COMPOSITE. 627 



Var. Georgianus, Gray. Taller (l-2 high), and more slender, 

 coryrabosely branched above ; lower leaves lanceolate, sparingly serrate ; 

 corymb larger and more loosely flowered ; ray-flowers sterile, the style short 

 or abortive. Mountains of Georgia. September. 



ERIGERON, L. 



E. divaricatum, Michx. Annual, decumbent, hirsute : leaves narrow- 

 linear ; heads loosely corymbose ; rays purple, not longer than the simple 

 pappus ; achenium nearly smooth. Mississippi, Tennessee, and northward. 



E. annuum, Pers. Annual, hirsute, erect (2 -4 high) ; lowest leaves 

 oblong, petioled, toothed, the others lanceolate, sessile, mostly entire ; heads 

 corymbose ; rays numerous, white, not twice the length of the sparsely hir- 

 sute involucre; inner pappus of the ray-flowers scanty or none. Waste 

 places, Florida, and northward. May and June. 



BELLIS, Tourn. DAISY. 



Heads many-flowered. Rays pistillate, in a single row. Scales of the in- 

 volucre mostly in two rows, rather thin, equal. Receptacle conical, naked. 

 Achenia obovate, compressed, wingless. Pappus none. Low herbs, with 

 alternate leaves, and solitary terminal heads of white or purple flowers. 



B. integrifolia, Michx. Annual, brandling, smooth (6' -12' high); 

 leaves obovate, entire, the upper ones lanceolate, sessile, heads peduncled ; 

 rays pale purple ; achenia rough. Tennessee (Dr. Gattinger), March. 



GRINDELIA, Willd. 



Heads many-flowered. Rays pistillate. Scales of the hemispherical invo- 

 lucre imbricated in several rows. Receptacle flat. Achenia oval or obovate, 

 glabrous. Pappus of 2-8 rigid deciduous awns or bristles. Perennial 

 herbs, with alternate leaves, and single heads of yellow flowers terminating 

 the branches. 



G. lanceolata, Nutt. Glabrous, corymbosely branching (l-2 high) ; 

 leaves lanceolate, sessile, sharply serrate ; involucre glutinous, the scales 

 nearly equal, ending in a filiform point ; bristles of the pappus mostly 2. 

 Cedar barrens, Tennessee (Dr. Gattinger), and westward. 



APLOPAPPUS RUBIGINOSCS, Torr. fr Gray, a branching herb 2 -3. high, 

 the leaves with sharp spreading bristle-pointed teeth, the single heads of 

 yellow flowers terminating the leafy branches, and the villous top-shaped 

 achenium crowned with a copious scabrous pappus, is spontaneous at Punta 

 Rassa, South Florida, doubtless introduced from Texas. 



SOLIDAGO, L. 



S. Missouriensis, Nutt . , var. pumila. Low (1 high ), simple, glabrous ; 

 lower leaves lanceolate, rather obtuse, tapering into a petiole, entire, or ob- 



