Artemisia. LXXV. COMPOSITE. 349 



3. C. RENIFORMIS. Mulll. 



St. sulcate-angled ; Ivs. palmately veined, nearly smooth, green both sides, 

 petiolate, lower ones reniform, upper flabellitbrm. ; cwy?«d compound, fastigiate ; 

 hds. 5-flowered.— Woods la. ! 111., Penn., S. to Car. Stem 3— 6f high, nearly 

 simple, glabrous. Leaves 3 — 12' by 5 — 18', repand-dentate, lower petioles very 

 long. Scales of involucre 5, obtuse, whitish. July. 



4. C. TUBEROSA. Nutt. 



St. angular-sulcate; Zt's. 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 ; hds. in compound corymbs. — Marsh- 

 es, Western States ! Stem 2 — 5f high, branched above. Leaves rather thick, 

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

 and 5-flowered, white. May — Jl. 



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

 Flower. — Radical Ivs. ovate-spatulate, cauline amplexicaul, crenate; invol. 

 ovate-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 of the names of the goddess Diana. 



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

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

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

 nia with a small disk ; pappus 0. — Bitter Jierbs. Lvs. alternate. Cor. 

 yellow. 



^ 1. Receptacle naked. Disk flowers 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 used for pickles, salad, and for .seasoning soup. j;. 



2. A. DRACUNCULoiDEs. Ph. (A. cernua. Nutt.) 



Erect, much branched, whitish pubescent when young; lower lvs. 3-cleft, 

 upper entire, narrowly linear, attenuated at both ends ; hds. globose, small, nod- 

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

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

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

 times trifid. 



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



Cffispitose, silky- villose or smoothish ; st. simple (6 — 10' high); lower lvs. 

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

 pinnately 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. Houghton in T. & G. Fl. ii. 417. 



4. A. Canadensis. Michx. Sea Wormwood. 



St. erect or decumbent ; lvs. pinnatifid with linear segments ; Jls. subglo- 

 bose, sessile, in crowded panicles resembling spikes. — Tj. Shores of the great 

 lakes. Plum Lsland, Bigelmo. Near Amherst College, Hitchcock. Willoughby 

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

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

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

 margin. Aug. 



5. A. CAUDATA. Michx. 



St. herbaceous, simple, densely and pyramidally paniculate ; radical arid 

 lower cauline lvs. subbipinnate, pubescent, upper ones subpinnate, segments sub- 

 setaceous, 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- 



