COULTER AND ROSE——-NORTH AMERICAN UMBELLIFERAE. 217 
Specimens evamined: 
Cauirornta: Bigelow, in 1853-54; Douglas; Walnut Creek, Contra Costa County, 
Brewer 1014, April 30, 1862; Sonoma County, Samuels 92; Bridges 131; Little 
Oak, Solano County, Jepson, May 2-6, 1891; Exeter, Tulare County, Alice 
EHastwood, April 26, 1895. 
16. Lomatium ellipticum (Torr. & Gray) C. & R. 
Peucedanum nudicaule ellipticum Torr. & Gray, Pacif. R. Rep, 2?: 121. 1855. 
Caulescent, branching at base, 3 to 4 dm. high, more or less pubes- 
cent, froma large root: leaves ternate then once or twice pinnate; 
the ultimate segments linear-oblong, short, cuspidate; umbel 5 to 
12-rayed, with involucels of conspicuous bractlets, as in LZ. macrocar- 
pum, vays 3tod5em, long; pedicels 2 to 6 mm. long; flowers white(‘); 
fruit broadly and bluntly elliptical, glabrous, 16 to 18 mm. long, 
about 10 mm. broad, with wings 4 mm. broad (broader than body), 
and rather obscure dorsal and intermediate ribs; oil tubes solitary in 
the intervals. 
Type locality, * Round Valley, near the sources of the Sacramento, 
in the Sierra Nevada.” California; collected by Snyder in 1854; type 
in Herb. Gray. 
Central California, in the region of the head waters of the Sacra- 
mento. 
Specimens examined: 
CALIFORNIA: Type specimens as cited under type locality; Feather River, near 
Marysville, Yuba County, Bigelow, in 1853-54. 
17. Lomatium macrocarpum (Nutt.) C. & R. 
Peucedanum macrocarpum Nutt. in Torr. & Gray, Fl. 1: 627. 1840. 
Peucedanum macrocarpum eurycarpum Gray, Proc. Am. Acad, 8: 385. 1872. 
Peucedanum eurycarpum C. & R. Rey. N. Am. Umbell. 61. 1888. 
Somewhat caulescent or nearly acaulescent, 1 to 6 dm. high, more 
or less pubescent, much branched at base, from a more or less elon- 
gated thick root; leaves pinnately (or first division ternate) compound; 
segments pinnately incised, ultimate divisions ovate or short linear; 
umbel somewhat equally 3 to L0-raved, with involucels of conspicuous 
somewhat foliaceous lanceolate or linear bractlets often united and 
unilateral; rays 2 to 10 em. long; pedicels 2 to 10 mm. long; flowers 
white; calyx-teeth evident; fruit linear-oblong to broadly oblong, 
elliptical or ovate, glabrous, 6 to 20 mm. long, 3 to 7 mm. broad, with 
wines from very narrow to as broad as body, and filiform dorsal and 
intermediate ribs; oil tubes solitary in the intervals (often obscure, 
rarely 2 or 3), 2 or 4 on the commissural side; seed face with a slight 
central longitudinal ridge. 
Type locality, ‘* Barren hills on the Oregon [Columbia];” collected 
by Vuttall; type in Herb. Philad. Acad. A duplicate type of Peu- 
eedanum macrocarpun enrycarpumn Gray (Hall 21 from Oregon) is in 
Herb. Philad. Acad. 
