2992 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
nately decompound into short filiform segments; umbel rather 
unequally 3 to L2-rayed, with gamophyllous involucels, 5 to 7-cleft, 
and with conspicuously hairy margins; rays 2.5 to 7.5 em. long; pedi- 
cels 6 to 10 mm. long; flowers yellow, the ovary glabrous; fruit 
broadly oblong, glabrous, 5 to 8 mm. long, 4 mm. broad, with wings 
half as broad as body, and prominent dorsal and intermediate ribs; 
oil tubes 1 to 8 in the intervals, 2 to 4 on the commissural side. 
Type locality, ‘ton the Platte,” near Independence, Jackson County, 
Mo.; collected by Nuttal/; type in Herb. Philad. Acad. 
On the plains, from Nebraska, through Kansas and Missouri, to east- 
ern Texas; perhaps with more northern extension. 
Specimens examined: 
NEBRASKA: Wymore, Gage County, Williams 132, May 25, 1888. 
Kansas: Miami County, Oyster, April, 1883; Manhattan, Bassler, May 4, 1889; 
Onaga, Creveceur, June, 1892 and 1893; Osborne County, Shear 40, May 19, 
1894. 
Missourr: Type specimens as cited under type locality; Jackson County, Bush 
322, 543, April-May, 1894 and 1896. 
InpiAn Terrirory: Limestone Gap, Butler, April, 1876. 
OKLAHOMA: [luntsville, Kingfisher County, Laura Blankinship, April 16-31, 
1896. 
Texas: Dallas, Woolson 91, in 1873; same station, Reverchon 361, March-April, 
1881. 
23, Lomatium foeniculaceum (Nutt.) C. & R. 
Ferula foeniculacea, Nutt. Gen. 1: 183. 1818. 
Lomatium villosum Rat. Jour, Phys. 89: 101. 1819. 
Cogswellia villosa Spreng. in Roem. & Schult. Syst. 6: 588. 1820. 
Peucedanum foeniculaceum Nutt. in Torr. & Gray, Fl. 1: 627. 1840. 
Acaulescent, at first densely villous but becoming more or less 
glabrate, 1 to3 dm. high; leaves finely dissected, ternate then pinnately 
decompound, with very numerous narrow crowded segments; umbel 
somewhat equally 5 to 15-rayed, with involucels of conspicuous lance- 
olate more or less united and usually very tomentose bractlets; rays 
2 to 4 em. long; pedicels 2 to 6 mm. long; flowers yellow, the ovaries 
densely pubescent; fruit orbicular to oblong, somewhat pubescent, 5 
to 8 mm. long, + to5 mm. broad, with wings half as broad as body; oil 
tubes 3 or 4 in the intervals, 4 on the commissural side; seed face 
plane. 
— Type locality, ‘ton the high plains of the Missouri, commencing 
about the confluence of the river Jauke [Yellowstone?];” collected by 
Nuttall; type not in Herb. Philad. Acad., and possibly lost. 
From the plains of Assiniboia to Texas. 
Specimens examined ¢ 
AssintBo1A: Medicine Hat and Cypress Hills, Macoun 5002, 5008, May-June, 
1894. 
Wyomina: Sheridan County, Tireedy 2427, July, 1899. 
Nortu Dakora: ‘* Bad Lands,’’ Little Missouri, Candy 150, June 80, 1883; Fort 
Buford, f/avard, May, 1889. 
