COMPOSITE. 627 



Var. Georgianus, Gray Taller (l^°-2° higli), and more slender, 

 corymbosely 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. divarieatum, Michx. Annual, decumbent, hirsute ; leaves narrow- 

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

 pappus ; aclienium nearly smooth. — Mississippi, Tennessee, and northward. 



E. annuum, Pers. Annual, liirsute, erect (2° -4° higli) ; lowest leaves 

 oblong, petioled, tootlied, tlie others lanceolate, sessile, mostly entire ; heads 

 corymbose ; rays numerous, vvliite, not twice tlie 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, ratlier thin, equal, lieceptacle conical, naked. 

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

 alternate leaves, and solitary termhial heads of wliite or purple flowers. 



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

 leaves obovate, entire, tlic upper ones lanceolate, sessile, heads peduucled; 

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



GRINDELIA, Wiild. 



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

 lucre imbricated in several rows. Receptacle flat. Aciienia 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, Nntt. Glabrous, corymbosely branching (l°-2° high) ; 

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

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

 Cedar barrens, Tennessee {Dr. Gattirifjer), and westward. 



Aplopappds rcbig£nosus, Torr. ^- Graij, 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 tlie villous top-sluiped 

 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, glabious; 

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



