974 AMMIACEAE 
single bract. Sepals obsolete. Petals white, 
bro 
pels with 5 -delicate ribs: oil-tubes 2-3 in 
each interval.—-One species. 
1. E. bulbosa (Michx.) Nutt. Plant 5-20 
OF-SPRING. PEPPER-AND- SALT. )— Rich open 
woods and thickets, Karo E rarely 
Coastal Plain, Ala. to Miss., Kans., Minn., 
Ont., and Md.— ï. 
18. CONIUM L. Biennial large herbs with spotted stems. Leaf-blades 
broad, pinnately decompound. Umbels compound, the rays unequal. Invo- 
lueres and involucels inconspicuous, of en- 
dle, inflexed at Hon apex. Fruit short au D 
UM carpels with prominent wavy ribs: 
oil-tubes wanting.—One species. 
1. C. maculatum L. Plant 1-2 m. tall, the 
stem usually much rE e -blades 
- 
d, th gments very numerous; umbels 
rather long-peduncled; rays g 
petals white, o e or euneate, a 
ng: fruit ovoi 
long. — (PoISON-HEMLOCK.) — — Waste e-place 
sete ape and roadsides, various een Ala. to Tex., x Ont., and 
Del; also on Pacifie Coast. Nat. of Eu. —(W. I., Mez., C. A. S. A.)—Sum. 
— The n. is used medicinally. 
19. AEGOPODIUM L. Perennial eaulescent herbs. Leaf-blades ternate, 
d. or 
the leaflets or segments large, toothe Umbel compound, the rays equa 
nearly so. Involucres and involucels of nar- ~ 
bracts and  braetlets, or wanting. 
Sepals minute or obsolete. Petals white, : 
angles margined: oil-tubes wanting.—One 
species. 
1. A. Podagraria L. Plant 3-11 dm. tall, 
pida or P branched: leaflets us 
d o 
long: petals e obo vate. Or ” orbieular- 
