UMBELLIFERZ. (PARSLEY FAMILY.) 159 
9. H. umbellata, L. Smooth; leaves orbicular, peltate, obscurely lobed, 
crenate ; umbels globose, on peduncles commonly longer than the petioles ; 
fruit 2-ribbed on each side. — Wet places, Florida to Mississippi, and northward. 
May. — Leaves 1! wide. 
3. H. ranunculoides, L. Smooth; leaves orbicular-reniform, crenately 
3-5-lobed; umbels few-flowered, on peduncles much shorter than the petioles, 
mostly nodding in fruit; fruit obscurely ribbed. — Springs and muddy places, 
Florida to North Carolina, and westward. May and June.— Petioles 6/- 12! 
long. Peduncles 1! long. 
4. H. interrupta, Muhl. Smooth; leaves orbicular, peltate, crenate ; 
umbels proliferous, the nearly sessile clusters forming an interrupted spike; fruit 
strongly ribbed. — Wet places, Florida to Mississippi, and northward. June. 
— Petioles longer than the peduncles. 
5. H. repanda, Pers. Pubescent; leaves broadly ovate, truncate or 
slightly cordate at the base, glandular-serrate; umbels capitate, few-flowered, 
shorter than the petioles; fruit strongly ribbed. — Low grounds, Florida to 
North Carolina, and westward. July. 
ib 
2. CRANTZIA, Nutt. 
Calyx-teeth obsolete. Petals roundish. Fruit globular. Carpels 5-ribbed, 
the lateral ribs thickened and corky. Vittæ single in the intervals, with 2 on 
the commissure. — Small creeping marsh herbs, with fleshy linear leaves, and 
small whitish flowers in axillary umbels. 
l. C. lineata, Nutt. (Hydrocotyle lineata, Michx.) — Muddy banks, near 
the coast, Florida to Mississippi, and northward. July.— Leaves 1! long, with 
cross partitions, narrowed towards the base, obtuse. Involucre 5 — 6-leaved. 
3. SANICULA, Tourn. 
Calyx 5-toothed, persistent. Fruit globose, without ribs, armed with hooked - 
prickles; the earpels not separating spontaneously, each with 5 vittze. — Peren- 
nial erect branching herbs, with palmately-divided long-petioled leaves, and 
polygamous flowers in small heads, disposed in a loose expanding cyme. 
1. S. Marilandica, L. Leaves 5-7-parted, the divisions lobed and 
toothed; heads many-flowered ; sterile flowers numerous on slender pedicels ; 
styles long, recurved. — Dry woods, Georgia, and northward. May. — Stem 
29 - 3? hich, : 
2.8. Canadensis, L. Leaves 3-5-parted, the divisions lobed and toothed ; 
heads few-flowered ; the sterile flowers (1-3) nearly sessile; styles short and 
‘Straight. — Dry woods, common. May. — Stem 19-29 high. Branches of the 
cyme long and spreading. i^ 
..4 ERYNGIUM, Tourn. BorroxSxikrgoor. —— 
.— Calyx S-toothed, persistent. Styles slender. Fruit turbinate, 
‘Seales ie or tubercles, without ribs or vittæ. — Herbs, with spiny or 
