Parr 3, 1916] CARDUACEAE: ANTHEMIDEAE 279 
97. Artemisia Prescottiana Besser; Hook. Fl. Bor. Am. 1: 324. 
1833. 
A perennial, branched at the base; stems about 4 dm. high, slender; leaves 3-5 cm. long, 
pinnatifid or those of the inflorescence entire and filiform; divisions 3-7, filiform, divergent, 
revolute-margined, green and glabrous above, minutely white-tomentose beneath; inflorescence 
racemiform, 1—2 dm. long, simple; heads short-peduncled, erect; involucre hemispheric, about 
5 mm. broad; bracts 10-12, nearly glabrous, light-brown, shining, the inner broadly obovate, 
rounded at the apex, scarious on the margins; ray-corollas 2 mm. long, tubular; disk- 
corollas yellowish, 3 mm. long, with a campanulate throat. 
; Type Locaity: Northwest America [Quick Sand River, near the Grand Rapids of the Colum- 
bia]. 
DISTRIBUTION: Known only from the type locality. 
98. Artemisia neomexicana Greene, sp. nov. 
Artemisia redolens Wooton & Standley, Contr. U.S. Nat. Herb. 19: 739. 1915. Not A. redolens 
A. Gray. 1886. 
A perennial, with a creeping rootstock; stems about 5 dm. high, slightly floccose when young, 
soon glabrous, striate; leaves alternate, numerous, sessile, 3-7 cm. long, pinnately divided into 
few linear divisions, 1-2 mm. wide, or some entire, light-green and glabrate above, white- 
tomentose beneath; heads very numerous in a narrow dense leafy panicle, crowded; involucre 
hemispheric, 3 mm. high and 4 mm. broad; bracts about 10, in 3—4 series, yellowish, only slightly 
arachnoid when young, the outermost narrowly lanceolate, not much shorter than the inner- 
most; inner bracts oval, obtuse, broadly scarious-margined; ray-flowers 12-15; corollas 1.5 
mm. long; disk-flowers 12-18; corollas yellow; achenes nearly 1.5 mm. long. 
Type collected in a grassy glade, Hillsboro Peak, Black Range, New Mexico, August 25, 1904, 
Metcalfe 1248 (herb. N. Y. Bot. Gard.). 
DiIsTRIBUTION: Southern New Mexico and northern Chihuahua. 
99. Artemisia Wrightii A. Gray, Proc. Am. Acad. 19: 48. 1883. 
A perennial, with a branched rootstock; stems mostly simple, 3-5 dm. high, sparingly 
floccose or glabrate, strict; leaves numerous, 1—4 cm. long, pinnatifid into 3-7 linear-filiform 
spreading revolute divisions, slightly pubescent and conspicuously punctate above, white- 
tomentose beneath; heads numerous in a leafy, often narrow panicle, erect; involucre cam- 
panulate, about 3 mm. high, 2 mm. broad; bracts 10-12, in 4 series, glabrate or sparingly 
floccose, the outer ovate, about one third as long as the inner; inner bracts elliptic, obtuse; 
ray-flowers 10-12; corollas 1 mm. long; disk-flowers about 10; corollas nearly 2 mm. long; 
achenes about 1 mm. long. 
Type Loca.ity: “Plains of S. Colorado and New Mexico” [but the type was collected at 
Santa Rita del Cobre, New Mexico]. 
DISTRIBUTION: New Mexico and Arizona; (Colorado?). 
100. Artemisia Bakeri Greene, Pl. Baker. 3: 31. 1901. 
Artemisia mexicana Bakeri A. Nelson; Coult. & Nels. Man. 569. 1909. 
A perennial, somewhat suffruticose at the cespitose base; stems branched, 3-6 dm. high, 
glabrous or nearly so, striate; leaves 2-5 cm. long, pinnately divided into 3-7 linear-filiform, 
divergent, revolute divisions, or the upper entire, glabrate and green above, finely white- 
tomentulose beneath; heads numerous in a leafy panicle, nodding; involucre hemispheric, 
about 3 mm. high and as broad; bracts about 10, in about 3 series, sparingly arachnoid, the 
outermost lanceolate, about half as long as the innermost; inner bracts elliptic, obtuse; ray- 
flowers about 10; corollas 1 mm. long; disk-flowers about 10; corollas 1.5 mm. long. 
Tyre LocaLity: Cafion of the Gunnison, near Cimarron, Colorado. ‘ 
Disrerution: Central Colorado and eastern Utah to Arizona and New Mexico. 
