COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE, 255 
21. FOENICULUM Adans. Fam. Pl. 2: 101. 1763.—A genus of stout and glabrous 
aromatic herbs, with leaves (often large) dissected into numerous filiform segments, 
no involucre or involucels, large umbels of yellow flowers, oblong glabrous fruit 
terete or nearly so and with prominent ribs, and solitary oil tubes. © An Old World 
genus containing about 4 species. 
ForNIcuLuM FoENICULUM (L.) Karst. Deutsch. Fl. 837. 1880-1883 (Anethuin foent- 
culum L. Sp. Pl. 1: 268. 1753; Moeniculwm vulgare Graetn. Fruct. & Sem. 1: 105, pl. 
23. fig. 5. 1788), the common cultivated fennel from Europe, has become naturalized 
in waste ground, Our material is as follows: Weehawken, N. J. (Van Sickle); Gut- 
tenberg, N. J. (Van Sickle in 1894); Delaware County, Pa.; Fortress Monroe, Va. 
(Chickering in 1884); Hampton, Va. (Steele in 1895); Statesville, N.C. (Zyams in 
1878); Knox County, Tenn. (Ruth in 1898); Texas (Neal/ey in 1883); Dorsey, Nebr. 
( Clements in 1893); Los Angeles, Cal. (d/asse in 1888 and 1890); Santa Catalina Island, 
Cal. (Blanche Trask in 1896), 
22, ANETHUM L. Sp. Pl. 1: 263. 1753.—A genus with the habit of Moeniculum, 
and fennel-like leaves, but with the fruit of a Peucedanum with narrow lateral wings. 
A genus of 2 species, indigenous in the Orient. 
ANETHUM GRAVEOLENS .L. Sp. Pl. 1: 268. 1753 (Peucedanum graveolens Benth. & 
Hook. Gen. Pl. 1: 919. 1867), the cultivated anise or dill, has escaped from cultiva- 
tion and become established in waste places at Wilmington, Del. (Zatnall), in waste 
ground about Chicago, Hl. (Umbach in 1897), at Los Angeles, Cal. (//asse in 1889), 
at Wandotte, Ark. (Plank), and probably at other places. 
23, LEVISTICUM Koch, Nov. Act. Caes. Leop. Acad, 12: 101. 1824.—A genus 
resembling Ligusticum, but differing in the fruit flattened dorsally and ribbed as in 
Angelica, and in its yellow or greenish-yellow flowers. A monotypic genus of 
southern Kurope. 
Levisticum Levisticum (L.) Karst. Deutsch. Fl. 844. 1880-1885 (Ligusticuimn levis- 
ticum L. Sp. Pl. 1: 250. 1753; Levisticum officiuale Koch, 1. ¢.), to be recognized by 
its large ternate-pinnate Jeaves with broad thickish and veiny more or less cuneate 
leaflets toothed or lobed above, has become introduced in several places. Our mate- 
rial is from Enfield (Tompkins County), N. Y. (Coville in 1884), and Shelburn, Vt. 
(Mrs. Nellie F. Flynn in 1899). It is also reported by Deane from Connecticut. 
24. IMPERATORIA I. Sp. PI. 1: 259. 1753.—A genus of tall plants, perhaps 
most closely related to cligelica, but our species differing in its once ternate leaves 
with very broad and stalked segments which are often 5-parted nearly or quite to the 
base, the fruit resembling small fruits of stngelica, A genus containing about 10 
species, natives of the Old World. Bentham & Hooker, followed by Drude, have 
merged this genus with Peucedaniuin, 
ImMPERATORIA ostRUTHIUM L. Sp. Pl 1: 259. 1753, a native of Europe, and the 
type of the genus, has been reported as introduced in Newfoundland, New York, 
Pennsylvania, and Michigan. Our single sheet is from: Lyons, Mich. (Dr. R. P. De 
Vore in 1892). 
25. PASTINACA L. Sp. Pl. 1: 262. 1753.—<A genus of stout plants, resembling 
Heracleum in fruit characters, but with pinnately compound leaves and yellow 
flowers. A genus containing about 14 species, natives of Europe and Asia. 
Pastinaca sativa L. Sp. Pl. 1: 262. 1753, the common parsnip, a native of Europe 
and the type species of the genus, has become a very common weed in North 
America. The following citations of a very few of the specimens examined may 
serve to indicate its range: Kingston, Ontario (/wler in 1895); Manchester, Vt. 
(Day in 1898); Great Barrington, Mass. (Pollard in 1893); Greens Farms, Conn. 
(Pollard in 1894); Ithaca, N.Y. (Univ. Coll, in 1875); Laneaster County, Pa. (Small 
in 1890); Youngstown, Ohio (dngraham in 1891); Naperville, HL. (Umbach in 1897); 
Fort Snelling, Minn. (Mearns in 1896); Black Hills, 8. Dak. (Rydberg in 1892); New- 
