COMPOSITAE (COMPOSITE FAMILY) 



121 



Erigeron, Fleabane; a, E. pulchellus; b, E. 

 philadelphicus. 



E. philadelphicus, FLEABANE. Hairy ; stem leafy, corymbed, bearing 

 several small heads ; leaves oblong, the upper clasping by a heart- 

 shaped base, entire, the lowest spatulate, 

 toothed ; rays much more numerous, very nar- 

 row, rose-purple or flesh-color. Generally in 

 rich soil. May to August. 



ANTENNARIA 



White-woolly herbs, 

 with entire leaves 

 and corymbose or 

 racemose heads. 

 Heads many-flowered, 

 dioecious; flowers all 

 tubular. Involucre 

 dry and scarious, 

 white or colored, im- 

 bricated. A c h e n e s 

 terete or flattish ; pap- 

 pus a single row of bristles. 



A. canadensis, EVERLASTING. Forming broad mats; stems slender; 

 basal leaves small, spatulate to oblanceolate ; stem leaves scattered; 

 heads loosely corymbose; styles pale, drying 

 brownish. Dry soil. May to July. 



A. plantaginif olia, P L A N T A i N-LEAVED 

 EVERLASTING. Basal leaves from broadly 

 ovate to oblanceolate ; stem leaves scattered, 

 lanceolate ; heads loosely or densely corymb- 

 ose ; styles crimson. Dry soil. April to 

 June. 



RUDBECKIA 



Herbs, with alternate leaves, and showy 

 terminal heads. Heads many-flowered, 



Ant enn aria, Everlasting; w i tn yellow rays. Bracts of the involucre 

 staminate inflorescence , p 1M ,. T, , , 



pistillate inflores- leaf-like, spreading. Receptacle conical 

 (right); base off or columnar. Achenes 4-angled, smooth, 

 with no pappus. 



R. hirta, BLACK-EYED SUSAN. Very rough and bristly-hairy through- 

 out ; stems simple or branched near the base, naked above, bearing 



deft) ; 



cence 



stem. 



