IOWA ACADEMY OF SCIENCES. 223 



Andropogon Virginicus, L. Alva (489). Old fields. 

 Andropogon Flexilis, Bosc. Marco, Puiita Uassa, Sanibel 



(438). Sandy prairies. 

 Andropogon Macrourus, Michx. Marco, Myers (437). 



Swamps and ditches. 

 Heteropogon Acuminatus, Trill. Alva (465). A weed in 



an orange grove. 

 Sorghum Halapense, Fers. Marco (521). Along edge of 



fields, in shell mounds. 

 Sporobolus Domingensis, Kunth. Sanibel (528), Marco 



(529), (530). Everglade. Along seabeach. 

 Sporobolus Junceus, Kunth. Sanibel (525), Myers. Old 



sandy field (No. 525); also in flatwoods. 

 Sporobolus Indicus, Brown. Myers (524). A weed along 



streets. Called smut grass. 

 Sporobolus Virginicus, Kunth. Marco (526). A robust 



form two to three feet high, growing on sandy sea- 

 coast. Salt marshes. No. 526 is the same as Curtiss 



5554. Myers (527), Sanibel. 

 Aristida Payula, Chapm. Sanibel, Myers (445), Marco. 



Around ponds and swamps. 

 ^RiSTiDA Purpurascens, Poii". Nasli 2424. Sanibel, Punta 



Rassa (443). Open ground near coast. 



Aristida P^^lustris, Vasey. Myers. Flatwoods. 



Aristida Stricta, Michx. Myers (444). Flatwoods. The 

 same occurs in fields, where the clumps are much 

 larger. 



Aristida Spiciformis, Ell. Myers (442), Marco. Flat- 

 woods. 



Muhlenbergia Capillaris, Kunth. Sanibel (466). Sandy 

 prairies. 



Phleum Pratense, L. Myers. Probably escaped from cul- 

 tivation. 



Spartina Juncea, Willd. Marco (523), feanibel. Salt 

 marshes. 



Spartina Stricta, Roth. Maritima, Scribn. Marco (522). 

 Seabeach. 



