972 AMMIACEAE 
13. CORIANDRUM [Tourn.] L. Annual slender herbs. Leaf-blades 
pinnately dissected. Umbels compound. Involucres wanting. Sepals acute, 
unequal. Petals white, often unequal, broa 
est above the middle. Fruit sub- por 
not constricted at the commissure: carpels 
with 5 delicate ribs: oil-tubes solitary under 
the secondary ribs.—Two species, natives of 
the Old World. 
sativum L. Stem 2-6 dm. tall: blades 
of the lower cauline and basal leaves with 
coarse-toothed, incised, or lobed segments, 
those of the upper leav ves with narrowly 
linear segments: umbel-rays 4—8, 12-21 mm. 
long: P on 1-3 mm. long: fruit subglo- 
bose or ovoid- “globose, 3-3.5 mm. long: car- 
ae slightly 1 ribbed- (ContaNpzR.)— Waste 
places and cult. rounds, in and about town 
and cities, nearly Lid H S. Nat. of Eurasia.—Sum.—The fruit is used 
S cipe and as a condim 
14. LIGUSTICUM L. Perennial herbs with large roots. Leaf-blades 
v do eg Umbels compound. Involueres of a few narrow bracts. 
Involucres of a few narrow bracts. In- 
volucels of numerous narrow  bractlets. 
Sepals obsolete. Petals white, broadened 
t s elo 
tubes in each interval ——About 20 species, 
natives of the Northern Hemisphere. 
l. L. canadense (L.) Britton. Stem 5-20 
dm. tall: s elliptie, elliptic- oval, or 
ovate, 3-8 e ong, n) toothed: fruit 
- ellipsoid, oval, or ovate, 4-6 mm. long, the 
ribs d 
ed. — (A 
Lov. —Dry or rich woods, various pro 
inces, rarely Coastal Plain, Ga. to Miss., “Mo. and Pa.—Sum.—tThe root is 
aromati 1C. 
15. LILAEOPSIS Greene. Perennial herbs, with ereeping stems. Leaves 
clustered, reduced to terete clavate, separate organs, sometimes dilated above. 
Bracts of the involucre several Umbels several- -flowered, sim Sepals 
thick corky lateral ribs and filiform dorsal and intermediate ribs or all some- 
times corky, with oil-tubes solitary in the intervals. [Crantzia Nutt.]—About 
Peduncles Surpassing the leaves: fruit pinched at the base; lateral ae dnd ey 
1. L. lineata 
` Peduncles shorter than the leaves: fruit not pinched at the 
base; all ribs corky. 2. L. carolinensis. 
1. L. lineata (Michx.) Greene. Stem creeping in the mud: s 2-5 e 
long; petioles dilated DT usually linear-spatulate, barely nunca bit. 
