214 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Oregon;” collected by Cusick, no. 1394, June, 1886; type in Herb. 
Gray, duplicate in U. S. Nat. Herb. 
Eastern Oregon and Washington, and adjacent Idaho. 
Specimens examined: 
OreGon: Type specimens as cited under type locality; near Harper Ranch, 
Malheur County, altitude 1,000 meters, Leiberg 2123, May 23, 1896. 
Wasninaton: Blue Mountains, Horner 222, June 11, 1897. 
Ipano: Julietta, Hatwai Creek, and Lake Weha, Henderson, April-June, 1894. 
In our Revision of 1888 this species was made to include a complex, and is here 
much more restricted. It is apt to be confused with L. cous, but differs in its caules- 
cent habit, stem leaves with much inflated petioles, and glabrous fruit. 
11. Lomatium cous (Watson) C. & R. 
Peucedanum cous Watson, Proc. Am, Acad. 21: 453. 1886. 
Usually acaulescent, glabrous or slightly puberulent, with roughish 
scapes 5 to 15 em. high, from a nearly globose tuber (1 to 2.5 em. in 
diameter); leaves usually pinnately compound; ultimate segments short 
linear, entire or few-toothed or cleft; umbels unequally 3 to 10-rayed., 
with involucels of broadly oblanceolate scariously margined bractlets; 
‘ays from nearly wanting to 5 cm. long; pedicels 2 mm. long; flowers 
yellow; fruit oblong, somewhat puberulent, 6 to 8 mm. long, 3 to 4 
mm. broad, with narrow wings, and prominent dorsal and intermediate 
ribs; oil tubes solitary, large, tilling the intervals, 4 to 6 on the com- 
missural side; seed face with central longitudinal ridge. 
Type locality, ** John Days Valley,” eastern Oregon; collected by 
Howell, no, 270, May, 1880; type in Herb. Gray. Associated with 
the type in the original description are //owell 418 from Antelope, and 
Cusick 358 from Union County. 
Eastern Oregon and Washington, and adjacent Idaho. 
Specimens examined : 
OREGON: Sterile stony ridges, Union County, altitude 900 to 1,200 meters, Cusick 
358, in 1884; Barren Valley, Malheur County, aititude 1,275 meters, Leiberg 
2199, June 2, 1896; Cusick 1837, April 19, 1898. 
WasHiIncTon: Wawawai, Whitman County, H/mer 97, May, 1897. 
Ipano: Lower Clearwater River, Nez Perces County, Sandberg 21, April 24, 1892; 
about Lewiston, Nez Perces County, altitude 450 to 600 meters, A. A. & EF. 
Gertrude Heller 3052, May 12, 1896. 
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12. Lomatium montanum ©. & R., sp. nov. PuaTE IX, 
Acaulescent, from a slender or somewhat enlarged and elongated 
rootstock, glabrous except the slightly puberulent inflorescence, 5 to 
20 cm. high; leaves usually twice pinnate, the leaflets short-oblong, 
obtuse, much crowded; umbel unequally 3 to 8-rayed, with involucels 
of distinct obovate more or less purplish bractlets; rays 4 to 30 mm. 
long; pedicels 2 to4 mm. long; flowers yellow; fruit oblong, glabrous, 
5 to 6 mm. long, 2 to 3 mm. broad, with wings about half as broad as 
body; oil tubes several in the intervals. 
