#* 
a 
COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 51 
bractlets scarcely exceeding the flowers and rather weak, the terminal 
ones not all prominent; fruit with short ovate cuspidate-tipped sepals, 
and long slender styles. 
Type locality, ** Chirricahua Mountains, southeastern Arizona:” col- 
lected by Lemmon, no. 17, in 1881; type in U.S. Nat. Herb. 
Mountains of southeastern Arizona and extending into Mexico. 
Specimens examined: 
ARIZONA: Type specimens as cited under type locality. 
17. Eryngium leavenworthii Torr. & Gray, Fl. 1: 604. 1840. 
Stout, 3 to 9 dim. high, branching above, the upper leaves and heads 
often purplish; lowest stem leaves broadly oblanceolate, spinosely- 
toothed, gradually becoming more or less palmately parted above to 
the ordinary stem leaves, which are sessile and deeply palmately 
parted into narrow incisely pinnatifid spreading pungent segments; 
heads pedunculate, ovate-oblong, 2.5 to 3.5 em. long; involucre of 
incisely pinnatifid spinose bracts about as long as the head; bractlets 
narrow, 3 to T-cuspidate, the terminal ones very prominent, resem- 
bling the bracts and crowning the head; fruit 2. mm. long, with oblong 
pinnatifid 3 to 5 cuspidate sepals more than twice as long as the fruit, 
and short rigid styles; oil tubes large; seed flattened laterally. 
Type locality, Red River, Arkansas:” collected by Leavenworth, 
type in Herb. Gray. 
Dry soil, Kansas, Arkansas, Oklahoma, Indian Territory, and Texas, 
Specimens examined: 
Kansas: Junction City, MH. Panton; Bourbon County, Hall, in 1869. 
INDIAN Terrirory: Palmer 146, in 1868. 
OKLAHOMA: Pawnee, Blankinship, August 30, 1895. 
Texas: Wright, in 1849 and 1852; Mer, Bound. Surv. 411; Fort Worth, L. F 
Ward, September 9, 1877; same station, Mavard; Concho, Havard, July, 
1881; Gillespie County, Jermy 717; Sherman, Mrs. MW. 1. Nash, in 1888 ane 
1803; Ballinger, Neal/ey 379, August 1889. 
18. Eryngium armatum (Watson) C. & R. Bot. Gaz. 18: 141. 188s. 
I. petiolatum armatum Watson, Bot. Calif. 1:255. 1876. 
Diffuse, branching throughout, 1.5 to 3 dm. high, or even 5 to 6dm.; 
basal leaves oblanceolate (sometimes broadly so), from serrate to 
spinose-dentate, attenuate into a short more or less margined petiole; 
stem-leaves narrower and sessile; heads sessile or short-peduncled, 
globose (about [2 mm. in diameter), with involucre of triangular- 
lanceolate (broader at base) entire rigid callousimargined spreading 
bracts (LO to 15 mm. long) much longer than the head; braetlets the 
same and fully as prominent; fruit with ovate-lanceolate acuminate 
calyx lobes longer than the short styles. 
Type locality not given. 
Central California, apparently in low ground. 
