110 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Glaucous, 3 to 9 dm. high, branching; leaves 2 to 3-ternately com- 
pound; leaflets lanceolate to ovate, entire; umbels 10 to 20-rayed; rays 
5 to 8 cm. long; pedicels 8 to 12 mm. long; fruit broadly oblong, 4 
mm. long. 
Type locality, ‘* Virginia.” 
From Canada to North Carolina, west to Minnesota and Arkansas. 
Specimens examined: 
Ontario: Sturgeon Point, Scott, August 1, 1891; Kingston, Howler, July 10, 1893. 
New York: Ithaca, Pearce (May 28, 1883), Coville (May 22, 1884), Wiegand 
(June—July, 1893). 
PENNSYLVANIA: Near Lancaster, Smail, May 14, 1891. 
New Jersey: Plainfield, Tweedy, May, 1879; Sussex County, Pollard, May 19, 
1894; Guttenberg, Van Sickle, May 20, 1895. 
MaryLanb: Glen Echo, Pollard 198, May 12, 1895, 
Disrricr or Cotumsia: Rock Creek, Powell, August 1, 1877. 
Virainia: Salt Pond Mountain, Canby, August, 1890. 
NortH Carouina: Summit of Table Rock Mountain, Sinal/ & Heller 280, July 2, 
1891; near Biltmore, Biltmore Herb. 4350a, June 1, 1896. 
TENNESSEE: French Broad River, Kearney 700, August 25, 1897; Knox County, 
Ruth 426, June, 1898. 
West Virainia: Upshur County, Pollock, May, 1895 and 1897. 
Ouro: Lancaster, Bigelow; Niles, Ingraham, July, 1891; Lorain County, Ricksecker, 
May 14, 1892. 
Inprana: Crawfordsville, Rose, June 22, 1892. 
Micuican: Alma, Davis, August 28, 1891. 
In.rnois: Near Chicago, Babcock; Naperville, Umbach, July 16, 1897. 
Missourr: Jackson County, Bush 868, May 17, 1896. 
Iowa: Fayette County, Fink, June-August, 1894. 
Minnesota: Winona, Holzinger, July, 1889. 
32. EULOPHUS Nutt. in DG. Coll. Mém. 5: 69, 1829, 
Podosciadium Gray, Proc, Am. Acad. '7: 345, 1868, 
Calyx teeth prominent. Fruit flattened laterally, ovate to linear- 
oblong, glabrous. Carpel with equal filiform ribs, and thin pericarp 
with a very small group of strengthening cells beneath each rib. 
Stylopodium conical, with long and recurved styles. Oil tubes 1 to 5 
in the intervals, 4 to 8 on the commissural side, and a small group in 
the parenchyma of the commissural sulcus. Seed face broadly con- 
cave, with a central longitudinal ridge. 
Glabrous perennials 3 to 15 dm. high, from deep-seated fascicled 
tubers, with pinnately or ternately compound leaves, narrowly linear 
to oblong-linear mostly entire leaflets (or segments), the terminal one 
elongated, involucre (rarely wanting) and involucels of several lanceo- 
late acuminate usually subcarious bracts, and long-peduncled umbels 
of white or pinkish flowers. 
Type species, Hulophus americanus Nutt. 
A genus of 6 species, belonging to the United States. 
Oil tubes several in the intervals. 
Involucels of small setaceous bractlets. 
