IOWA ACADEMY OF SCIENCES. 219 



DiCHROMENA Latifolia, Baldw. Myers (399). Flatwood 

 ponds, in water. 



Cladium Efiusum, Torr. Myers and Sanibel (380), Marco. 

 Ponds and marshes. Saw-grass. 



ScLERiA Sp. Myers (433). Along a ditch. Culms filiform, 

 a foot or two high. Rootstock knotty, creeping. Leaves 

 narrow, almost filiform. Flowers one or two. Nutlets 

 reticulated. 



ScLERiA Verticellata, Muhl. Myers. 



ScLERiA Triglomerata, Michx. Alva (431). In an old 

 field. 



Scleria Olioantha, Ell. Myers (432). Wet places in 

 flatwoods. 



Scleria Laxa, Torr. Myers (428). Along a ditch. 



ScLEEiA Baldwinii, Torr. Myers (430). Growing in water 

 in flatwood pond. 



Scleria Filiformis, Sw. Myers (429). (Irowing in water 

 in flatwood pond. 



Carex Albolutescens, Schwein. Myers. 



Carex Gigantea, Rudge. Alva (378). Along river bank,, 

 growing in the water. 



Reimaria Oligostachya, Munro. Myers, Sanibel. 



Paspalum Platycaulon, Poir. Myers (-302), (503). Alva. 

 Swamps and ditches. Also in mud along streets (No. 

 503). Forms long runners. 



Paspalum Paspaloides, Scrib. Alva, Myers (504). Flat- 

 wood ponds. Grows in or near the water. Forms 

 long runners. 



Paspalum Distichum, L. Myers (506). Sanibel. A com- 

 mon weed in fields, where it is exceedingly trouble- 

 some on account of the rooting runners which may 

 extend several feet. Called there "Thompson grass" 

 or "Fort Thompson grass." It is a valuable forage 

 grass. 



Panicum Vaginatum, Sw. Myers (505). Meadows near 

 salt marshes. 



Paspalum Ciliatifolium, Michx. Sanibel, Marco, Punta 

 Rassa, Myers (507). A weed in fields. This and the 

 two preceding are also found in the flatwoods, but 



