891; Kuntze, 
Rev. Gen. 2: 457; Wooton & Standley, Contr. U. S. Nat. 
Herb. 19: 590. 
Paniculately branching annual, 3-5 dm. high; inconspicuously 
puberulent or in age glabrous; leaves linear-filiform, often dis- 
sected; heads five- to ten-flowered, spreading; floral bracts 18-20 
mm. long, glabrous, deeply divided into dissected, filiform divi- 
sions; upper calyx-leaf 23-28 mm. long, five-nerved, shallowly 
bidentate, lower calyx-leaf 24-30 mm. long, three- to four-nerved, 
tip lanceolate or two- to four-toothed, the teeth 1-4 mm. long; 
corolla 22-30 mm. long, the tube longer than the throat; stamens 
four, the anthers two-celled, the filaments villous; capsule 11-12 
mm. long; seeds reticulate. [PLATE 10, FIG. 15. 
