516 
UMBELLIFEREAE. 
{Vou. II. 
1. Peucedanum nudicaule (Pursh) Nutt. White-flowered Parsley. 
( WD. aad 
NY Ng SYA y 
2 
sha 
2. Peucedanum foeniculaceum Nutt. 
Ferula foeniculacea Nutt. Gen. 1:183. 1818. 
Peucedanum foeniculaceum Nutt.; T. & G. 
Fl. N. A. 1:627. 1840. 
Tomentose-pubescent, or nearly gla- 
brous; peduncles 4/-10’ high, usually ex- 
ceeding the leaves. Roots stout and 
deep; leaves very finely dissected into 
short, linear or filiform acute lobes and 
segments, the primary divisions ternate 
or pinnate; petioles strongly sheathing at 
the base; umbels unequally 3-12-rayed, 
the rays 1%4/-114’ long; bractlets of the 
involucels tomentose, united for more than 
half their length, withering; flowers yel- 
low; pedicels 2/’-4’’ long in fruit; fruit 
broadly oval, glabrous, about 3/’ long, 
the lateral wings narrower than the car- 
pel, dorsal and intermediate ones rather 
prominent; oil-tubes 1-3 in the intervals. 
Prairies, Northwest Territory to Kansas, 
Missouri and Texas. March-April. 
(Fig. 2645.) 
Smyrnium nudicaule Pursh, Fl. Am. Sept. 
196. 1814. 
Peucedanum nudicaule Nutt.; T. & G. Fl. N. 
1:627. 1840. 
Finely pubescent, or nearly glabrous, the 
leaves and peduncles 3/-8’ high. Root 
elongated, often swollen in places. Leaves 
bipinnate, the segments oblong or ovate, 
generally pinnatifid into linear or linear- 
oblong obtusish lobes; bracts of the involu- 
cels lanceolate, scarious-margined; umbel 
4-8-rayed, the rays unequal, 4/-114’ long 
in fruit; pedicels 1/’-3/’ long; flowers white 
or pinkish; fruit broadly oval or orbicular, 
glabrous, 2’/-3/’ long, the lateral wings 
narrower than the carpel, the dorsal and in- 
termediate ones inconspicuous; oil-tubes 
generally solitary in the intervals. 
In dry soil, Manitoba to Minnesota and Kan- 
sas, west to the Northwest Territory and New 
Mexico. March-May. 
Fennel-leaved Parsley. (Fig. 2646.) 
LN 
3. Peucedanum Kingii S. Wats. 
King’s Parsley. (Fig. 2647.) 
Peucedanum graveolens S. Wats. Bot. King’s Exp. 
128. 1871. Not Anethrum graveolens 1. 
Peucedanum Kingii S. Wats. Proc. Am. Acad. 22: 
474. 1887. 
Glabrous, acaulescent, scape striate, 6’—20’ 
high, as long as the leaves or somewhat longer. 
Leaves all basal, long-petioled, pinnately or 2- 
pinnately divided into narrowly linear segments 
144// wide or less; umbel unequally 4-20-rayed; 
rays 14/-1}4’ long; involucels of several lanceo- 
late partly united bracts; flowers yellow; calyx- 
teeth short; fruit oblong, glabrous, 4’’-6’’ long, 
nearly 2’’ wide, the carpels with narrow lateral 
wings, the dorsal and intermediate ribs also 
somewhat winged; oil-tubes 3-6 in the intervals, 
and 6-10 on the commissural side. 
Western Nebraska to Utah. June-Aug. Perhaps 
not properly referred to this genus. 
