966 AMMIACEAE 
de longer than the sepals, greenish: fruit ovoid.—Rieh soil or rocky woods, 
arious provinces, Fla. to Miss., Mo., and N. C. 
4. S. trifoliata Bicknell. Stem 3-8 dm. tall: divisions of the leaf ovate or 
rhombic: involuere of foliaceous bracts: petals gre eenish: fruits ellipsoid or 
broader, 7 mm. long at maturity.—Rieh woods, various provinces N of Co astal 
Plain, Tenn. to Ind., Ont., Vt., and Me. 
5. S. canadensis L. Stem 3-13 dm. tall: divisions of the leaf-blade cuneate- 
obovate to narrowly elliptic: involuer re of minute bracts: petals greenish: fruit 
ei E 3-5 mm. long, very short-stipitate-——Rich woods and thickets, 
arious provinces, Fla. to Tex., Nebr., Minn. and N. H.—Apparently not m 
Canada as the name implies. 
6. S. floridana Bicknell. Similar to S. canadensis in habit, bod smaller through- 
out: divisions of the leaf-blades abruptly cuneate with con sides: involuere 
of very small or minute bracts: petals green: fruit a qoe that of S. 
ae Rcs dud soil, Coastal Plain, Fla. to Miss. and S. C. 
2a. BOWLESIA R. & P. Annual eaulescent ilie with stellate pubes- 
cence. Leaves opposite: blades merely lobed. Flowers in simple, few-flow- 
er ed umbels which terminate axillary peduncles. Sepals 5, prominent. Corolla 
h flat. 
dorsally ae. the face essentially flat.— 
About a dozen species, mostly South Ameri- 
ean. 
1. B. septentrionalis Coult. & aE Stems 
n 0.5—6 dm 
te, 1.5-3 em. bro 
thin 5-lobed, slender-petioled: P 
short peduneled 1-4-flowered l; fruit about 2 
n. long, s sessile or Hoo E —Rieh soil, marshes, Swamps; and woods, various 
De ees, La. to Calif. —Bpr. 
3. DAUCUS [Tourn.] L. Annual or biennial herbs. Leaf-blades pin- 
nately decompound. Umbels compound. Involucres and involueels various, 
or wanting. Sepals minute or obsolete. Petals white or rarely colored, often 
unequal, broadest above the middle, inflexed at the apex. ruit longer than 
broad: earpels with 5 low primary ribs and 4 winged seeondary ribs which are 
also armed with a row of barbed vada oil-tubes solitary under the secondary 
ribs and 2 on the inner face.—About 25 species, widely distributed.— Cannors. 
Carpels broadest at the middle; wings divided into 12 or more pus a 
1 arota 
Carpels broadest below the middle; wings parted into 1-8 flat 
prickles. 2. D. pusillus. 
1. D. a L. Stem bristly-hispid, erect, 4—12 dm. tall, often branched, 
eae "leaf. -segments acute or cuspidate, cleft or toothed: ‘rays of the com- 
