the lateral ones slightly petiolulate'; rays of' the umbel elongated, rather
slender ; peduncle short and very thick ;• fruit elliptical-oblong, with a very
narrow winged' border; dorsal ribs slightly prominent; intervals with 2-3
minute yittee; commissure with 6 distant yittee. . . ■ .
Plains east of Wallawallah- River, -Oregon, Nuttall!—Leaves with rather
long narrow sheathing petioles : segments about' an inch and a half long and
an inch broad 5 the terminal one cuneate at the base and almost retuse; the
summit w ith'3-8 broad mucronate teeth. •• Peduncles 4-5 lines in diariieter,
■ somewhat thickened at the summit; .Rays of the umbel 2-:5 inches long.
Fruit, about 34 lines Icing, rather acute : vittee scarcely visible through the
cuticle. " ' .
2. 'P. leiocarpum_(Nutt.t mss.): nearly .stemless, somewhat glaucous
’leavestriternatelydivided; segments petiolulate,'‘oblong, entire or toothed at
the apex; .rays of the umbel slender and elongated, unequal; fruit‘shorter
than the pedicel, narrowly elliptical, with a narrow winged border; dorsal
ribs slightly prominent; intervals with single Vittse ; Commissure, with 4
(rarely 6) closely approximated vitfee.—Seseli leiOcarpum; Hook. ! f l . Bor.-
A m . 1. p . 262, t. 93.
0- cainpestre (Nutt, mss.): segments of the leaves linear-oblong; • fruit
longer than the pedicel. . . • : .
Plains of the Oregon near Fort Vancouver &c. Douglas, D r . Scouler!
N u tta ll! Oh .Lewis River, M r . Tdlmie! June -July.—“ Root long and
fusiform,'’ N u tt. Leaves with long -.narrow sheaths; the segments about an
inch long, narrower in the sterile than in the, fertile plant, often 2-3-toothed
towards the apex. • Peduncle about a foot in length, stout; in the'fructiferous
plant tumid, at. the summit. Rays of the umbel 1-5 inches-long. Fruit
half an inch long; the border much narrower than the dorsal disk. Vittse o f .
a light brown color.; sometimes 2 in the lateral intervals, ori© of them much
smaller than .the other.. '
3.' P. amliguum (Nutt, mss.): caulescent and somewhat ■ branching,.glab-’
rous-, leaves triternately divided;, segments, lihear-lanceolate, entire, obtuse
sheaths-large and ventricose,—Eulophus-' anibigtius, Nutt.-! in jour, acad'.'
Philad, 7. p : 27‘. ,
. Borders of Flat-Head River, Oregon, Mr... Wyeth. April,—About a span
high (when in f lo w e r ) .“ Root consisting of smallround edible'tubers,” Nutt.
Middle .division of the leaf sometimes pmnately 5-7-parted. Umbels lateral
and terminal. Fldwers polygamous. Fruit Unknown.
* * Involucre none : involucels of numerous setaceous leaflets : calyx-teeth obsol
e t e : flowers yellow : leaves l-3-ternately divided; the segments narrow, elon-
gated and entire. ' •
4. P. tritemaium (Nutt. ! mss.) : peduncle,-'petioles, and margin of the
leaves minutely pubescent ; leaves, Sometimes simply but usually 2-3-ter-
nately .divided ; .the segments lanceolate-linear, or narrowly linear, attenuated
at each end ; sheaths somewhat inflated ; fruit.twice as long as the-pedicels,
narrowly elliptical ; the winged margin half the breadth of the disk ;
intervals with single vittæ ; commissure with 2-vittæ.—Seseli biternatum,
Pursh. fl., 1. p. 197'; DC. prodr. 4. p , 196 ; "Hook- ! ' fl. Bar.-Am. .1. p.
204, t. 94.p Hook. If Am. hot. Beechey, suppl.' p. 348. Eulophus triternatus,
Nutt. ! ■ in jour. acaa. Philad. 7. ,p. 27. . '
0, leptocarpum: glabrous; fruit lanceolate-elliptical, narrowly winged;'
pedicels very short,—P. leptocarpum, Nutt.! mss.‘
Plains of the. Rocky Mountains ! and throughout Oregon to the Pacific!
0. plains of the Oregon near the confluence of the Wahlamet, Nuttall ! July.
—Root tuberous, large and.somewhat.“fusiform. ' Stem of the fertile plant 1-2
feet high ; of the stérile' pue very short. Segments of the le'aves 1.-3 inches
long; petiolulate, 1-3- lines' wide, Pedunoles usually a foot or more in length.
Rays of the umbel 8—12. Flowers polygamous, or dioecious. Fruit , about
5 lines long, somewhat attenuated upward in /?. ; thé ribs prominent and
pale .vittæ dark brown.—Phé roots of this arid the preceding species, after
having, been fermented by heat, are used as food by the aborigines.
_ S; P. loevigatum ( Nutt, mss.) : “ glabrous; stem low and slender, mostly
simple'; leaves biternately divided ; segments lipear and rather long, obtuse;
sheaths small ; involucre and involucell none ; fruit oblong-elliptical ; intervals.
with single vittæ ; commissure with 2 vittæ. '
“ Blue Mountains of Oregon.—Petioles.about 4 inches long. Segmerits of
the leaves all ternately divided, narrowed towards -Jhé base. Rays of the
umbel 12-14. Fruit, abôut as long as the pedicels, the border rather wide.
Flowers not seen.” Nuttall.—W'e have, riot seen this species.'
* * * Involucre none.: involucel unilateral, palmately cleft : flowers white.: leaves
• tripinnately divided.
6. P. nudiçaule (Nutt; mss.) : nearly stemless ; • glabrous and somewhat
flaucous; xachis of the'! leaves .riarrpwly winged ; segments oblong, pinuati-
d ; the lobes lanc.eola.te and acute ; involucel 7—9-parted, membranaceous ;
fruit oyate ;- the winged margin about half as wide as the disk.; intervals
with single vittæ ; commissure with 4 vittse.—Smymium nudicauje, Pursh,
fl- 1- p- 196. Ferula nudicaulis, Nutt: ! gen., '1 , p. 182, not of Sprerig.
IF. Nuttallii, DC. prodr. 4, p. 174 ; Hook. JU Bor.-Am. 1. p. 268. •
High plains, on the upper part.of- the Missouri, Arkansas, and the Rocky
Mountain's, Bradbury, Nuttall ! On the Oregon, Leviis, Douglas.
* * * * Involucre none : involucels unilateral', palmately cleft; or o f 6-9 oblong
or obovate leaflets : flowers yellow: calyx-teeth minute : leaves ternately and
•pinnately decompound.
7. P. fmniaulaceim;(Nutt. ! mss.) ; nearly stemless and .minutely pubescent;
ultimate segments of the leaves narrowly linear, short ; involucel 5-7-
cleft ; fruit broadly ovate ; the winged'border about half the breadth of the
disk ; ribs prominent ; vittæ 1-2 (rarely 3) in the' intervals, 2-4 in the commissure:—
Ferula fceniculacea, Nutt. ! gen. 1. p. 183 ; DC. prodr. 4. p. 174.
P astinaca- foeniculacea, Spreng. in Schult. syst, 6. p. 587.
0- daucifolium: rays of the flowering umbel and involucels hoary-tomen-
tose.—P . • daucifolium, Nutt. ! mss. Ferula foeniculacea,H o o k .!fl. Bor.-
Am. l .p . 268, partly,..(sp.; from Saskatchawan !)
y. tomentose'-pubescent, nearly stemless; segments of the leaves linear-
oblong, much crowded; fruit (immature) and involucels pubescent.
Upper part of the Missouri and Arkansas,. Nuttall ! Sandstone hills on the .
prairies of Grand River, Dr. James ! 0. on the Platte, Nuttall ! Saskatchawan,
Drummond ! April-May'.—Root fusiform. Petioles large and sheathing
at. the base. ; Leaves finely dissected ; the ultimate, segments 1-3 lines
long and almost capillary. Peduncle 8-12 inches long. Principal rays of
the umbel 1-24 inches long ; several short abortive-ones.' Involucel nearly
as long as the flowering umbel, at first densely tomentose, but at length some- •
what glabrous; the lobes oblong-lanceolate, acute. - Flowers polygamous.
Calyx distinctly. 5-too.thed.- Petals oval ; the point cuspidate. Fruit about
2 lines in length : dorsal intervals with seldom more than 2 vittæ ; the lateral
ones with 2 or 3. ■ ’
8. P. macrocarpum (Nutt. ! mss.) : minutely pubescent ; stem short ; ul