442 UMBELLIFERAE 
ft. high. Leaves of 3 to 7 radiating lobes, the divisions sharply toothed. 
Involucre of broad leaf-like bracts often ternately divided. Flowers 
greenish-white. Several sterile flowers in each group on long pedicels. 
In rich woods throughout our region, May-July. 
2. §S. gregaria, Bicknell. (Fig. 2, pl. 109.) CiusTERED SANICLE. 
Similar to No. 1, but plants thickly clustered and flowers yellow. Woods 
and thickets, southern New York and southward. May-June. 
3. §S. canadensis, L. (Fig. 4. pl. 109.) Suort-stytep SANICLE. 
Similar to No. 1, but there are few sterile flowers and those on short 
pedicels. Flowers white. Dry woods, Mass., southward. June-Aug. 
4. §. trifoliata, Bicknell. (Fig. 3, pl. 109.) Large-rruirep SANICLE. 
More slender than either of the other forms. 1 to 24 ft. high. Leaves 
ternately divided as are the broad bracts of the umbel. Flowers white. 
Woods, southern New York, Conn., and northward. June-July. 
3S. “SIUM, LL. 
Herbs of wet places, with feather-formed stem leaves, the lower leaves 
being often dissected, and with compound umbels and umbellets having 
involucres of narrow bracts. Flowers white. Fruit oval or egg-shaped, 
compressed, prominently ribbed, not bristly. 
S. cicutaefolium, Gmel. (Fig. 4, pl. 108.) Hemiock WaTER PARSNIP. 
A stout plant in marshes, 2 to 6 ft. high. Leaf-stems sheathing at base, 
the leaf consisting of from 7 to 17 linear leaflets, these sharply notched 
at borders. The lowest leaves often finely dissected. In swamps and salt 
marshes. July-Oct. 
Var. S. Carsonii, Durand. Carson’s WATER Parsnip. More slender 
than No. 1, 1 to 2 ft. high. Leaf of 3 to 7 linear or lance-shaped leaflets, 
sharply toothed. In streams. July-Aug. 
g- BERULA, Hoffm. 
Smooth plant in marshes or in water. Leaves feather-formed, the 
leaflets, about 15, more or less, often partly divided but ali with sharp 
teeth. Fruit orbicular with smooth slender ribs. 
B. erecta, (Huds.) MHoffm. (Fig. 9, pl. 111.) Cur-LeEaAvep Water 
Parsnip. In swamps and streams, 1 to 2 ft. high, stout, branched. Leaf- 
lets 7 to 19, oval, often partly divided, borders sharply notched. Umbels 
with rather conspicuous involucres, umbellets with small narrow bracts. 
Fruit orbicular with inconspicuous ribs, July-Sept. 
io. CARUM, L. 
Our species an herb, escaped from cultivation. Leaves feather-formed 
or doubly feather-formed, the leaflets of thread-like segments. Involucre 
for the main umbel. Leaf-stem clasping. Seeds aromatie. 
C. carui, L. Caraway. ‘Plant, 1 to 2 ft, high. Involucre of 1 to 3 
narrow bracts. Waste places. May-July. 
11. CONIUM, L. 
Tall smooth herb, in waste places, generally in rich soil. Stems branch- 
ing, spotted. Leaves twice feather-formed, the segments deeply incised. 
