OF DENISON UNIVERSITY. 1 3 



west of Granville, base of Thome's Hill May 10, 1890; May 19, 

 1891. 



18. R. recur vatus Poir. Hooked Crowfoot. 

 Woods, common. May 11, 1887; May n, 1889. 



19. R. fascicularis Muhl. Early Crowfoot. 



Rocky hillsides, rare. Pine Hill, Vanattasburg. April 25, 1891. 



20. R. septentrionalis Poir. 



Ditches and wet woods everywhere. Very confusing, because 

 of variability in size and aspect. May 24, 1884; May 30, 1887 ; May 

 1, 1889; May 14, 1 89 1. 



21. R. Pennsylvanicus L. f. Bristly Crowfoot. 



Damp soil, frequent. August 15, 1888; July 9, 1889 ; June 30, 

 1 891. 



22. R. acris L. Buttercups. 



Fields, rare. Newark. Herbarium of Dr. F. O. Jacobs. 



7. Caltha L. 



23 C. palustris L. Marsh Marigold. 



Swamps, common. May 13, 1884; April 16, 1886; April 20, 

 1889: April 14, 1891. 



8. Aquilegia Tourn. 



24. A. Canadensis L. Wild Columbine. 



Woods, rocky, gravelly or rich soil, rare. Gravel Pit, between 

 Granville and Alexandria; Reservoir, on the islands; on rocks at 

 the ravine near Bald Hill, Newark. May 19, 1884; May 20. 1890. 



9. Delphinium Tourn. 



25. I), exaltatum Ait. Tall Larkspur. 

 Herbarium of Dr. F. O. Jacobs. 



26. D. tricorne Michx. Dwarf Larkspur. 



Gravelly soil, rare. New Cemetery, Granville, April 28, 1889. 



27. D. Ajacis L. 



Very sparingly escaped into waste places, hardly worthy of 

 recognition here. August 20, 1891. 



IO. ClMICIFUGA L. 



28. C. racemosa Nutt. Black Snakeroot. 



