A-RTEansiA. LXXV. COMPOSlTiE. 349 



3. C. RENIFORMIS. Muhl. 



SL sulcate-angled ; lis. palmately veined, nearly smooth, gfreen both sides, 

 petioUte, lower ones reniiorin, upper riabellilorm; c«r7/??i(!/ compound, (asiigiate; 

 Ms. 5-tlowered. — Woods la. ! 111., Penn., S. to Car. Stem 3 — til high, nearl) 

 simp'e, glabrous. Leaves 3 — 12' by 5 — 18', repand-dentate, lower petioles verj 

 long. Seale.s of involucre 5, obtuse, whitish. July. 



4. C. TUBEROSA. Nutt. 



SL angular-sulcate ; Ivs. oval or ovate, strongly 5 — 7-veined, obtuse or 

 subacute, entire or repand-denticulate, not glaucous, lower ones tapering into 

 long petioles, upper ones on short petioles ; ht/s. in compound corymbs. — Marsh- 

 es, Western States ! Stem 2 — 5t' high, branched above. Leaves rather thick, 

 3 — 7' long, I as wide, veined like those of the plantain. Heads oblong, 5-leaved 

 and 5-flowered, white. M-ay — Jl. 



5. C. cocciNEA Curt. (Emilia sagittata. DC.) Scarlet Cacalia. Tassel 

 F'hmer. — Radical Its. ovate-spatolate, cauline ample.xicaul, crenate; invol. 

 evnte-cylindric, scales linear, at length reflexed; ach. ciliate ; pappus in several 

 rows. — A pretty garden flower, native of the E. Indies, &c. Stem If or more 

 high. Flowers bright scarlet. Jn. — Sept, A bed or patch sown thickly makes 

 a fine appearance. 



52. ARTEMISIA. 



Probably from Artemis, one ofthe names of the goddess Diana. 



Involucre ovoicl, imbricate, with dry, connivent scales ; receptacle 

 naktid or subvillous ; disk flowers numerous, ?, tubular, ray flowers 

 few, often without stamens, and with a subulate corolla or ; ache- 

 uia \nih. a small disk ; pappus 0. — Bilter herbs. Lvs. alternate. Cor. 

 yelLcw. 



§ 1. Receptacle naked. Dish floivers sterile. 



1. A. Dracuncijlus. Taragon. — Lvs. smooth, lanceolate, acuminate at each 

 end; hds. subglobose, pedunculate, erect. — A culinary herb, native of S. Eu- 

 rope. Stem herbaceous, 2 — 3fhigh. Jl. Aug. — It is of the easiest culture, and 

 is us-,'d for pickles, salad, and for seasoning soup. ^ 



2. A. DRACUNcuLolDF.s. Ph. (A. cernua. Nutl.) 



Erect, much branched, whitish pubescent when young", loteer lvs. 3-cleft, 

 uppet entire, narrowly linear, attenuated at both ends ; kds. globose, small, nod- 

 ding, pedicellate, in paniculate racemes; scales with scarious margins. — St. 

 Loui^, Mo, to the Saskatchawan. Stem shrubby, 6— 8f high, with numerous 

 slent er branches. Leaves I — 4' by 1 — 3", radical trifid or sometimes 2 or 3 

 time i trifid. 



3. A. BOREALis. Pallas. (A. spithamsea. Ph.) 



CsEspilose, silky-villose or smoothish ; si. simple (6 — 10' high); Inwerlvs. 

 ppticlate, linear-lanceolate, entire towards the base, ternately, pinnately or bi- 

 pinnitely parted above, with linear lobes, upper lvs. linear, 3 — 5-cleft or entire; 

 hds. hemispherical, spicate or racemose-paniculate. — Keweena Point, Lake Su- 

 perior. Dr. HoughLon in T. & G. Fl. ii. 417. 



4. A. Canadensis. Michx. Sea Wormwood. 



S/. erect or decumbent ; lvs. pinnatifid Avith linear segments ; ^s. subglo- 

 bose sassile, in crowded panicles resembling spikes. — 11. Shores of the great 

 lake'. Plum Island, i?(5-e/o?6'. Near Amherst College, //dVcAcoc^-. Willoughby 

 Mt., Vt., Wood. Stem 2 — 4f high, much branched, sulcate, brownish, mostly 

 erec . Leaves all much divided into linear-setaceous .segments. Heads nume- 

 rous small, forming a large panicle of racemes. Scales with a membranous 

 marjin. Aug. 



5. A. CAUDATA. Michx. 



S^ herbaceous, simple, densely and p5'ramidally paniculate; radical ani 

 lov;er cauline lvs. subbipinnate, pubescent, upper ones subpinnate, segments sub- 

 setat-eous, alternate ; hds. ovoid-globose, pedicellate, erect. — On the sea coast, 

 N. H. to R, I. • Stem 3 — 5f high, strict. Leaves in many attenuated and some- 



