COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 159 
dilated petioles; leaflets ovate or linear-lanceolate, 2.5 to 7.5 cm. long, 
coarsely and unevenly serrate; umbel 5 to 10-rayed, with neither invo- 
lucre (rarely a bract or two) nor involucels; pedicels 4 to 6 mm. long; 
fruit broadly ovate, hispid, 4 to 6 mm. long; lateral wings broader 
than the narrow dorsal and intermediate ones; stylopodium low coni- 
eal; oil tubes solitary in all the intervals. 
Type locality, ‘‘ Kast and West Humboldt Mountains, California, 
and in Ruby Valley, Nevada;” collected by Watson, no. 456, in 1868; 
type in U. S. Nat. Herb. , 
An aquatic in the meuntains of northeastern California, northern 
Nevada, and southern Idaho. 
Specimens examined: 
CALIFORNIA: West Humboldt Mountains, Greene, July 21, 1894. 
Nevapa: Ruby Valley, altitude 1,800 meters, Watson 456, August, 1868. 
Ipano: Near Shoshone Falls, Snake River, Henderson 4596, July 26, 1897. 
10. Angelica roseana Henderson, Contr. Nat. Herb. 5: 201. pl. 26. 1899. 
Puate VI. 
Low and very stout, 5 to 6 dm. high, with glabrous and usually 
purplish stems, and more or less scabrous inflorescence; leaves twice 
or thrice ternate then pinnate; upper stem leaves reduced, with large 
inflated petioles; leaflets broadly ovate to lanceolate, thick, with 
prominent veins, laciniately mucronate-toothed, 2.5 to 3.5 cm. long, 
obtuse or acute, glabrous or more or less scabrous; umbels with very 
unequal rays, no involucre (or sometimes 1 or 2 bracts), and invo 
lucels of few filiform and very scabrous bractlets; flowers greenish or 
tinged with purple; ovaries glabrous or puberulent; fruit broadly 
oblong-elliptic, more or less scabrous, 4 to 5 mm. long; dorsal and 
intermediate ribs often nearly as prominent as the lateral, thick and 
corky; stylopodium conical; oil tubes mostly solitary in the intervals. 
Type locality, ** banks of dried, gravelly rills, foothills of the Lost 
River Mountains [near Salmon], Fremont County, Idaho;” collected 
by Henderson, no. 4065, August 15, 1895; type in U.S. Nat. Herb. 
Mountains of Idaho and adjacent Montana, Wyoming, and Utah. 
Specimens examined: 
Ipano: Type specimens as cited under type locality; Salmon River, near Yan- 
kee Fork, Henderson 3809, August 1, 1895; Mount Chauret, boundary 
between Idaho and Montana, Rydberg 4605, July 27, 1897. 
Montana: Lone Mountain, Tweedy 1056, August, 1889; near Boulder Creek, 
Bitter Root Forest Reserve, altitude 1,820 meters, Letberg 3003, September 
17, 1897. 
Wyomina: Little Goose Canyon, Nelson 2355, July 15, 1896; Sierra Madre, Carbon 
County, Nelson 3493, August 16, 1897; Teton Mountains, A. & EH. Nelson 6500, 
August 16, 1899; Big Horn Mountains, Sheridan County, Tweedy 2431, 
August, 1899. 
Uran: Uinta Mountains, altitude 3,000 meters, Watson 459, August, 1869 (dis- 
tributed as Archangelica gmelini ). 
EXPLANATION OF PLATE VI.—Fig. 1, umbel; 2, leaf; 3, dorsal view of carpel; 4, cross section of 
carpel. 
