UMBELLIFER-E. (I'AKSLKY FAMILY.) 159 



2. H. umbellata, L. Smooth ; leaves orbieular, peltate, obsonrcly lobed, 

 crenate ; umbels globose, on peduncles commonly longer than the petioles ; 

 fruit 2-ribbcd on each side. — Wet places, Florida to Mississippi, and northward. 

 May. — Leaves 1 ' wide. 



3. H. ranunculoides, L. Smootli ; leaves orbicular-renifoi-m, crcnatcly 

 3 - 5-lobcd ; umbels fiw-llowercd, 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, tnmcate 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. 



2. CRANTZIA, Xutt. 



Calyx-teeth obsolete. Petals roundish. Fruit globular. Carpels 5-ribbed, 

 the lateral ribs thickened and corky. Vittae single in the intervals, with 2 on 

 the commissure. — Small creeping marsh herbs, with fleshy linear leaves, and 

 small whitish flowers in axillary umbels. 



1. C. lineata, Nutt. (Ilydrocotyle lineata, J//c/ir.) — Muddy banks, near 

 the coast, Florida to Mississippi, and northward. July. — Leaves I' long, with 

 cross partitions, naiTowed towards the base, obtuse. Involucre 5 - 6-leaved. 



3. SANICULA, Tourn. 



Calyx .5-toothcd, persistent. Fniit globose, without ribs, armed with hooked 

 prickles ; the carpels not separating spontaneously, each with 5 vittaj. — Peren- 

 nial erect brandling herbs, with palmately-dividcd long-petioled leaves, and 

 polygamous flowers in small heads, disposed in a loose expanding cyme. 



1. S. Marilandica, L. Leaves 5 -"-parted, the divisions lobed and 

 toothed ; heads many-flowered ; sterile flowers numerous on slender pedicels ; 

 styles long, recurved. — Diy woods, Georgia, and northward. May. — Stem 

 2° -3° high. 



2. S. Canadensis, L. Leaves 3 - 5-parted, the divisions lobed and toothed; 

 heads few-flowcrcd; the sterile flowers (1-3) nearly sessile; styles short and 

 straight. — Dry woods, common. May. — Stem l°-2° high. Branches of the 

 cyme long and spreading. 



4. ERYNGIXTM, Tourn. Buttox-Sxakeboot. 



Calyx 5-toothed, persistent. Styles slender. Fruit turbinate, covered with 

 scales or tubercles, without ribs or vittae. — Herbs, with spiny or bristly mostly 



