188 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Pseudocymopterus montanus (Gray) C. & R. Rey. N. Am. Umbell. 
74. 1888. Fig. 56. 
Thaspium(?) montanum Gray, Pl. Fendl. 57. 1849. 
Tagusticum montanum Benth. & Hook. in Watson Bibliog. Index, 426. 1878. 
Stem erect, slender, 3 to 6 dm. high, more or less leafy, glabrous 
except at the base of the umbel or on the rays; the bipinnate leaves 
mostly with broad outline; leaflets exceedingly variable, variously cut 
or entire; umbel 6 to 12-rayed, with involucels of linear or setaceous 
bractlets longer than the yellow flowers; rays 12 to 30mm. long; ped- 
icels about 2 mm. long; fruit broadly oblong, 4 to 5 mm. long, with 
lateral wings almost as broad as body, the dorsal and intermediates 
very variable (either ribbed or narrowly winged); oil tubes 1 to 4 in 
the intervals, 4 to 6 on the commissural side; seed much flattened. 
Type locality, *“*Sunny declivities, at the foot of mountains, along 
Santa Fe Creek,” New Mexico; collected by /indler, no. 276: type in 
U.S. Nat. Herb. 
From New Mexico and Arizona to Utah, Colorado, and western 
Wyoming. 
Specimens examined : 
New Mexico: Type specimens as cited under type locality; Santa Fe Canyon, 
near Santa Fe (type locality), altitude 2,400 meters, 4. A. EB. Gertrude Heller 
3651, June 2, 1897; White Mountains, Lincoln County, altitude 2,250 meters, 
Wooton 350, August 15, 1897, 
Arizona: Flagstaff, Jones 4016, August 7, 1884; same station, Tracy 236, June 24, 
1887; about Mormon Lake, altitude 1,800 meters, Mac Dougal 106, June 12, 1898. 
Uran: Ward 330, 494, in 1875; Marysvale and Panguitch Lake, altitude 2,520 to 
2,670 meters, Jones 5367, 6015, June and September, 1894. 
Cotorapo: Halfmoon Creek, Union Creek Pass (altitude 3,600 meters), Lake 
Creek, and Clear Creek, Wolf 716, 719, 720, 724, June-August, 1873; North 
Park, Sheldon 124, July 28, 1884; Durango, Alice Kustwood, June 7, 1890; 
Cameron Pass, altitude 3,600 meters, Crandall, September 1, 1890; Williams 
Canyon, altitude 2,100 meters, Crandall, May 27, 1892; Middle Park, Beardslee 
125, August, 1892; Rabbit Ear Range, altitude 2,940 meters, Crandall, July 
20, 1894; Telluride, altitude 3,240 meters, Tweedy 204, August 25, 1894; Lead- 
ville, Osterhout, June, 1895; Gore Mountains, altitude 2,850 meters, Bethel, 
August, 1895; Leadvilleand Breckenridge, altitude 3,000 to 3,150 meters, [olz- 
inger 1, 2, May-June, 1896; Cameron Pass, altitude 3,000 meters, Baker 5, 
July 18, 1896; Pikes Peak, altitude 2,520 meters, Avnomlton 3, June 14, 1896: 
hills above Mancos (altitude 2,400 to 2,700 meters), and Cumberland Basin, 
La Plata Mountains (altitude 3,690 meters), Baker, Karle & Tracy 137, 619, 
June-July, 1898. 
Wyomina: Saw Mill Creek and Laramie Hills, Ne/son 1258, May, 1894 and 1895; 
Madison River, Yellowstone Park, 4. & EH. Nelson 5496, June 23. 1899. 
Extremely variable, but the two following forms seem to be worthy of varietal 
rank: 
~ 
Pseudocymopterus montanus tenuifolius (Gray) C. & R., 1. ¢. 75. 
Thaspium (?) montanum tenuifolium Gray, Pl. Wright 2: 65. 1853. 
Ligusticum montanum tenuifolium Watson, Bibl. Index 426. 1878. 
