ae eee ee en a 
COULTER AND ROSE ~ NORTH AMERICAN UMBELLIFERAE. 49 
Type locality, sandy barrens of ‘* Natchitoches County, La.;” col- 
lected by A. B. Lang/o/s; type in Herb. Columbia Univ. 
Barrens of Georgia, to Louisiana and Texas. 
Specimens examined: 
Georgia: Irby, Tracy 1492, July 28, 1890; Poulan, Worth County, Pollard & 
Maxon 547, August 14, 1900. 
12. Eryngium hookeri Walp. Repert. 2: 380. 1843. 
E. coronatum Torr, & Gray, Fl. 1: 604. 1840, not Hook. & Arn. 
Stem erect, branching above, 3 to 6 dm. high; basal leaves petioled, 
somewhat dentate; lower stem leaves almost sessile, lanceolate, lacini- 
ately toothed and spinulose, with a pair of small laciniate segments at 
base; upper leaves palmately 5 to 7-parted, with narrow pinnatifid-lacin- 
late spinose-tipped segments; heads ovate-oblong (8 to 12 mm. long); 
involucre of numerous narrowly lanceolate spinny-toothed bracts longer 
than the head; bractlets lanceolate, entire, spiny at tip, 1 or 2 of the 
terminal ones often elongated and conspicuously exceeding the head; 
fruit scaly, 1 mm. long, with ovate spiny-tipped calyx-lobes, and short 
styles. , 
Type locality, **Texas;” collected by Drununond. 
Low grounds, Texas. 
Specimens examined: 
Texas: Matagorda County, Beehdoll; swampy prairies near Dallas, Reverchon 
307, July, 1879 and 1880; Harris and Navarro counties, Joor; prairies, Pam- 
mel, July, 188s. 
13. Eryngium aromaticum Baldwin in Elliott’s Sketch 1: 344. 1821. 
Stems decumbent or erect, several from one root, simple to near the 
summit, very leafy, 3 to 6 dm. high; leaves pinnately parted, with 
entire segments and cartilaginous margins; the 3 upper segments 
remote and broader, cuspidate: the lower ones scattered and setaceous; 
heads gtobose, 6 to 10 min. lone, with 8-cleft bracts longer than the 
head, and 3-toothed bractlets; fruit tuberculate, 1mm. long, with seta- 
ceous calyx teeth 2 mm. long, and long styles; oil tubes large; seed 
flattened dorsally. with plane face. 
Type locality, “dry pine barrens, Florida.” 
Pine barrens of Florida and Adiabene. 
Specunens exantined: 
Fioripa: Caloosahatchee, Chapman; near Jacksonville, Curtiss 1001; St. Augus- 
tine, Mary Reynolds, September, 1875; Tocoi, Garber, July, 1876; Manatee, 
Garber, September, 1877; Kast Florida, Paliner 191, in 1874; Manatee, Sump- 
son, In 1889; near Jacksonville, Curtiss 4335, 5215, September, 1893 and 1894; 
Lake City, Nash 2491, August 29-31, 1895. 
14. Eryngium diffusum Torr. Ann. Lye. N.Y. 2: 206. 1svs, 
Usually low and diffusely branching from the base, varying from 
2 to 40 em. in height; leaves sessile, palmately parted, coriaceous, 
midrib very prominent beneath and margins cartilaginous; segments 
5872—4 
