('AltDUACEAE. 



387 



1. Eupatorium capillifolium 



(Lam.) Small. DOG-FENNEL. 

 FRENCH FENNEL. (Fig. 419.) 

 Erect, paniculately much branched, 

 the stem finely pubescent, 3-9 

 high. Leaves crowded, glabrous or 

 nearly so, alternate, the lower 

 petioled, the upper sessile ; heads 

 very numerous, about li" high, 

 short-peduncled, racemose-panicu- 

 late, 3-6-flowered; bracts of the 

 involucre in about 2 series, linear, 

 cuspidate, narrowly scarious-mar- 

 gined, glabrous. [Artemisia capil- 

 lifolia Lam. ; Eupatorium foenicu- 

 laceum Willd. ; Artemisia tcnui- 

 folia of Lefroy and H. B. Small.] 



Waste and cultivated grounds. 

 Naturalized. Native of the southern 

 United States and West Indies. 

 Summer and autumn. 



2. Eupatorium adenophorum Spreng. 

 GLANDULAR EUPATORIUM. (Fig. 420;) 

 Erect, often diffusely branched, 3 high or 

 less, rather densely glandular-pubescent 

 above. Leaves broadly triangular-ovate, 2'- 

 6' long, 3-nerved and pinnately veined, cre- 

 nate-dentate, acute or short-acuminate at the 

 apex, obtuse or broadly cuneate at the base, 

 the slender petioles sometimes nearly as long 

 as the blades; heads numerous, many-flow- 

 ered, densely corymbose ; involucre about 2" 

 high, its bracts in about 3 series, linear- 

 lanceolate, acute or acuminate, the outer ones 

 pubescent. [E. glandulosum H.B.K.] 



Roadside, St. Georges, 1908. Introduced. 

 Native of Mexico. Flowers in spring. Natural- 

 ized in Jamaica. Grown for ornament. 



3. Eupatorium riparium 



Regel. SMALL WHITE EUPATO- 

 RIUM. (Fig. 421.) Stem slen- 

 der, often widely branched, pu- 

 berulent above, U-2i high, 

 the branches slender. Leaves 

 slender-petioled, oblong or ob- 

 long-lanceolate, thin, tripli- 

 ner'ved, sharply serrate, 2 '-4' 

 long, V-l' wide, acuminate at 

 the apex, narrowed at the base ; 

 heads numerous in terminal 

 corymbs, several-flowered, fili- 

 form-peduncled; involucre about 

 2" high, its bracts in 2 series, 

 linear, the outer pubescent. 



Roadside, Paget, 1911, appar- 

 ently escaped from cultivation. Na- 

 tive of South America. Naturalized 

 in the mountains of .Jamaica. Flow- 

 ers in winter and spring. 



