250 COMPOSITE FAMILY. 



G. arist^ta, Pursh. More downy tlian the last, less branched, with 

 large showy rays yellow throughout, or then- base brown-purple. In cul- 

 tivation known as G. GiiAXDU-LouA. 11 Dak., S. and W. 



48. DYSODIA, FETID MARIGOLD. (Greek : denoting tH-sceHf of 

 the plant.) (p. 224.) 



D. chrysanthemoides, Lag. A low weed, nearly smooth, with spread- 

 ing branches, opposite pinnately parted and finely cut leaves, and few 

 yellow rays scarcely exceeding the involucre. Koadsides, W. and S. ® 



49. TAGETES, FRENCH or AFRICAN MARIGOLD, but from 

 South America and Mexico. (Mythological name.) Plants strong- 

 scented ; leaves pinnate, the leaflets cut-toothed. (p. 224.) 



T. erecta, Linn. Lauge African M. Leaflets lanceolate, inflated 

 club-shaped peduncles, and heads of orange or lemon-colored flowers, 

 often full-double. 



T. pdtula, Linn. French M. AVith finer lance-linear leaflets, cylin- 

 drical peduncles, and narrower heads, the rays orange or with darker 

 stripes. 



T. signata, Bartl. More delicate, low, much-branched species, with 

 finely cut leaves, slender peduncles, and smaller heads, the 5 rays purple- 

 spotted or spotted and striped with darker orange at base. 



50. ANTHEMIS, CHAMOMILE. (Ancient Greek name, from the 

 profusion of flowers.) Natives of Old World. Peduncles bearing 

 solitary or very few heads, (p. 220.) 



* Hays neutral. 



A. Cdtula, Mayweed. Roadsides, e.specially E. ; low, strong-scented 

 and acrid, with leaves thrice i)innately divided into slender leaflets or 

 lobes, rather small heads terminating the branches, with white rays and 

 yeUow center ; all summer. ® (Lessons, Fig. 379.) 



* * Bays pistillnte. 



A. arvensis, Linn. Resembles Mayweed and grows in similar places, 

 but less common ; not unpleasantly scented, has fertile rays and a minute 

 border of pappus. ® (2) 



A. ndbi/is, Liun. Yields the Chamomile-flowers of the apothecaries; 

 spreads over the ground, very finely divided foliage pleasantly strong- 

 scented ; rays white ; pappus none. ^ 



A. tinctdria, Linn. Cult, for ornament ; 2°-3° high, with pinnately 

 divided and again pinnatifid or cut-toothed leaves and heads as large as 

 those of Oxeye Daisy, with golden-yellow^ flowers, or the rays some- 

 times white. 2/ 



51. ACHILLEA, YARROW, SNEEZEWORT. (Named after 

 Achilles.) Leafy-stemmed, with small heads in corymbs. 2/ (p. 220.) 



A. Millef6lium, Linn. Common Y. or Milfoil, abounds over fields 

 and hills ; W-21)' high, with leaves twice pinnately parted into very 

 slender and crowded linear 3-5-cleft divisions, heads crowded in a close 

 flat corymb, with 4 or 5 short rays, white (sometimes rose-colored). 



A. Pt6rmica, Linn. Sneezkwout. Run wild from Eu. in a few places, 

 cult, in gardens, especially a full-double variety ; leaves simple, lance- 

 linear, sharply cut-serrate ; heads in a loose corymb, with 8-12 or more 

 rather long bright white rays. 



