COMPOSITE FAMILY. 235 



S. rug6sa, Mill. Very leafy, l°-0°, rough-hairy ; leaves ovate-lance- 

 olate or oblonir, lirm, very rugose, often scabrous above and hirsute on 

 the veins beneath ; rays 6-9. Can. to Tex. 



S. ulmif61ia, Muhl. Stem smooth ; leaves thinner, elliptic to oblong- 

 lanceolate, soft-hairy beneath ; rays about 4. Me., W. and S. 



+ + Foliage inconspicuously reticulated, not scabrous above, and com- 

 monly smooth and glabrous beneath. 



- Very leafy to the top. 



S. Ellidttii, Tnrr. & Gray. Smooth, stout, l°-3° ; leaves very numer- 

 ous, elliptic or oblong-lanceolate, acute, strongly veined, thick, shining 

 above ; heads in dense spreading racemes of a crowded, often pyramidal 

 panicle. Mass. to Ga. 



— Leaves becoming few and small towards the top of the stem. 



S. negl^cta, Torr. & Gray. Smooth, stout, 2°-i° ; upper leaves 

 oblnng-lauceolate, acute and nearly entire, the lower ovate-lanceolate or 

 oblong and sharply serrate ; racemes short and dense, becoming spread- 

 ing ; akenes nearly glabrous. Bogs, Can. to Md., W. 



S. Bo6ttii, Hook. From smooth to pubescent, slender, 2°-5° ; leaves 

 ovate- to oblong-lanceolate, pointed, finely serrate ; heads loosely racemose ; 

 raj's 1-5 (orO); akenes pubescent. Va., S. 



S. argtita, Ait. Stem angled, smooth, 2°-4° ; leaves large and thin, 

 ovate, strongly sharp-serrate ; racemes pubescent, spreading, in an 

 elongated open panicle ; rays large, 6-7 ; akene generally glabrous. 

 N. Eng. to Ohio and Va. 



S. juncea, Ait. Smooth ; stem rigid and mostly simple, l°-3° ; stem 

 leaves elliptic or lance-oval, sharply serrate, pointed, the radical ones 

 lanceolate or narrow-oblong ; racemes dense and naked, becoming elon- 

 gated and recurved, forming a handsome corymbose panicle ; rays small, 

 8-12, Common, Can. to Tenn. 



12. BELLIS, DAISY. (Latin: bellus, pretty.) Flowers spring and 

 summer (p. 225). 



B. integrif61ia, Michx. In open grounds from Ky., S. W. ; stems 

 branching, spreading, 4'-10' long, bearing some lanceolate-oblong or 

 spatulate leaves, and terminal, slender-peduncled heads with pale blue- 

 purple rays. (g) 



B. perennis, Linn. True or English Daisy. Cult, from W. Eu., 

 mostly in double-flowered varieties, i.e., with many or all the di.sk flowers 

 changed into rays, or, in the common quilled form, all into tubes (pink 

 or white); in the natural state the center is yellow, the rays white and 

 more or less purplish or crimson-tipped underneath ; head solitary, on a 

 short scape ; leaves spatulate or obovate, all clustered at the root. ^ 



13. BOLTONIA. (Named for .rnmrs Bolton, an English botanist.) 

 Wild jjlants of low grounds S. and W., resembling Asters except in the 

 akenes and pappus ; ray flowers blue-purple or nearly white ; disk 

 flowers yellow ; in autumn. 2/ (p. 226.) 



B. diffiisa, L'ller. Heads small, loosely panicled on the slender, open 

 branches, winch bear small, awl-shaped leaves, those of the stem lance- 

 linear ; pappus of several bristles and 2 short awns. 111. and S. 



B. asteroides, L'Her. Heads fewer and larger, in corymbs; leaves 

 lanceolate; pappus of minute bristles and 2 (or 0) awns. Penn., S. 

 and W. 



