210 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
broad, with thickish narrow wings (not half as broad as body) more 
or less involute, filiform or nearly obsolete dorsal and intermediate 
ribs, and a rather prominent ridge on the commissural face; oil tubes 
solitary in the intervals, 2 on the commissural side: seed face plane. 
Type locality, on high hilltops, ‘* John Day Valley,” Oregon; col- 
lected by Howell, Bin part, May, 1882; type in Herb. Coulter. 
Associated with the type in the original description is //owell 410, 
June, 1882, from Lost Valley. 
Mountains of eastern Oregon. 
Specimens examined: 
OrEGON: Type specimens as cited under type locality. 
4. Lomatium canbyi ©. & R. 
Peucedanum canbyi C. & R. Bot. Gaz. 18: 78. 1888. 
Acaulescent, 7.5 to 20 em. high, with a short underground stem from 
a thick more or less elongated rootstock which ends in a globose tuber 
1 to 2.5 em. in diameter; leaves ternate then pinnatifid, the ultimate 
segments small, with 3 to 5 linear-oblong lobes; umbel equally 5 to LO- 
rayed, with involucels of narrowly linear scarious-margined bractlets; 
rays 2.5 to 5 cm. long; pedicels 8 to 12 mm. long; flowers white, with 
purple anthers; fruit ovate-oblong, glabrous, 8 mm. long, 5mm. broad, 
with wings about half as broad as body, and filiform dorsal and inter- 
mediate ribs; oil tubes solitary in the intervals (lateral intervals often 
with 1 or 2 accessory but shorter ones), 2 or 4on the commissural side. 
Type locality, *‘high ridges, E. Oregon;” collected by Lowell, no. 
67, April, L880, and May, 1882; type in Herb. Coulter, duplicate in 
U.S. Nat. Herb. Associated with the type in the original descrip- 
tion is Cuséch L010, in 1882 and 1884, from Union County. 
Stony ground, eastern Oregon and eastern Washington and Idaho, 
Specimens examined ; 
OREGON: Type specimens as cited under type locality; Malheur County, altitude 
750 meters, Leiberg 2149, May 14, 1896: stony ridges, Cusick 1834, May 9, 
1898. 
Wasnrineton: Klickitat Valley, Howell 1367, April 26, 1889; Yakima County, 
Fritillavia Club 23, in 1890; Whited 56, May 4, 1896. 
Ipano: On the lower Clearwater River, Nez Perces County, Sandberg 150, May 
10, 1892. 
5. Lomatium farinosum (Hook.) C. & R. 
Peucedanum farinosum Hook. in Lond. Jour. Bot. 6: 235. 1847. 
ferula farinosa Geyer, in Hook. Lond. Jour. Bot. 1. ¢. 
Short caulescent; root moniliform, with 2 or 3 small rounded tubers; 
peduncles becoming 3 dm. high, much exceeding the leaves; leaves 
ternate or biternate (or the divisions sometimes 4 or 5); leaflets linear, 
1 to 8 em. long: umbel small, somewhat unequally rayed, with involu-- 
cels of several linear acuminate bractlets: rays 2 to 5em, long; pedi- 
