202 IOWA ACADEMY OF SCIENCES. 



Carphephorus Corymbosus, T. & G. Myers (137). Flat- 

 woods. 



Trilisia Odoratissima, Cass. Myers and Marco (1G9 . 

 Flatwoods. 



Chrysopsis Argentea, Ell. Myers, Marco (138). Flat- 

 woods. . 



Aplopappus Rubiginosus, T. & G. var. Plujllocephalus, 

 Gray. Sanibel, Punta Rassa (174). Along the sea- 

 shore, near the mangroves. 



Bigelovia Nudata, DC. Myers. Around ponds. 



Solidago Sempervirens, L. Myers (168). Near ponds in 

 flatwoods. 



Solidago Chapmani, Gray. Marco, Myers (167\ Flatwoods, 

 chiefly near ponds, among the rank palmettos. 



Sericocarpus ToRTiFOLius, Nees. Myers (165). Flatwoods. 



Aster Carolinianus, Walt. Myers. Along river, in 

 thickets. 



Aster Adnatus, Nutt. Myers. Flatwoods. 



Aster Subulatus, Michx. Myers. 



Erigeron Nudicaulis, Michx. Myers (143). Wet- weather 

 ponds in flatwoods. 



Erigeron Quercifolius, Lam. Myers, Sanibel (145). Old 

 sandy fields. 



Erigeron Canadensis, L. Sanibel, Marco, Myers (144). A 

 w^eed in waste places. 



Baccharis Glomeruliflora, Pers. Marco. Brackish marsh. 



Baccharis Angustifolia, Michx. Myers (131 ', Marco (132). 

 Brackish or salt marshes. A shrub four to six feet. 



Pluchea Bifrons, DC. Marco, Myers (161). Flatwood 

 ponds. 



Pluchea Imbricata, Nash. Myers (162). Along ditch, in 

 flatwoods. In the fields this has so different an aspect 

 that I think it is entitled to rank as a species. 



Pluchea Camphorata, DC. Marco, Myers (160). Margins 

 of ponds and rivers. 



Pterocaulon Pycnostachyon, Ell. Marco, Myers (163). 

 Flatwoods. 



Gnaphalium Purpureum, L. Alva. Open, sandy soil. 



