46 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Wet places from Georgia and Florida to eastern Texas, Indian Ter. 
ritory, Missouri, and Kentucky. 
Specimens examined: 
Mississipri: Meridian, Tracy, June 6, 1881. 
TENNESSEE: Chester County, Bain, August, 1892. 
Missourt: Texas County, Tracy, July 3, 1886. 
Texas: Hempstead, [all 242, June 2, 1872; Thurow 6, in 1889. 
ARKANSAS: Fort Smith, Bigelow, in 1853-54; Little Rock, Letterman, in 1881; 
same station, Coville 20, July 8, 1887. 
InpIAN Territory: Sapula, Bush 193, September 21, 1894. 
For discussion of FE. americanum Walter and EF. integrifolium Walter, see C. & R. 
Rev. N. Am. Umbell. 102, and Jour. Bot. 38: 244. 1909. 
6. Eryngium phyteumae Delar. Eryng. 51. pl. 21. 1808. 
EE. discolor Watson, Proc. Am. Acad. 18: 193. 1883. 
Stem erect, slender, 3 to 6 dm, high, bearing a single head (rarely 
more); basal leaves on very long petioles, oblong to narrowly oblanceo- 
late, thin, slightly crenate ; stem leaves few, sessile, linear-lanceolate, 
acutely or spinosely toothed; head ovate-oblong (about 12 mm. long), 
with involucre of numerous linear-lanccolate spinose-tipped bracts 
(white within and green without) longer than the heads and entire or 
sparingly spinose-toothed, and a conspicuous terminal tuft of exserted 
bractlets resembling the bracts; ordinary bractlets narrow, with a 
long spinose acumination; fruit with ovate abruptly cuspidate-tipped 
calyx lobes and long slender styles. 
Type locality, ‘‘ Nova Hispania,” near Toluca, State of Mexico; col- 
lected by Huinboldt & Bonpland. 
From the mountains of southern Arizona southward into Mexico. 
Specimens examined: 
Arizona: In water, Cienega, Huachuca Mountains, Lemmon 2714, September, 
1882. 
7. Eryngium floridanum C. & R. Bot. Gaz. 18: 142. 1888. 
Erect, 6 to 9 dm. high; basal leaves narrowly oblong (2.5 to 10 em. 
long), mostly entire, on long-jointed petioles (sometimes 3 dm. long); 
upper leaves becoming sessile, elongated-linear, usually remotely ser- 
rulate; bracts linear-lanceolate, rigid, sharp-pointed, entire or spiny- 
toothed, reflexed, longer than the subglobose heads; bractlets linear, 
rigid, entire, tapering to a pungent tip, much longer than the flowers; 
fruit with short ovate acute calyx-lobes and very long rigid styles. 
Type locality, ‘brackish marshes [near Jacksonville], Florida;” 
collected by Curtiss; type in U. S. Nat. Herb. 
Brackish marshes of Florida. 
Specimens examined: 
Froripa: East Florida, Palmer 192, in 1874; near Jacksonville, Curtiss 998", 999; 
same station, Curtiss, in 1875; near Tampa, Garber, May, 1876; near Jack- 
sonville, Curtiss 4337, August 14, 1893. 
