7, 
COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 201 
nal description are //owe/l of 1879 and Mrs. P. G. Barrett of 1884, 
both cited below. 
Rocky hillsides near the Columbia, in Washington and Oregon, chiefly 
between Hood River and the Dalles. 
Specimens examimed: 
WasHIncton: Simcoe Mountains, Howell, June, 1879; type specimens as cited 
under type locality; same station, Suksdorf 26, March (flower) and June 
(fruit), 1881; near the Dalles, Henderson, in 1892. 
OreGon: Near the Dalles, Howell, May, 1880; Hood River, Mrs. P. G. Barrett, in 
1884. 
Mr. Howell writes that this species seems to be very local, probably being restricted 
to a region less than 20 miles square. 
8. Leptotaenia watsoni ©. & R. Rev. N. Am. Umbell. 52. 1888. 
About 3 dm. high or less, rather stout, somewhat branching; leaves 
few and small, at or near the base, ternate-pinnately decompound. the 
ultimate segments very small, ovate and cuspidate ; umbel with 5 to 
10 variously elongated divaricate rays, no involucre, and inyolucels of 
few setaceous bractlets; rays 5 to 10 cm. long; fruiting pedicels (2 to 
8 or 10 in number) about 1 em. long and divaricate; fruit (immature) 
12 mm. long; oil tubes 3 in the intervals; seed face concave, 
Type locality, ‘tin the Wenatchee region,” Kittitas County, Wash., 
altitude 1,200 meters; collected by Brandegee, no. 801, and Tiveedy, 
no. 848, July, 1883; type in Herb. Canby (now in College of Phar- 
macy, New York City). 
Only known in the region of the type locality. 
Specimens examined : 
WasHineaton: Type specimens as cited under type locality; slopes of Mount 
Stuart (Cascades), Wenatchee Valley, altitude 1,220 meters, Sandberg & Lei- 
berg 808, August 28, 1893; same station, altitude 1,950 meters, /’/mer 1171, 
July, 1898. 
9. Leptotaenia salmoniflora UC. & I. 
Peucedanum salmoniflorum C. & R. Contr. Nat. Herb. 3: 228. 1895, 
Short caulescent or sometimes tall, 3 to 4.5 dm. high, bearing 8 or 4 
leaves, glabrous throughout; leaves large, ternately decompound, finely 
dissected; ultimate segments short-filiform; umbel few (4 to 10) and 
somewhat unequally-rayed, with no involucre, and involucels of few 
filiform bractlets; rays 2.5 to 5 cm. long; pedicels 8 to 12 mm. long; 
flowers salmon color; fruit oblong, 10 mm. long; dorsal and interme- 
diate ribs low and obtuse; lateral wings narrow ; oil tubes solitary in 
the intervals, 2 on the commissural side; seed somewhat constricted 
near the middle. 
Type locality, ‘ton basaltic rocks, near upper ferry, Clearwater 
River, above Lewiston,” Nez Perees County, Idaho; collected by 
Sandberg, no. 24, April 24, 1892; type in U.S. Nat. Herb. 
On basaltic rocks, Nez Perces County, Idaho, and eastern Washing- 
ton (Whitman County). 
