200 DAVENPORT ACADEMY OF SCIENCES. 



RANUNCULACEA. 



Clematis, L. Virgin's Bower, 

 i. C. Virginiana, L. 



River banks and borders of thickets ; infrequent. 



2. C. Pitcheri, Torr. &: Gray. 



Sandy soil along rivers ; frequent. A form with cream-col- 

 ored flowers grows at Moscow. 

 Anemone, Tourn. 



3. A. Caroliniana, Walt. 



Sandy, alluvial soil along Cedar and Wapsipinicon Rivers, 

 Muscatine Island, Camp McClellan. Infrequent, though 

 often abundant over small areas. 



4. A. cylindrica, Gray. 



Hilly woodlands; not common. 



5. A. Virginiana, L. 



Woods and river banks ; common. 



6. A. Pennsylvania, L. 

 Rather common. 



7. A. ncmorosa, L. 



Rich wood lands ; infrequent. 

 Hepatica, Dill. 



8. H. acutiloba, DC. Liver-leaf. 



Rich, shady hillsides ; abundant locally. 

 Anemonella, Spach. 



9. A. thalictroides. Rue-Anemone. 

 Open woods ; frequent. 



Thalictrum, Tourn. Meadow-Rue. 



10. T. dioicum, L. 



Open woods ; frequent at Allen's Grove. 



11. T. purpurascetis, L. 

 Common. 



Myosurus, Dill. Mouse-tail. 



12. M. mi ni in us, L. 



Locally abundant in sandy, alluvial soil along Cedar and Wap- 

 sipinicon Rivers; Muscatine Slough, Prof. Witter; Offer- 

 man's Island, Dr. Radenhausen. 



