258 UMBELLIFER#, PSEUDOCYMOPTERUS. 
. CYMOPTERUS, 
bractlets; pedicels 4 lines long: fruit glabrous, broadly elliptical or nearly 
orbicular, emarginate, with wings broader than the body, 4 lines long, 
oil-tubes 3 or 4in the intervals 4-10 on the commissure. On dry hill. 
sides, near Waldo, Josephine county, Oregon. rs 
11 PSEUDOCYMOPTERUS C. & R. Rev. Umb. 74: | 
Mostly low glabrous perennials from a thick elongated root, 
with bipinnate leayes, no inyolucre and involucels of narrow 
bractlets mostly longer than the flowers. Calyx-lobes evident. 
Fruit ovate or oblong. Carpel with dorsal and intermediate ribs 
very prominent and acute: lateral wings rather broad and thick- 
ish, distinct from those of the other carpel. Oil-tubes 1-4 in 
the intervals, 2-6 on the commissure. 
P. anisatus C. & R. 1. c. 75. Acaulescent, cespitose from a much 
branched caudex which is more or less covered with the remains of old 
leaves: leaves on long petioles, narrow, somewhat rigid, pinnate and the. 
leaflets came bariad into linear pungently acute segments: peduncles 
6-12 inches long exceeding the leaves: umbel unequally 5-12-rayed, with 
involucels of linear-subulate bractlets eters the white or yellow. 
flowers: rays 4-3 inches long: pedicels 1-3 lines long: fruit about 2 lines 
long, the carpel irregularly 2-5-winged; oil-tubes 1-3 in the intervals, 2 or 
4 on the commissure: seed-face plane. Oregon to Wyoming, Utah and 
Colorado. 
* * Fruit not flattened either way or but slightTy so. 
+ Fruit with all the ribs conspicuously winged; stylopodium de- 
pressed or wanting. 
12 CYMOPTERUS Raf. Journ. Phys. 1819, 100. 
Mostly low perennials from thick elongated roots with more 
or less pinnately compound leaves, mostly no involucre, promi- 
nent involucels and white, yellow or purple flowers. Calyx- 
lobes more or less prominent. Fruit usually globose, somewhat 
flattened laterally if at all. Carpel somewhat flattened dorsally 
with mostly 5 broad thin equal wings, lateral wings distinct 
from those of the other carpel. Stylopodium depressed. Oil- 
tubes 1—several in the intervals, 2-8 on the commissure. ~ 
C. terebinthinus T. & G. Fl. i, 624. Shortly caulescent, decumbent, 
6-18 inches long, leafy at base: leaves rather rigid, thrice pinnate; leaflets 
a line long or less, linear or linear oblong, entire or toothed, mucronate: 
umbel with 4-15 fertile rays, mostly no involucre, and involucels of short 
linear or lanceolate bractlets; rays %-2 inches long; pedicels 1-5 lines 
long: flowers yellow: fruit 3-4 lines long, the 5 carpel-wings broad and 
thin: oil-tubes 2-5 in the intervals, 5-10 on the commissure. Brit. Colum- 
bia to California, Wyoming and Colorado. 
C. glaucus Nutt. Journ. Philad. Acad. vii, 28. Leaves and peduncles 
clustered at the summit of a short caudex, more or less scabrous-puberu- 
lent: leaves tripinnate the ultimate segments crowded, linear-oblong, 
with revolute margins: peduncles at first short, elongated in fruit and 
exceeding the leaves: umbels 5-15-rayed, with an invyolucre of setaceous 
bracts or none and involucels of linear acute bractlets; rays 4-12 lines 
long; pedicels 2-3 lines long; flowers white: fruit 2-3% lines long, the 2-5 
