— 
- PHELLOPTERUS. UMBELLIFER#, . 259 
LIGUSTICUM. 
carpel-wings rather narrow: oil-tubes 3-5 in the broad intervals 6-8 on 
the commissure: seed-face deeply sulcate or involute. Nevada to Idaho 
and Montana. 
13 PHELLOPTERUS Benth. B. & H. Gen. Plant. i, 905. 
A low tomentose seashore herb with once or twice ternate or 
ternate-pinnate thick leaves ovate to roundish more or less con- 
fluent leaflets that are densely white-tomentose beneath, involu- 
ere and involucels of subulate bracts and glomerate white flowers. 
Calyx-lobes small. Fruit globose, glabrous. | Carpel somewhat 
flattened dorsally, with 5 equal broad and corky-thickened wings ; 
lateral wings distinct from those of the other carpel. Stylopodi- 
um depressed. Oil-tubes 2-3 in the intervals, 4-6 on the com- 
missure. Seed-face slightly concave. aX 
P. littoralis Schmidt. Fl. Sachel. in Mem. Acad. Petrop. 7, xii, 138. 
Subacaulescent: petioles elongated; leaflets callous-serrate to dentate, with 
impressed veinlets above, 1-2 inches long: umbel shorter than the leaves, 
10-12-rayed; rays 6-12 lines long; umbellets capitate: fruit 4-5 lines in 
diameter the wings 1% lines broad. On shifting sands of the seashore, 
Vancoaver Island to Southern Oregon. 
14 THASPIUM Nutt. Gen. i, 196. 
Perennial herbs with ternately divided leaves with broad :er- 
rate or toothed leaflets, mostly no involucre, involucels of small 
bractlets mostly yellow flowers and all the fruits pedicelled. 
Calyx-lobes conspicuous. Fruit ovoid to oblong, slightly flat- - 
tened dorsally if at all, mostly glabrous. Carpel with 3 or 4 or 
all the ribs strongly winged. Stylopodium wanting; styles. 
long. Ojil-tubes solitary in the intervals, 2 on the commissure : 
Seed sulcate beneath the oil-tubes, almost terete or somewhat 
dorsally flattened with plane face. | 
T. aureum Nutt. 1l.c. Glabrous: radical leaves mostly cordate, ser- 
rate: stem leaves simply ternate: leaflets ovate to lanceolate, rounded or 
tapering at base, serrate: umbel 8-12-rayed; rays 6-12 lines long; pedicels 
abvut a line long, flowers deep yellow: fruit globose-ovoid, about 2 lines 
long. all the ribs equally winged. Thickets and woodlands through the 
Eastern States. 
Var. trifoliatum OC. & R. Bot. Gaz. xii, 136. Leaves or leaflets cre- 
nately-toothed. Ohio and Illinois to Oregon and Brit. Columbia. 
Var. involucratum C. &R.1.c. Radical leaves twice or thrice ter- 
nate; leaflets as in the species: umbel with conspicuous involucre of ser- 
rate bracts and inyolucels of numerous toothed bractlets often as long as 
the pedicels which are 2-3 lines long. Kootenai county, Idaho. (Leiberg.). 
_ * * Fruit with all the ribs prominent and equal; stylopodium con- 
ical: oil-tubes numerous, 
15 LIGUSTICUM Linn. Gen. n. 346. 
Smooth perennials from large aromatic roots; with large ter- 
nate-pinnately compound leaves, mostly no involucre, involucels 
of narrow bractlets and white flowers in large many-rayed um- 
