Part 3, 1916] CARDUACEAE: ANTHEMIDEAE 261 
densely silky-hirsute, about 1 cm. long; lobes oblong, acutish; lower stem-leaves similar but 
shorter and broader, with ovate lobes, the upper entire; heads few in a dense capitate cluster; 
involucre hemispheric, 3-4 mm. high, 4-5 mm. broad; bracts about 15, ovate, acutish, in 3 
series, with dark-brown or black margins, densely hirsute on the back; ray-flowers 5—8; corollas 
3—4toothed, glabrous or sparingly glandular-granuliferous, 2 mm. long; disk-flowers 10-20; 
corollas trumpet-shaped with a somewhat campanulate throat, glandular-granuliferous, 3 mm. 
long; achenes 2 mm. long. 
TYPE LocaLity: Senjavin Sound [eastern Siberia]. 
DIsTRIBUTION: Western Alaska and eastern Siberia. 
ILLUSTRATION: Seem. Bot. Voy. Herald pl. 6. 
32. Artemisia globularia Cham.; Besser, Nouv. Mém. Soc. Nat. 
Mosc. 3: 64. 1834. 
A perennial, with a short cespitose caudex; stems less than 1 dm. high, villous; leaves 
mostly basal, once or twice ternate, 1-3 cm. long, once or twice ternately divided into linear 
or oblong divisions, silky-villous; heads few in a dense head-like cluster ; involucre hemispheric, 
4-5 mm. high, 5-7 mm. broad; bracts 10-12, silky-villous, subequal, elliptic to broadly oval, 
obtuse, with black or dark-brown margins; ray-flowers few; corollas 2—3-toothed, glabrous; 
disk-flowers 40-50; corollas glabrous, yellow or purplish, trumpet-shaped, 5-toothed, 3-4 mm. 
long, glabrous or sparingly hairy; style-branches truncate, erose. 
TYPE LocaALity: St. Lawrence Bay, Siberia. 
Distripution: Alaska and eastern Siberia. 
VIII. Norvegicae. Low perennial herbs with rootstocks, either more or less silky or gla- 
brous, not tomentose. Heads comparatively large, 30—60-flowered, nodding in a simple racemose 
inflorescence (except in A. Parryi); involucre depressed-hemispheric; bracts in 3 series, the 
outer somewhat shorter, the inner with a herbaceous central portion and broad colored scarious 
margins. Corollas more or less villous or rarely glabrous, in a few species glandular-granu- 
liferous; those of the ray-flowers 2-toothed, subcylindric, those of the disk-flowers 5-toothed, 
funnelform or trumpet-shaped. Style of the ray-flowers short-exserted with oblong branches: 
that of the disk-flowers included or equaling the corolla; branches short, recurved, truncate 
and erose at the apex. 
33. Artemisia Richardsoniana Besser (; Hook. Fl. Bor. Am. 1: 323, 
as synonym. 1833), Bull. Soc. Nat. Mose. 9: 64. 1836. 
Artemisia arctica Besser; Hook. Fl. Bor. Am. 1: 323. 1833. Not A. arctica Less. 1831. 
egret caespitosa Besser; Hook. Fl. Bor. Am. 1: 324, in part. 1833. Not A. caespitosa Ledeb. 
A perennial, with a cespitose rootstock; stems 0.5—2 dm. high, coarsely villous; basal leaves 
loosely and coarsely silky-villous, 3-5 em. long, twice ternate or quinate, with linear or linear- 
oblong divisions; stem-leaves mostly 3-cleft or the upper entire and narrowly linear; heads 
several or many in a dense spike, interrupted below; involucre depressed-hemispheric, 4 mm. 
high, 6-7 mm. broad; bracts about 10, subequal, oval or ovate, rounded at the apex, densely 
villous on the backs, with dark-brown scarious erose margins; ray-flowers few; corollas villous, 
1.5 mm. long; disk-flowers 30-50; corollas slightly villous at the apex or wholly glabrous, 
with purplish limb, 2.5 mm. long. 
Type LOCALITY: Arctic coast, Canada, 
Distrrmution: Northwest Territory and northern Alberta. 
34. Artemisia minuta Rydberg, sp. nov. 
A low undershrub, woody at the base; stems 1 dm. high or less, at first slightly tomentose, 
in age glabrate and reddish; leaves mostly basal, silvery-silky, about 1 cm. long, pinnatifid 
with 5-7 narrowly oblanceolate approximate divisions; stem-leaves smaller, with linear-filiform 
divisions; inflorescence simple, spike-like, 2-4 cm. long; involucre hemispheric, 2.5 mm. high; 
