260 UMBELLIFER&. LIGUSTICUM. 
bels. Calyx-lobes obsolete. Fruit oblong or ovate, flattened 
laterally if at all, glabrous. Oil-tubes 2-6 in the intervals 6-10’ 
on the commissure. Seed with round or angled back and plane 
to deeply concave face. 
* Leaves ternately decompound the broad leaflets simply toothed 
or serrate: seed-face plane. : 
L. Scoticam L. Sp. 259. Stems simple, 1-2 feet high, somewhat 
leafy, with glabrous inflorescence: leaves biternate; leaflets ovate, 1-2 
inches long, coarsely toothed: umbel 8-15-rayed, with involucels of several 
linear bractlets; rays at length 1-3 inches long: fruit narrowly oblong, 
4-5 lines long, with prominent somewhat winged ribs: oil-tubes small 2 or 
3in the intervals, 6 on the commissure: seed flattened dorsally with 
rounded back Alaska to Brit. Columbia, perhaps Washington, also on 
the N. Eastern coast. 
* * Leaves ternate-pinnately compound with leaflets laciniately 
toothed or pinnatifid. 
L. scopulorum Gray Proc. Am. Acad. vii, 347. Stout, 2-3 feet high, 
amore or less leafy, with puberulent inflorescence: lower leaves often very 
large, twice or thrice ternate, then once or twice pinnate; segments oyate, 
Jaciniately pinnatifid; upper leaves often ternate-pinnate or simply pin- 
nately compound: umbel of numerous rays with imvolucels of several 
narrowly linear elongated bractlets: rays at length 2-3 inches long; pedi- 
cels 6 lines long: fruit oblong, about 3 lines long, with somewhat promi- 
nent conical stylopodium, and prominent somewhat winged ribs: oil- 
tubes 3-5 in the intervals, 6-8 on the commissure: seed somewhat dor- 
sally flattened, with angled or sulcate back and face with a broad shallow 
“cavity and central longitudinal ridge. In the coast mountains of Southern 
Oregon, Sierra county, California, and the mountains of Colorado. 
L. tenuifolium Watson Proc. Am. Acad. xiv, 293. Stem slender, 1-2 
feet high, naked above the base or with a single leaf, bearing 1-3 glabrous 
umbels: leaves smail, ternate then pinnately decompound, finely dis- 
sected with laciniately divided leaflets the ultimate segments linear and 
short: umbel few-rayed, with involucels of 1 or 2 narrowly hinear bract- 
lets; rays about an inch long; pedicels 2-3 lines long: fruit oblong 144-2 
lines long, with narrow ribs: oil-tubes 3-5 in the intervals, 6-8 on the 
commissure. Union county, Oregon, to Colorado. 
L apiifolium Gray, Proc. Am. Acad. viii, 345. Stems 2-4 feet high, 
few-leaved or almost naked; inflorescence puberulent: leaves mostly radi- 
cal, ternate or biternate then once or twice pinnate; the segments ovate, 
laciniately pinnatifid : umbel of numerous rays, with involucels of several 
narrowly linear elongated bractlets ; ls at length about 2 inches long; 
pedicels 2-4 lines long: fruit oval 144-2 ines long, with short conical stylo- 
podium and narrow acute ribs: oil-tubes_ 3-5 in the intervals, 4-6 on the 
commissure: seed with round back and more or less deeply concave 
face, and a prominent central longitudinal ridge. In the mountains of 
Oregon and Washington. 
L. Grayi C. & R. Rev. Umb.88 Stems 1-2 feet high, with leaves all 
nearly radical, and glabrous inflorescence: leaves ternate then pinnate; 
the segments ovate, laciniately pinnatifid: umbel of numerous rays with 
involucels of several narrowly linear elongated bractlets: rays 1-2 inches 
long ;pedicels 2-4 lines long :fruit narrowly oblong,2-214 lines long, with short 
conical stylopodia and narrow prominent almost winged ribs: oil-tubes, 
3-5 in the intervals, § on the commissure: seed yen flattened dorsally, 
with angled back and face but slightly concave, with no central ridge. 
