COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 91 
1. Zizia aurea (L.) Koch, Nov. Act. Caes. Leop. Acad. 12: 129. 1824. 
175: 
Smyrnium aureum L. Sp. Pl. 1: 262. 1753. 
Thaspium aureum apterum Gray, Man. ed. 2. 156. 1856. 
Basal leaves very long-petioled, all but the uppermost leaves 2 to 8- 
ternate; leaflets ovate to lanceolate, sharply serrate; rays 15 to 2 
stout, 2.5 to 5 em. long; fruit oblong, about 4 mm. long. 
Type locality, in ‘* America borealis.” 
Throughout Canada and the Atlantic States, and extending west to 
Montana and eastern Texas. 
Specimens examined: We cite but few of the numerous specimens examined. 
Maine: Aroostook County, Fernald 50, July 26, 1893, 
Vermont: Peacham, Alice £. Stevens, in 1892. 
Massacuusetts: Ipswich, Oakes. 
Connecticut: Fairfield, Hames, May 17, 1895. 
New JersEy: Passaic County, Nash, May—June, 1890. 
District OF Cone MBIA: High Island, Pollard 464, June 28, 1895. 
Virginia: Near Alexandria, Ward, May-June, 1878. 
PENNSYLVANIA: Near Gap, Smell, June 14,1889. 
New York: Oxford, Coville, June 23, 1887. 
Iuurnors: Near Chicago, Babcock; Naperville, Umbach, May 26, 1898. 
Missourt: Eagle Rock, Bush 187, June 21, 1897; Atherton, Bush, June 27, 1898. 
ARKANSAS: Fort Smith, Bigelow, in 1853-54. 
InpIAN TerrIToRY: Chickasaw Creek, Sheldon 73, June 26, 1891. 
Texas: Near Dallas, Hall 252, June 28, 1872. 
Minnesota: Near Minneapolis, Sundberg 269, June, 1891; Fort Snelling, Mearns, 
May 19, 1891. 
NEBRASKA: Ponca, Clements 2567, June 16, 18938. 
South Dakora: Duffy 78, in 1887. 
Monrana: Arrow Creek, Williams, September, 1886. 
The following variety appeared while we were reading proof: 
Zizia aurea obtusifolia C. H. Bissell, Rhodora, 2: 255. 1900. 
2. Zizia bebbii (C. & R.) Britton, Mem. Torr. Club 2:35. 1890. 
Z. aurea bebbii C. & R. Bot. Gaz. 12:138. 1887. 
Resembling 4. aurea, but more slender; basal leaves on slender and 
shorter petioles, twice to thrice ternate; leaflets broadly ovate to 
oblong, mostly obtuse, more coarsely serrate or even toothed; rays 2 
to 8, slender, 5 to 10 cm. long; fruit mostly smaller, oval, 2 to 8 mm. 
long. 
Type locality, ‘* Virginia and North Carolina;” collected by Canby, 
August, 1876; type in Herb. Coulter. 
From the mountains of Virginia and West Virginia to Tennessee 
and Georgia. 
Specimens examined: 
Virainta: Salt Pond Mountain, Canby, August, 1890; Roanoke River, Simall & 
Heller 218, June 2, 1891; Smyth County, altitude 600 meters, Small, June 23, 
1892. 
NortrH Carouina: Type specimen as cited under type locality; Vasey, in 1878; 
Kelsey, April, 1890. 
