136 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 
rather crowded segments lanceolate to lanceolate-ovate, laciniately 
pinnatifid, toothed to entire, varying greatly in the degree and char- 
acter of cutting, the lobes ranging from very narrow and sharp to 
broad and obtuse; umbel of numerous rays, mostly with neither invo- 
lucre nor involucels; rays (fruiting) 2.5 to 5 em. long; pedicels 6 to 8 
min. long; flowers white or pinkish; fruit oblong-ovate, 6 to 7 mm. 
long, with rather prominent winged ribs; stylopodium broad and 
low; oil tubes 4 to 6 in the intervals, 8 to 10 on the commissural side. 
Type locality, ‘‘head waters of the Platte,” near Denver, Colo.; col- 
lected by J. J. Coulter, June 25, 1873; type in Herb. Coulter. 
In the Rocky Mountain region, from New Mexico and Arizona to 
Wyoming. 
Specimens examined: 
New Mexico: Rothrock, in 1874; near Las Vegas, G. A. Vasey, in 1881; Walcott, 
July 2, 1883; White Mountains, Lincoln County, altitude 2,700 meters, 
Wooton 549, August 16, 1897. 
Arizona: Bill Williams Mountain, Rusby 630, June, 1883; Bill Williams Moun- 
tain, altitude 2,100 meters, MacDougal 324, July 22, 1898. 
Uran: Canyon above Kings Meadows, altitude 1,950 meters, Ward 222, June 16, 
1875; southern Utah, Palmer 176, in 1877; Mount Ellen (Henry Mountains), 
altitude 3,000 meters, Jones 5680, July 25, 1894; Bromide Pass, altitude 
3,000 meters, Jones 5695, August 27, 1894. 
CoLorapo: Type specimens as cited under type locality; Boulder, Letterman, 
July 20, 1885; mountains near Denver, Hocham, July, 1889; La Plata Moun- 
tains, Alice Eastwood, July 23, 1890; Delta County, altitude 2,100 meters, 
Cowen 24, July 10, 1892; Red Cliff, altitude 2,400 meters, Bethel, July 2, 1894; 
Steamboat Springs, altitude 2,700 meters, Crandall, July 14, 1894; Tellu- 
ride, altitude 3,240 to 3,300 meters, Tweedy 202, 208, August 25, 1894; Gore 
Mountains, altitude 2,850 meters, Bethel, August, 1895; Elk Canyon, altitude 
2,250 meters, Crandall, August 8, 1897; La Plata Canyon, Baker, Karle & 
Tracy 546, July 12, 1898; Grand Mesa, Bethel, August, 1898; mountains near 
Pagosa Peak, altitude 2,700 to 3,600 meters, Baker, August 18, 1899. 
Wyomina: Northwestern Wyoming, Rose 207, August 15, 1893; Moose Falls, 
Yellowstone Park, A. & EF. Nelson 6580, August 21, 1899. 
The variability of the foliage suggests a possible plexus, but our material does not 
permit segregation without field study. 
12. Ligusticum goldmani C. & R. Proc. Wash. Acad. 1: 146. 1900. 
Stems 5 to 8 dm. high, glabrous throughout, somewhat branching 
above; leaves Condum-like, thrice ternate then once to twice pinnate; 
ultimate segments ovate, small, entire or toothed, acute; peduncles 
more or less verticillate, 1 to 3 dm. long; rays very numerous, 3 to 8 
em. long; pedicels slender, 8 to 15 mm. long; involucre none; involu- 
cel none or of one or two bractlets; flowers white; fruit oblong, 7 to 
8 mm. long; ribs with sharp thin wings; stylopodium as broad as 
high. 
Type locality, ‘‘Chihuahua [Mexico]; Sierra Madre, 65 miles east 
of Batopilas;” collected by 4. A. Goldman, no. 209, in 1898; type in 
U.S. Nat. Herb. 
Mountains of Chihuahua, Mexico, and southern Arizona. 
o 
