112 
such external characters as its elongated linear entire leaflets, fascicled 
tubers, conspicuous involucels, prominent calyx-teeth, conical stylopodium, 
and long recurved styles. Its nearest alliance is to Pimpinella, from 
which it differs, not only in most of the characters just noted, but also in 
the concavity of the seed-face. The broad concavity of the seed-face, as 
well as its comparative shaliowness, is one of the marked cha>actersof 
this genus, and separates it not only from certain ailied genera, but also 
from some species which have been confused with it. This cannot include 
the Mexican forms referred to it. 
1. E. Americanus Nutt, in DC. Mem. Umbel. 69, t. 2, 
Three to five feet high : radical and lower cauline leaves large, 1 
to 2-pinnately compound, with leafiets cut into short narrow seg- 
ments; upper cauline leaves ternate, with narrowly linear elongated 
leaflets (1 to 2 inches long, a line wide): umbel 10 to 12-rayed, 
with involucre scanty or none, and involucels of numerous very 
narrowly lanceolate bractlets (tapering from the bottom) but a 
line long: fruit ovate or oblong, 2 to 3 lines long, to 2 lines 
broad, with ribs almost obsolete: oil-tubes mostly 3 in the intervals, 
4 on the commissural side. (Fig. 123.) 
Ohio ((SVtihrfOif), to Illinois {Vasey, Bebb), Missouri (IT. E. Hasse), 
Ai’kansas, and Tennessee {Gattinger). FI. July. 
^2. E. Parishii. One to two feet high: leaves ternate, on 
petioles 2 to 4 inches long, with linear-lanceolate leaflets 1 to 3 
inches long, 2 to 5 lines wide, terminal leaflet more or less dis- 
tant; uppermost leaves simple: umbel 8 to 10-rayed, with scanty 
involucre or none, and involucels of 2 to 6 narrov/ly lanceolate 
bractlets 2 lines long; rays to 1 inch long; pedicels 2 to 4 lines 
long: fruit ovate or oblong, to 2 lines long, half to a line 
broad: oil-tubes 2 to 4 in the intervals, 6 on the commissural side. 
(Fig. 124 .) — P impincUa Parishii C. & R. Bot. Gazette, xii. 157. 
Damp meadows, San Bernardino, and San Jacinto Mts., California 
(S'. B. & W. F. ParMi 987, in part); also “Eattlesnake Bar,” Calif. (3f. K. 
Ctirran. FI. July and August. 
This species has found its way into herbaria under the name of Gantm 
Qairdneri, but chiefly as Podosciadium CaUfornicum. 
■^3. E. Bolanderi. Two feet high: leaf divisions more or 
less pinnately compou.nd; ultimate segments narrowly linear, to 
1^ inches long (terminal one sometimes 3 inches), to 1 line wide 
(lateral leaflets sometimes much reduced and toothed); uppermost 
leaves simple: umbel 10 to 25-rayed, with prominent involucre. 
