IOWA ACADEMY OF SCIENCES. 201 



PsYCHOTRiA Tenuifolia, Sw. Alva (181). In a palmetto 

 hammock near the river. A shrub about a foot high. 



Ernodea Littoralis, Sw. Punta Rassa. Along the sea- 

 shore. Rare. 



RicHARDiA ScABRA, L. Mycrs. Along streets. 



vSpermacoce Tenuior, L. Myers (178). In ditches along 

 the streets. 



Spermacoce Parviflora, Gray. Myers, Punta Rassa, Alva 

 (179). Open sandy soil. 



DiODiA Teres, Walt. Myers (176), Punta Rassa. A weed 

 in cultivated fields. 



DioDiA ViRGiNiANA, L. Myers (177). Along the margin of 

 flatwood ponds in the open ground. Abundant. 



Galium Pilosum, A.it., var. Pundiculosum, Gray. Myers. 



Galium HispiDULUM, Michx. Myers (180). Among shrubs 

 around flatwood ponds. 



Elephantopus Tomentosus, L. Myers (141). Flatwoods. 



MiKANiA ScANDENs, Willd. Marco, Myers, Sanibel (158). 

 Salt marshes. A form from Marco (=Curtiss, 1213* 

 from No-Name Key), has small somewhat fleshy leaves. 

 Plant smooth. 



EuPATORiuM FoENicuLACEUM, Willd. Mycrs, Marco. A 

 weed in waste places. 



EuPATORiuM MiKANioiDES, Chapm. Myers, Marco, Sanibel 

 (148). Salt marshes. Leaves vertical and rather suc- 

 culent. 



EuPATORiuM Serotinum, Michx. Marco, Myers (147). 

 Marshes and river banks. 



EuPATORiuM Hyssopifolium, L. Marco, Myers (146), Flat- 

 woods near ponds and depressions. Common. 



EuPATORiuM RoTUNDiFOLiuM, L. Myers (149). Around 

 marshes and ponds. 



EuPATORiuM CcELESTiNUM, L, Mycrs, (150). In thickets 

 around ponds. 



LiATRis Gracilis, Pursh. Myers (155). Around a flatwoods 

 pond. 



LiATRis Tenuifolia, Nutt. Marco (154). Flatwoods. 

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