COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE, 137 
Specimens examined: 
Arizona: Huahuaca Mountains, C. G, Pringle, July 8, 1884 (distributed as LZ. 
Jfilicinum and afterwards referred to L. porteri). 
13. Ligusticum tenuifolium Watson, Proc. Am. Acad. 14: 298. 1879, 
Stem slender, 3 to6 dm. high, naked above the base or witha single 
leaf, bearing 1 to 3 glabrous umbels; leaves small, ternate, then pin- 
nately decompound, finely dissected with laciniately divided leaflets, 
the ultimate segments narrowly linear to filiform; umbel few-rayed 
(6 to 12), with involucels of 1 or 2 narrowly linear bractlets; rays 
about 2.5 em. long; pedicels + to 6 mm. long; fruit oblong, 3 to 4mm. 
long, with narrow ribs; oil tubes 3 to 5 in the intervals, 6 to 8 on the 
commissural side. 
Type locality, ** mountains of Colorado;” collected by Fall & Har- 
bour, no. 216 (in part); type in Herb. Gray. Associated with the 
type in the original description is ‘* Wolf & Rothrock 721.” 
From the mountains of central Colorado to central Idaho and eastern 
Oregon. 
Specimens examined: ; 
Cotorapo; Middle Park, Parry, in 1864; South Park, altitude 3,150 meters, Wolf 
721, August, 1873. 
Ipano: Near Pettit Lake, Salmon River Valley, Henderson 3613, July 30, 1895; 
same station, altitude 2,145 meters, Hvermann 388, August 16, 1895, 
OrgGon: Eagle Creek Mountains, altitude 1,500 to 2,100 meters, Cusick 1057, 
August, 1883; Union, Union County, altitude 1,500 to 2,400 meters, Cusick 
1818, August, 1897, 
14. Ligusticum purpureum ©. & R., sp. nov. 
Glabrous, except the puberulencve at base of umbels and on raves; 
stems slender, 5 to 6 dm. high; leaves nearly all basal, once or twice 
ternate then pinnate; leaflets more or less distinct, ovate, and obtuse, 
1 to 2.5 cm. long, serrate above and becoming more or less lobed be- 
low; umbel few-rayed, with involucels of few linear-lanceolate bract- 
lets; rays 2 to 8.cm. long; pedicels 4 to 6 mm, long; flowers purple or 
purplish-tinged; fruit oblong, 4 mm. lone, with ribs narrow but wing- 
like; stylopodium low conical. 
Type locality, Goat Mountains (Cascades), Washington, altitude 
1,850 meters; collected by Ad/en, no, 259, September 25, 1896; type in 
U.S. Nat. Herb. 
Cascade Mountains of Washington. 
Specimens examined: 
Wasurtnaton: Sandberg & Leiberg 731a, in 1893; Mount Rainier, altitude 1,950 
meters, Piper 2009, August, 1895; type specimens as cited under type locality. 
15. Ligusticum grayi C. & R. Rev. N. Am. Umbell. 88, 18838. 
Ligusticum apiifolium minus Gray, Bot. Calif. 1: 264, 1876. 
Stems 2 to 4 dm. high, with leaves small and all nearly basal, and gla- 
brous inflorescence; leaves ternate then pinnate; the segments ovate, 
laciniately toothed: umbel of numerous rays, with involucels of sev- 
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