COULTER AND ROSE—-NORTH AMERICAN UMBELLIFERAE. 75 
Type locality, ‘‘damp shaded ridge of the Wahsatch, north of 
Parleys Park, 7,500 feet altitude;” collected by Watson, no. 440, 
June 28, 1869; type in U. S. Nat. Herb. 
From Washington and Idaho to Oregon, Utah, and southwestern 
Colorado. 
Specimens examined: 
Wasurnaton: ‘East of the Cascade Mountains to the Columbia,’’ Wilkes Exped.; 
Falcon Valley, Suksdorf, May 17, 1882. 
OrEGoN: Yamhill County, Summers, May, 1878; Cusick, in 1884. 
Ipano: Wilcox, in 1885. 
Uran: Watson 440, as cited under type locality; City Creek Canyon and Scipio, 
Jones, in 1880. 
Cotorapo: Mancos, Alice Eastivood, May 1, 1891. 
2. Orogenia fusiformis Watson, Proc. Am. Acad. 22: 474. 1887. 
Resembling O. (énearifolia, but stouter, 7.5 to 15 em. above ground, 
from a long fusiform root; leaves more compounded, 2 to 3-ternate, 
with terminal leaflets often 3-parted; leaflets 2.5 cm. or less long; 
umbels 6 to 12-rayed; rays longer; fruit about 6 mm. long, 3 mm. 
broad; lateral ribs and commissural projection smaller, 
Type locality, ‘tin Plumas County, Cal.;” collected by M/rs. R.A. 
Austin in 1880; type in Herb. Gray. This is the first specimen cited 
in the original description, and associated with it is the following: 
‘Among sagebrush near Truckee, Nevada County,” Sonne, March- 
May, 1886. 
Northeastern California (Plumas and Nevada counties) and south- 
eastern Oregon. 
Specimens examined: 
CaLIrorniA: Near Prosser Creek, Nevada County, Sonne, May—June, 1895, 
OrEGon: Leiberg 4070, in 1899, 
Orogenia fusiformis leibergi (. & R. Rev. N. Am. Umbell. 92. 1888. 
A taller, more slender form, 3 dm. or more high, with petioles cor- 
respondingly elongated. 
Type locality, ‘*sandhills in the Bitterroot Mountains, Idaho;” col- 
lected by Letherg, June, 1887; type in Herb, Coulter. 
The type specimens are the only ones known. 
This is not only a much taller plant than the species, but it blooms considerably 
later, and mature fruit may reveal characters which will compel a different reference. 
13. HESPEROGENIA C. & R. Contr. Nat. Herb. 5: 203. 1899. 
Sepals obsolete. Fruit flattened laterally, nearly orbicular or short- 
oblong, rounded at base and apex, glabrous. Carpel nearly terete in 
section, with equal, indistinct, filiform ribs and thin pericarp. Sty- 
lopodium none. Oil tubes 2 or 3 in the intervals. Seed face broad, 
slightly concave. 
Low acaulescent plants, with leaves once or twice ternate and with 
