AMMIACEAE 979 
CYCLOSPERMUM Lag. Annual or perennial herbs. Leaf-blades 
pinnately or ternately decompound. Umbels compound. Involucre present or 
wanting. Sepals obsolete or minute. Petals white, broad. Fruit somewhat 
smooth or tuberculate: carpels 5-angled or ribbed with 1 oiltube in each inter- 
val or two in the inner face. [Apiwm L. in part]—4A bout 6 species, natives of 
the Old World.—Spr.-sum 
Leaf-blades ternate; segments linear-filiform to filiform. 1. C.A 
Leaf-blades pinnate; segments ovate, oval, or elliptic. 2., C. 200 A 
1. C. Ammi (L.) Britton. Stem erect, 1-6 dm. tall, more or less branched: 
leaf-blades ternately divided; segments filiform or narrowly linear, acute: 
ud ains 4 than 1 mm. broad: fruit 
val o void-o 1.5-2 mm. long, pd 
)EF 
Muell. |—(MansH-P PARSLE oa mee and 
waste-places, various ee Fla. ur. 
Mo. and N. Y.—(W. I., Mez., C. a 
2. C. nodiflorum (L.) Koch. Stem pros- 
trate, often creeping, 3~7 dm. long, un ene 
branched: leaf-blades pinnately compound, 
5-10 em. long; leaflets oblong, ovate-lanceo- 
e eeolate, 
mbels opposite the leaves 1.5-3 em. broad, 
E -peduncled: brac tlets of the rare 
5—6: corolla white, about 1 mm. broad: fruit 
oval or orbicular- -oval, about 2 mm. 1 
Ditches and waste- -places, near Co ten S. C. and other seaport towns. 
Nat. of Eu. : 
29. BUPLEURUM [Tourn.] L. Annual or perennial herbs. Leaf-blades 
entire. Umbels compound. Involuere wanting (in our species). Involucels 
i aded of entire braetlets. Sepals ob- 
etals broad, yellow or greenish. 
PM elliptie or oval: earpels with slender 
ribs and no oil-tubes in our species.—A bout 
65 species, widely distributed. 
. B.rotundifolium L. ME 3—10 dm. tall: 
leaf-blades ovate or elliptie, 2-8 em. long, 
: corolla yellow: Tri it 3-3. 5 mm. 
long, o 2.5 mm. broad.—(HARE'S-EAR. 
THOROUGH-WAX. ) — Roadsides, fields, and 
T -places various DN. s N of Coastal 
Plain, Ala. to Ariz., S. D., N. H., and N. C. 
Nat. of Eu. 
30. THASPIUM Nutt. Perennial herbs. Leaf-blades 3-foliolate or ter- 
nately compound, or those of the basal leaves sometimes simple. Umbels com- 
pound. Involuere of few bracts. Involucels of many bracts. Sepals present. 
