234 COMPOSITE FAMILY 



Leiaves Alternate 



bays white, pueple, or pink page 



Eays few, white, Ivs. short, erect Sericocarpus 235 



Rays few, white, Ivs. 1-3 in. long, entire. .Doellingeria 236 



Rays few, white, Ivs. large, lobed Verbesina 237 



Rays many, pappus of bristles Aster 235 



Rays many, pappus of scales and 2-4 bristles. Boltonia 235 



BAYS YELLOW 



Heads large, Ivs. narrow, smooth Actinospermum 237 



Heads large, Ivs. narrow, rough Helianthella 237 



Heads large, Ivs. oblong, entire Gaillardia 238 



Heads large, Ivs. oblong, slightly toothed. .. .Rudbeckia 236 



Heads large, Ivs. broad, toothed Helianthus 237 



Heads medium, Ivs. smooth, entire Helenium 238 



Heads medium, Ivs. rough, odorous, toothed 



Heterotheca 234 



Heads medium, Ivs. silky, woolly, or rough 



Chrysopsis 234 



Heads medium, Ivs. deeply lobed Senecio 238 



Heads small, Ivs. thread-like Euthamia 235 



Heads small, Ivs. not thread-like Solidago 235 



Heterotheca subaxillaris. Golden aster. Heads yellow, 

 about % in. across. Plants 1-3 ft. tall, much branched. 

 Leaves oblong, toothed, 1-3 in. long. Ray achenes lack hairy 

 pappus, genus otherwise resembles Chrysopsis. Sandy soil. 

 Blooming chiefly spring to fall. Fla. to Del., Texas, and 

 Kan. 



Chrysopsis graminifolia. Golden aster. Heads yellow, 

 about 1 in. across, in terminal inflorescence. Stems 1-4 ft. 

 tall. Leaves narrow, long, entire, silvery with silky hairs. 

 Pappus hairlike bristles with outer ring of microscopic 

 bristles. Sandy soil. Blooming in summer and fall. Fla. 

 to Md. and Texas. 



Chrysopsis microcephala. Heads small, many. Stems 

 clustered, 1-2 ft. tall. Leaves silvery, narrow, entire, 1-10 

 in. long. Sandy soil. Blooming spring to fall. Fla. to S. 

 C. and Texas. 



Chrysopsis scabrella. Heads about % in. across, many, 

 slightly fragrant. Plants 1-3 ft. tall. Leaves rough, entire, 

 1-3 in. long. Dry soil. Blooming in fall. Fla. 



