COMPOSITE. 127 



2. C. Parthe'nlum, Pers. (Feverfbw.) Stem branch- 

 ing, leafy. Leaves twice-pinnately divided, the divisions 

 ovate, cut. Heads corymbed. — Escaped from gardens. 



3. C. Balsam'itSB, L. (Costmaet.) A garden-escape, 

 smooth, with pleasant odour. Leaves pale, oblong, some- 

 what toothed. Heads small, pale yellow. 



33. BEIiXIS, Tourn. Daisy. 

 B. perennis, the true Daisy, a native of the Old World, 

 is a low stemless herb. It is an uncommon garden escape. 

 The heads are many-flowered with numerous pistillate rays. 

 The scales of the involucre equal, in about 2 rows, herbace- 

 ous. Receptacle conical. Pappus wanting. 



34. MATRICA'BIA, Tourn. Wmn Chamomile. . 

 M. inodo'ra, L. Leaves twice-pinnately divided into 

 very narrow lobes. Heads large, naked-peduucled, the rays 

 many and long.— Chiefly Atl. Prov. 



36. AN'THEMIS, L. Chamomile. 



1. A. Cot'ula, DO. (^MarutaCotula.) (May-wbed.) Stem 

 branching. Leaves thrice-pinnate, finely dissected. Odour 

 disagreeable. Eays soon reflexed. — Eoadsides everywhere. 



2. A. aPVen'sis, L. (CoBif Chamomile.) Eesembling the 

 last, but the leaves are not so finely dissected, and the odour 

 not so unpleasant. — Atl. Prov. , rare. 



36. KUDBBCK'IA, L. CoNE-FLOWER. 



1. R. lacinia'ta, L. Bays linear, 1-2 inches long, droop- 

 ing. Disk greenish-ydlow. Stem tall, stnooth, branching. 

 Lowest leaves pinnate, of 5-7 lobed leafiets ; upper ones 3-5- 

 parted, or the uppermost undivided and generally ovate. 

 Heads terminal, long-peduncled. — Swamps. 



2. R. hir'ta, L. Eays bright yellow. Disk purplish- 

 brown. Stem very rough-hairy, naked above, bearing 

 single large heads. Leaves 3-ribbed, the lowest spathulate, 

 narrowed into a petiole, the upper ones sessile. — Meadows. 



3. R. COlumna'riS, Pursh. {Lepachys columnaria, Torr. 



