356 COMPOSITAE. Vor. III. 
Receptacle flat. 
Flowers white; leaves ovate. 
Leaves thin, 2’-5’ long, sharply dentate, acuminate. 18. E. urticaefolium. 
Leaves firm, 1-2’ long, obtusely dentate, acute or obtusish. 19. E. aromaticum. 
Flowers pink to purple; leaves deltoid-ovate. 20. E. incarnatum, 
Receptacle conic; flowers blue or violet ; leaves petioled. 21. E. coelestinum. 
1. Eupatorium capillifélium (Lam.) Small. 
Dog-fennel. Hog-weed. Fig. 4152. 
Artemisia capillifolia Lam. Encycl. 1: 267. 1783. 
Eupatorium foeniculoides Walt. Fl. Car. 199. 1788. 
E. foeniculaceum Willd. Sp. Pl. 3: 1750. 1804. 
E. capillifolium Small, Mem. Torr. Club 5: 311. 1894. 
Erect, paniculately much branched, with the as- 
pect of an Artemisia, the stem finely pubescent, 
4°-10° high. Leaves crowded, glabrous or nearly 
so, alternate, pinnatifid into filiform segments, the 
lower petioled, the upper sessile; heads very nu- 
merous, about 14” high, short-pedicelled, race- 
mose-paniculate, 3-6-flowered; bracts of the invo- 
lucre in about 2 series, linear, cuspidate, narrowly 
scarious-margined, glabrous; flowers greenish- 
white. 
In fields, Virginia to Florida. In ballast, at Phila- 
delphia. Also inthe West Indies. Sept. 
2. Eupatorium maculatum L. Spotted 
Joe-Pye Weed.. Fig. 4153. 
E,. maculatum L. Amoen. Acad. 4: 288. 1755. 
Eupatorium purpureum var. maculatum Darl. FI. 
Cest. 453. 1837. 
Eupatorium maculatum amoenum Britton, Mem. 
Torr. Club 5: 312. 1894. 
Similar to the two following species, sca- 
brous or pubescent, often densely so, 2°-6° 
high. Stem usually striate, often rough and 
spotted with purple; leaves thick, ovate or 
ovate-lanceolate, coarsely dentate, verticillate 
in 3’s—5’s, or the upper ones opposite; inflores- 
cence depressed, cymose-paniculate; pedicels 
and outer scales of the involucre pubescent; 
flowers pink or purple. 
In moist soil, Newfoundland to New York, 
Kentucky, British Columbia, Kansas and New 
Mexico. Spotted boneset. Perhaps to be re- 
garded as a race of E. purpureum. Aug.—Sept. 
3. Eupatorium Brineri A. Gray. Bru- 
ner’s Trumpet-weed. Fig. 4154. 
Eupatorium Bruneri A. Gray, Syn. Fl.17: 96, 1884. 
Eupatorium Rydbergi Britton, Manual 921. 1901. 
Stem tall, pubescent, often densely so, at 
least above. Leaves verticillate in 3’s—5’s, rather 
slender-petioled, lanceolate, serrate, acuminate 
at the apex, narrowed at the base, scabrous 
above, finely densely pubescent and reticulate- 
veined beneath, 4’-6’ long, #’-2’ wide; inflores- 
cence depressed or subpyramidal; outer bracts 
of the cylindric involucre pubescent; flowers 
pink or purple. 
In moist soil, South Dakota to Wyoming, Ne- 
braska and Colorado. Apparently erroneously 
recorded from Iowa. July—Sept. 
