COMPOSITiE. 213 GNAPHALIUM, 



with bright scarlet flowers. A bed or patch sown thickly makes a fine 

 appearance. June— Sept. Per. Scarlet-fioiccred Cacalia. 



41. ARTEMI'SIA. 

 Involucre ovate, imbricate, witli dry, connivent scales; 

 receptacle naked or subvillous; achenia with a small disk ; 

 pappus 0. 



Probably from .Artemis, one of the names of the goddess Diana. Disk- 

 flowers numerous, perfect, tubular, 5-cleft, those of the ray few, often without 

 stamens, and with an awl-shaped corolla, or none. Bitter herbs. Leaves 

 alternate. Cor. yellow. 



1. A. Canade'nsis. 



SfC77i erect or decumbent; leaves pinnatifid with linear segments ; j?o?ccr5 

 subglobose, sessile, in crowded panicles resembling spikes. Grows on the 

 sandy shores of the great lakes. Stem 3—4 feet high, brownish, somewhat 

 woody, paniculate, mostly erect. Radical leaves subpinnate ; cauline ones 

 once or tv.ice pinnatifid. Scales of the involucre with a membranaceous 

 margin. Aug. Per. Sea llorimcood. 



2. A. vulga'ris. 



Leaves tomentose beneath, cauline ones pinnatifid, segments lanceolate, 

 acute, subdentate, floral ones entire, linear-lanceolate ; heads erect, ovoid, 

 subsessile ; mvohicre iomeniose. On the banks of streams, &c. Stem 2—3 

 feet high branching into a panicle of spicate racemes. Leaves very variable. 

 Flowers purplish. " Sept. — Nov. Common Artemisia. 



3. A. Absi'nthium. 



Leaves multifid, clothed with short, silky down, segments lanceolate ; heads 

 hemispherical, drooping; receptacle hairy. Naturalized in the mountainous 

 districts of New England, growing among rubbish, rocks and by roadsides. 

 Stems angular, branched, with erect racemes of nodding, yellow flowers. The 

 whole plarit is proverbially bitter, and of powerful medicinal qualities as a 

 tonic, stomachic, &c. Comvion Wormicood, 



4. A. AbRO'taNUM. — S^ew erect ; lower Icnres hipinnnte ; vpper ones 

 capillary, pinnate ; mpo/i/f?-e downy, hemispherical. A well known sinubby 

 plant in gardens, about 3 feet high. Leaves alternate much divided into very 

 narrow, linear segments. Flowers numerous, nodding, yellow. Native of 

 South Europe. Souther inoood. 



5. A. Po'nTICA. — Lenres downy beneath, caulihe ones bipinnate, 

 leaflets linear; heads roundish, stalked, nodding. Common in gardens, 

 where it arises 3 or 4 feet, with simple branches and racemes of yellow flow- 

 ers. Head with 24 flowers, those of the ray about 6. From Austria. 



Roman tVorinicood. 



42. GNAPHA'LIUM. 



Heads discoid, heterogamous, involucre imbricate, with 

 scarious, colored scales; receptacle flat, naked ; pappus simple, 

 scabrous, capillary ; ray-flowers subulate. 



Gr. yi>a.(pa.\ov, cotton or wool ; from the soft cottony surface of the plant 

 Marginal flowers pistillate, in several rows, central ones perfect. Leaves 

 decurrcnt. 



