260 NORTH AMERICAN FLORA [VoLUME 34 
TYPE LOCALITY: Siberia. 
DISTRIBUTION: Prince Edward Island to Ontario; New Hampshire to Virginia, Arkansas, 
and Iowa; California; naturalized from the Old World. 
ILLUSTRATIONS: Amman, Stirp. Rar. Rut. Ic. pl. 23; Britt. & Brown, Ill. Fl. f. 4007; ed. 2. f. 
4580. 
VI. Klotzschianae. Strict annual herbs. Leaves numerous, pinnately or bi-pinnately 
dissected into linear-filiform divisions, canescent-tomentose. Heads small, numerous in a 
narrow leafy panicle; involucre subglobose; bracts in 3 series, subequal, the outer narrow. 
Ray-flowers numerous; corollas subeylindric, glandular-granuliferous, 2-toothed; style slightly 
exserted. Disk-flowers few; corollas campanulate, 5-toothed; style included, with short 
recurved, truncate erose branches. 
29. Artemisia Klotzschiana Besser, Linnaea 15: 107. 1841. 
Artemisia mexicana Less. in Schlecht. & Cham. Linnaea 5: 163. 1830. Not A. mexicana Willd. 
A strict annual; stem simple or with erect branches, 5—7 dm. high, floccose; leaves many, 
canescent, pinnately or bipinnately divided into 5-11 linear-filiform, revolute divisions; heads 
very numerous in a narrow spike-like, dense, leafy panicle, erect and subsessile on the short 
branches; involucre subglobose, 3 mm. high and broad; bracts about 15, in 2-3 series, floccose, _ 
the outer linear-lanceolate, acute or obtuse, nearly as long as the inner; inner bracts linear- 
oblong, only slightly scarious, acutish; ray-flowers about 50; corollas scarcely 1 mm. long; 
disk-flowers 6-10, fertile; corollas campanulate, fully 1 mm. long; achenes 0.8 mm. long. 
TYPE LOCALITY: Plains of Perote, Vera Cruz. 
DIsTRIBUTION: Coahuila and San Luis Potosi to Vera Cruz and Hidalgo. 
VII. Glomeratae. Low cespitose pulvinate perennials. Leaves from once to thrice ternately 
divided into linear or linear-spatulate divisions, more or less silky, clustered at the base. Heads 
few, 15-60-flowered, clustered at the ends of the short stems in capitate clusters. Ray-flowers 
5-8, pistillate; corollas cylindric, with 2—4 rather conspicuous teeth; style short-exserted, with 
rather short oblong branches. Disk-flowers 10-50, hairy or glabrous, or glandular-granu- 
liferous, 5-toothed, trumpet-shaped or with a cylindric tube and campanulate throat; style 
scarcely exserted, with short, recurved branches, truncate and erose at the apex. 
30. Artemisia glomerata Ledeb. Mém. Acad. St.-Pétersb. 
De OO45 ISO: 
Artemisia leontopodioides Fisch.; Besser, Nouv. Mém. Soc. Nat. Mosc. 3: 63. 1834. 
? Artemisia corymbosa Fisch.; Besser, Nouv. Mém. Soc. Nat. Mosc. 3: 74. 1834. 
Artemisia globularia Ledeb.; Maxim. Bull. Acad. St.-Pétersb. 17: 435, as synonym. 1872. Not 
A. globularia Cham. 1832. 
A perennial, with a cespitose rootstock; stems simple, about 1 dm. high or less, silky- 
villous; basal leaves 1—2 cm. long, twice or thrice ternately divided into linear divisions, silky- 
canescent; stem-leaves few, pedately 3—5-cleft; heads few in a capitate or corymbiform dense 
cluster; involucre depressed-hemispheric, 3 mm. high, 5-6 mm. broad, silky-villous; bracts 
10-12, subequal, in 3 series, elliptic to oval, obtuse or acute, with brown margins; ray-flowers 
5 or 6; corollas usually with 3 conspicuous teeth, villous, 2mm. long; disk-flowers 10-15; corollas 
yellow, pubescent, 3 mm. long, with a cylindric tube and campanulate throat; achenes 1.5 mm. 
long, glabrous. 
TYPE LOCALITY: St. Lawrence Bay, Siberia. 
DiIsTRIBUTION: Alaska and eastern Siberia. 
31. Artemisia senjavinensis Besser, Nouv. Mém. Soc. Nat. Mose. 
SoODse soa. 
Artemisia glomerata H. & A. Bot. Beech. Voy. 125. 1832. Not A. glomerata Ledeb. 1805. 
Artemisia androsacea Seem. Bot. Voy. Herald 34. 1852. 
A cespitose perennial, with a thick caudex, forming dense tufts; stems scapiform, about 1 
dm. high, densely silky-hirsute; basal leaves numerous, clustered, cuneate in outline, 3—5-fid, 
oe Originally published as A. semavinensis, but spelling corrected in Bull. Soc. Nat. Mosc. 9: 64. 
