206 IOWA ACADEMY OF SCIENCES. 



GoNOLOBus SuBEROSA, R. Br. Myers. 



MiTREOLA Petiolata, T. (fe G. Myers (212\ Open ground 

 around flatwood ponds. 



MiTREOLA Sessilifloria, T. & G. Myers and Alva (213). A 

 narrow-leaved form. Myers (214^. Around flatwood 

 ponds, near the water. 



Mitreola Angustifolia, T. & G. Myers, Sanibel. Around 

 flatwood ponds. 



Polypremum Procumbens, L. Myers (215). Flatwoods. 

 Very common. 



Sabbatia Gracilis, Salisb. Myers (21SK Marco. Wet- 

 weather ponds, in flatwoods. var. Grrnidi flora. Gray. 

 Myers (217). Wet-weather ponds in flatwoods. 



Sabbatia Elliottii, Steud. Myers (216'. Marco. Flat- 

 woods. 



Sabbatia Chloroides, Pursh. Myers. 



Limnanthemum Trachyspermum, Gray, Myers (219). Per- 

 manent ponds. 



Hydrolea Corymbosa, Ell. Myers (220). Open ground 

 around flatwood ponds. 



Heliotropium Polyphyllum, Lehm. Myers, Sanibel (221), 

 Punta Rassa (222), Open ground or prairie along the 

 coast. Flowers white but in dried specimens appearing 

 yellow. 



Heliotropium Parviflorum, L. Myers (223), Marco (224), 

 Sanibel. Along a ditch at Myers (223); shell mounds 

 at Marco (224). 



Ipomoea Bona-Nox, L. Marco (225), Myers (226), Sanibel. 

 Climbing on shrubs in moist thickets. 



Ipomoea Hederacea, Jacq. var. Lifegrinscxht, Gray. Marco 

 (227). Along the edge of field. Seems quite distinct 

 in aspect from /. Jlederacea. Climbing stems long and 

 stout. 



Ipomoea Cathartica, Poir. Punta Rassa (228), Sanibel 

 (229), Everglade, Marco. Sand dunes along the coast. 

 Climbing on shrubs. 



Ipomoea Pes-Capr^e, Sweet. Myers (230), Marco. Mucky 

 soil along Caloosahatchee at Myers (No. 230>. Is a trail- 

 ing strand plant along the coast. 



