Par? 3, 1916] CARDUACEAE: ANTHEMIDEAE 269 
59. Artemisia Suksdorfii Piper, Bull. Torrey Club 28: 42. 1901. 
Artemisia heterophylla Nutt. Trans. Am. Phil. Soc. II. 400. 1841. Not A. heterophylla Besser. 
1834. 
Artemisia vulgaris californica A. Gray, Syn. Fl. N. Am. 12: 373, in part. 1884. 
Artemisia vulgaris litoralis Suksd. Deuts. Bot. Monats. 18: 98. - 1900. 
A stout tall perennial herb, with a rootstock; stem usually simple, 1—-1.5 m. high, terete, 
striate, sparingly pubescent when young, soon glabrate; leaves many, lanceolate or ovate- 
lanceolate, the lower coarsely dentate or lobed, with few lanceolate divisions, 6-10 cm. long, 
acuminate, green and glabrat'e above, densely white-tomentose beneath; heads very numerous 
in a dense elongate panicle 6-8 dm. long; involucre oblong or subcylindric, about 4 mm. 
high, scarcely 2 mm. broad, only slightly floccose when young, soon glabrous, yellow and 
shining; bracts about 10, in 3-4 series, the outer lanceolate, acute, half as long as the inner- 
most, the inner oblong or elliptic, obtuse, scarious-margined; ray-flowers 3—6; corollas 2 mm. 
long; disk-flowers 3-6; corollas 3 mm. long; achenes 1.5 mm. long. 
TYPE LOCALITY: Fairhaven, Washington. 
DISTRIBUTION: British Columbia to northern California along the coast. 
60. Artemisia atomifera Piper, Contr. U. S. Nat. Herb. 11: 588. 
1906. 
A cespitose perennial; stem suffrutescent at the base, 6-12 dm. high, striate, somewhat 
floccose or glabrate; leaves numerous, firm, green and nearly glabrous, but dotted with numer- 
ous resinous granules above, white-tomentose beneath, variable in shape, mostly lanceolate 
in outline, 5—8 cm. long, the lower usually pinnatifid, with 5—7 lanceolate lobes, the upper usually 
entire; panicles oblong, 1—2 dm. long, dense and narrow, leafy-bracted; involucre campanulate, 
tomentose, 3-3.5 mm. high, 3 mm. broad; bracts about 10, oval, obtuse; ray-flowers 5-8; 
corollas 1 mm. long; disk-flowers 5-16; corollas funnelform, glandular-granuliferous, 2 mm. 
long; achenes 1 mm. long. 
TYPE LOCALITY: Wawawai, Washington. 
DistTRIBuTion: Eastern Washington. 
61. Artemisia ludoviciana Nutt. Gen. 2: 143. 1818. 
A perennial, with a branched rootstock; stem 3-6 dm. high, usually much branched, white- 
tomentose; leaves numerous, sessile, 3-10 cm. long, lanceolate in outline, entire or the lower 
pinnatifid, with lanceolate or linear-lanceolate, often falcate divisions, dark-green but slightly 
floccose when young and soon glabrate above, white-tomentose beneath; heads very numer- 
ous in a leafy panicle, horizontal or nodding; involucre campanulate, about 3 mm. high, 2-3 
mm. broad; bracts 6-8, in three series, more or less tomentose; outer bracts ovate, half as 
long as the innermost, acute; inner bracts elliptic, obtuse, broadly scarious-margined; ray- 
flowers 6-8; corollas 1.2 mm. long; disk-flowers 10-15; corollas 2 mm. long; achenes 1 mm. 
long. 
Type LOCALITY: Banks of the Mississippi, near St. Louis. 
DISTRIBUTION: Missouri to Utah, Arizona, and Texas. 
ILLUSTRATIONS: Britt. & Brown, Ill. Fl. ed. 2. f. 4588. 
62. Artemisia cuneata Rydberg, sp. nov. 
A perennial, with a creeping rootstock; stem 5-10 dm. high, tomentose, branched; leaves 
sessile, 2-4 cm. long, grayish-floccose above, white-tomentose beneath, those of the stem cune- 
ate-obovate, pinnatifid, or coarsely toothed towards the apex, the lobes or teeth ovate, often 
mucronate, those of the inflorescence lanceolate and entire; heads numerous, very short- 
peduncled or subsessile, hemispheric, about 3 mm. broad; bracts 10-12, straw-colored, oval, 
obtuse, tomentose, the inner scarious-margined; ray-flowers 6 or 7; corollas 1.5 mm. long, 
glandular-granuliferous; disk-flowers 6 or 7; corollas nearly 2 mm. long. 
Phas collected at Idaho Springs, Colorado, August 27, 1895, C. L. Shear 4617 (herb. N.Y. Bot, 
Disrrmution: Texas to Colorado. 
