218 IOWA ACADEMY OF SCIENCES. 



Frimbristylis Puberula, Vahl. Myers (408), (409). Flat- 

 woods; No. 409 was a weed in an orange grove. Grows 



in bunches; no rhizomes. 

 Frimbristylis Laxa, Vahl. Alva. 

 Frimbristylis Autumnalis, R. & S. Myers (406), (407), 



Marco. Around flat wood ponds. 

 Stenophyllus Capillaris, Britt. Myers (405), (411). Punta 



Rassa. Flatwoods. 

 Stenophyllus Warei, Britt. Myers (434). Flatwoods. 

 Stenophyllus Stenophyllus, Britt. Myers (485). Flat- 

 woods. 

 Rhynchospora Cyperoides, Mart. Myers (418). Flatwood 



ponds, growing in water. 

 Rhynchospora Patula, Gray. Myers (426). Margin of 



cypress swamp. 

 Rhynchospora Divergens, Chapm. Myers. 

 Rhynchospora Intermedia, Britt. Myers, Marco, Alva 



(427). Flatwoods. 

 Rhynchospora Filifolia, Gray. Myers. 

 Rhynchospora Fascicularis, Vahl. Myers (423), (424), (549). 



Ponds and ditches, in flatwoods. 

 Rhynchospora Dodecandra, Baldw. Marco, Alva (417). 



Flatwoods. 

 Rhynchospora Cymosa, Nutt. Myers (425). Around ponds 



and flatwoods. 

 Rhynchospora Microcarpa, Baldw. Myers (421), Marco. 



Ponds in flatwoods. 

 Rhynchospora Caduca, Ell. Alva, Myers (422). Swamps 



and ditches. 

 Rhynchospora Milacea, Gray. Myers (420). Sphagnum 



bog. 

 Rhynchospora Stipata, Chapm. Myers (419). Flatwood 



ponds. 

 Ch^tospora Nigricans, Kunth. Myers (379). Flatwoods, 



near pond. 

 PsiLOCARYA NiTENs, Ward. Myers (415), (416). Bogs and 



wet places in flatwoods. 

 Dichromena Leucocephala, Michx. Myers (400), Marco. 



Around flatwood ponds. 



