Dec, 1917] The Asterece of Ohio 43 



1-5 in. long, about -3 in. wide, 3-5-nerved, rough pubescent 

 on the margins and nerves of the underside. Heads sessile 

 in glomerules, arranged in a flat-topped corymb; ray flowers 

 12-20; disk flowers 8-12; bracts of the ovoid-campanulate or 

 subcylindrical involucre yellowish, oblong to oblong-lanceolate, 

 slightly viscid. In moist fields and roadsides. July to Sep- 

 tember. General. 



2. Euthamia tenuifolia (Pursh) Greene. Slender Fragrant 

 Goldenrod. Slender, glabrous, somewhat resinous plants, 

 branched above, 2-4 ft. high. Leaves narrowly linear, entire, 

 acuminate, sessile, narrow at the base, 1-nerved or with a 

 pair of faint lateral nerves, punctate with minute resinous 

 ducts, 1-lG - ^ in. wide, with often smaller ones crowded in the 

 axils. Heads in glomerules forming a dense nearly flat-topped 

 corymb; rays 6-12; disk flowers 4-6; bracts of the oblong- 

 campanulate involucre oblong. In dry, sandy soil. August to 

 October. Erie, Lucas, Cuyahoga, Lake. 



Bellis (Tourn) L. Daisy. 



Tufted herbs with scapose or branched stems. Heads rather 

 large and solitary at the ends of the scapes or branches, involucre 

 hemispherical or broadly campanulate, of 1-2 series of nearly 

 equal, imbricated, herbaceous bracts; ray flowers pink or white, 

 carpellate; disk flowers yellow, bisporangiate. Pappus none 

 or a ring of minute bristles. 



1. Bellis perennis L. European Daisy. Small plants 

 with one or more naked pubescent scapes, 1-7 in. high. Leaves 

 basal, obovate, obtuse, slightly dentate, 1-2 in. long, narrowed 

 to margined petioles, pubescent and hirsute. Heads ^-1 in. 

 broad; ray-flowers numerous, linear, white, pink, or purple; 

 bracts of the involucre oblong, obtuse and usually purple. In 

 waste places and occasionally spontaneous on lawns. April to 

 November. Lake, Cuyahoga. From Europe. 



Boltonia L'Her. Boltonia. 



Perennial herbs with striate or angled glabrous stems and 

 alternate sessile, entire leaves. Heads rather large and numer- 

 ous, paniculate or solitary on the ends of the branches. Invo- 

 lucre hemispherical or broadly campanulate, of scarious- 

 margined bracts, imbricated in several series, the outer being 

 somewhat shorter than the inner series; ray flowers carpellate; 



