COULTER AND ROSE—-NORTH AMERICAN UMBELLIFERAE, 198 
Specimens examined: 
New York: Erastina, Richmond County, Pollard, August 21, 1894. 
PENNSYLVANIA: Delaware County. 
New Jersey: Port Morris, Holmes 393, September 4, 1890. 
Maryutanp: Near Baltimore, Foreman, in 18738; same station, Taylor, October 
15, 1891. 
District or CotumBra: Washington, Ward, September 15, 1875; Tacoma, Miss 
I. W. Catheart, October 7, 1894. ; 
Nortu Carouina: Highlands, Boynton, Aug ast, 1888; Roan Mountain, altitude 
1,800 to 1,900 meters, Merriam, August s-September 9, 1892. 
Soutn Carona: Aiken, Ravenel, August, 1869; Oconee County, Anderson 1564, 
September 15, 1898. 
GeEorGIA: Tallulah River, altitude 510 meters, Sia//, August 18-20, 1893. 
Firoripa: Aspalaga, Chapman. 
Mississippi: Waynesboro, Wayne County, (ollard 1246, August 8-9, 1896. 
ARKANSAS: Near Texarkana, Miller County, .f. 1. & 1. Gertrude Teller 4128, 
August 23, 1898. 
Missourr: Bush, in 1889; near St. Louis, Glatfelter, September 8, 1895, 
Kentucky: Bell County, Kearney 499, September, 1893. 
Inpiana: Clarke, Lake County, Umbach, August 28, 1897, 
Tuuinois: Brendel, in 1873. 
Towa: Ames, Ball 29, August 15, 1896. 
Micuican: Near Hubbardston, Wheeler, September 6, 1890. 
Wisconsin: Camp Douglas, Mearns 897, August 22, 1890. 
Vearns 280, August, 1889 and 1891, 
The original specific name of Linnaeus is rigidiius, the neuter comparative of rigidus, 
In the various shiftings of the name it has been changed to the positive form, rigidus, 
rigida, or rigidum. We restore the comparative form, which was evidently what 
Linnaeus intended. . 
Minnesota: Fort Snelling 
eB) + 
Oxypolis rigidior longifolia (Pursh) Britton, Mem. Torr. Club 5: 239, 
1sd4. 
Stun longifolivin Pursh, Fl. 1: 194. 1814. 
Oenanthe ambigua Nutt. Gen. 1: 189. ISIS. 
Archemora ambigua DC. Prodr. 4: 18s. 1830. 
Archemora vigida ainbigua Wood, Class-book, ed. 2, 380. 1860. 
Tiedemannia rigida ambigua C. & R. Rey. N. Am. Umbell. 47. 1888. 
Leaves elongated, linear, entire; rays fewer; fruit but + mm. long. 
Type locality, ‘*in ditches and bogs, New Jersey.” 
From New Jersey to South Carolina and Tennessee. 
We have not reexamined this material. 
4, Oxypolis fendleri (Gray) Heller, Bull. Torr. Bot. Club 24: 47s. 
1897. 
Archemora fendlert Cray, Pl. Pend). 56. 1849. 
Tiedemannia fendleri C. & Re. Rey. No Am. Umibell. 48. 1888. 
Stem slender, simple, 3 to 6 dm. high, from a large fascicle of tubers 
(2.5 em. long); leaves pinnate, 5 to 9-foliolate; leaflets ovate or oblong 
(or lanceolate in upper leaves), obtuse, 2.5 to 5 em. long, incisely 
serrate; umbel unequally 5 to 12-rayed, with neither involuere nor 
involucels; rays 1 to 3.5 em. long; pedicels + to 8 mm. long; fruit 
