COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 237 
Washoe County, Nev., and Nevada County, Cal. 
Specimens examined: 
Nevapa: Type specimens as cited under type locality. 
CALirorNniA: Near Truckee, Nevada County, Sonne, May 23, 1886. 
53. Lomatium bicolor (Watson) C. & R. 
Peucedanum bicolor Watson, Bot. King Surv. 129. 1871. 
Caulescent or scarcely so, 1 to 4.5 dm. high, glabrous or slightly 
puberulent; petioles wholly dilated; leaves ternate then pinnately 
decompound, the ultimate segments very numerous and_ filiform; 
umbel very unequally 2 to L0-rayed, with involucels of 1 to 8 linear- 
subulate bractlets; rays 2.5 to 12.5 cm. long: pedicels short; flowers 
yellow; fruit linear-oblong, glabrous, 10 to 12 mm. long, 2 to 5 mm. 
broad, with very narrow wings and nearly obsolete dorsal and inter- 
mediate ribs; oil tubes large and solitary in the intervals, 2 on the 
commissural side. 
Type locality, Parleys Park, ** Wasatch Mountains, Utah,” altitude 
1,500 to 1,950 meters; collected by Watson, no. 467, May—June, 1869; 
type in U. S. Nat. Herb. 
Utah and Idaho, and adjacent Wyoming. 
Specimens examined: 
Uran: Type specimens as cited under type locality; City Creek Canyon, altitude 
1,920 meters, Jones 1718, May 15, 1880; same station, Jones, June 6, 1898. 
Ipano: Kootenai County, Leiberg 474, May, 1890; Weisners Peak, Kootenai 
County, Sandberg 596, July 8, 1892; Coeur d’ Alene River, Kootenai County, 
Leiberg 631, May-July, 1892. , 
Wromine: La Barge, Uinta County, Stevenson, July 21, 1894. 
Mr. M. E. Jones writes as follows in reference to this species: ‘‘This plant, which 
is sporadic in its type locality in Utah, here reaches its full development on the 
gumbo soil of Idaho. Thefe are acres of it.”’ 
54, Lomatium anomalum Jones, sp. nov. 
Caulescent, glabrous, or somewhat puberulent, rather stout, 3 to 
4.5 dm. high, tufted from a large root; stem leaves 2, large, with 
wholly dilated petioles, ternate and then once or twice pinnate; ulti- 
mate segments linear-lanceolate to oblanceolate, acute, often lobed, 1 
to 7.5 em. long, 2 to 16 mm. broad; fertile umbels unequally 5 to 15- 
rayed, with involucels of linear or setaceous bractlets; rays 5 to 
15 em. long; pedicels 3 to 6 mm. long: flowers yellow, with glabrous 
ovaries; fruit from elliptical and 6 mm. long to narrowly oblong and 
12 mm. long, + to 5 mm. broad, with wings not half to nearly as 
broad as body, and prominent more or less winged dorsal and inter- 
mediate ribs; oil tubes very large, solitary in the intervals, 4 on the 
commissural side. 
Type locality, rocky gumbo soil, slopes of Indian Valley, Wash- 
ington County, Idaho, altitude 1,200 meters; collected by Jones, July 
15, 1899; type in Herb. Jones, duplicate in U.S. Nat. Herb, 
Idaho and adjacent Oregon. 
