234 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Type locality, Irelands Ranch, head of Salina Canyon, Utah, altitude 
2,400 meters; collected by Jones, no, 54385, June 15, 1804; type in 
U.S. Nat. Herb. 
From Utah through Idaho, western Wyoming, and western Montana 
to Northwest Territory. 
Specimens evamined : 
Uran: Dog Valley and Frisco, altitude 1,500 meters, Jones 1689, April 28, 1880; 
Salina Canyon (altitude 1,560 meters) and Emery (altitude 2,100 meters), 
Jones 5422, 5445, June 14-16, 1894; type specimens as cited under type local- 
ity. 
Ipano: Aimslie; near Pocatello, Palmer 12, May 20, 1898; Barton, in 1895, 
Wyomrnc: Fort Steele, Nelson 4835, June 18, 1898. 
Montana: Belt’ River, Willams 150, April 24, 1881; Jefferson County, Tweedy, 
June, 1888, 
NortHwesr Territory: Along Maple Creek, Macoun, May, 1884. 
47. Lomatium mohavense ©. & RK. 
Peucedanum mohavense C. & R. Rev. N. Am. Umbell. 62. 1888. 
Resembling 4. fomentosum in habit, but with much more strigose 
pubescent leaves, which are dissected into very small much crowded 
linear-oblong or obovate obtuse segments; umbel somewhat unequally 
6 to 10-rayed, with involucels of linear to lanceolate acuminate bract- 
lets; fertile rays 2.5 to 5 em. long; pedicels + to S mm. long; flowers 
probably white; calyx teeth obsolete; fruit broadly elliptical to almost 
orbicular, with close fine pubescence, 8 to 10 mm. lone, 6 to 8 mm. 
broad, with wings not as broad as body, and prominent and approxi- 
mate dorsal and intermediate ribs; oil tubes 3 or 4 in the intervals, 8 
to LO on the commissural side. 
Type locality, ‘* Yucca, Mohave Desert, California:” collected by 
M.A. Curran, June, 1884; type in Herb. Coulter, fragments in U.S. 
Nat. Herb. 
Southeastern California. 
Specimens examined : 
CALIFORNIA: Type specimens as cited under type locality; also probably the fol- 
lowing plants: Morongo Pass, San Diego County, Parish 597 B, April, 1882; 
Hesperia, Mohave Desert, Parish 3608, June 14, 1895. 
Parish 3608 has smaller fruit than the type, but otherwise seems to represent the 
species. 1. macdougali of Arizona approaches this species most nearly, but 1. moha- 
vense has much harsher pubescence throughout (that of the fruit being much stronger 
and harsher), white flowers, and usually larger fruit. 
48. Lomatium argense (Jones) C. & R. 
Peucedanum argense Jones, Contr. Western Botany no. 8: 30, 1898. 
Acaulescent, with stout peduncles 1 to 3 dm. high and somewhat 
exceeding the leaves, the whole plant hoary with short pubescence ; 
leaves pinnately decompound (or the primary division appearing ter- 
nate); the ultimate segments very small and thick, oblong to obovate, 
apiculate; umbel nearly equally LO to 15-raved, with involucels of linear 
