92 NATURAL HISTORY BULLETIN. 



ceedings of the Iowa Academy of Sciences for 1897, vol- 

 ume 5, under the heading: "Notes on the Flora of North- 

 eastern Iowa, a list of 22 species. There are listed one 

 Clematis, five Anemones, one Hepatica, one Rue-Anemone, 

 two Thalictrums, six of the genus Ranunculus, Isopyrum, 

 the wild Columbine, two Actaeas, and Hydrastis canaden- 

 sis L. In the same volume under title, "Flora of South- 

 ern Iowa," 25 species are listed. In volume six, 1898, 

 under title, "Flora of Southern Iowa, II," there are listed 

 ten species. The Manual of Flowering Plants of Iowa is- 

 sued in 1899 and 1900 contains descriptions of and refer- 

 ences for all forms known with certainty to occur within 

 our limits at that time. 



G. B. Rigg in his Notes on the Flora of Calhoun county, 

 Iowa, privately published in 1896, lists the following: 

 Anemone patens L. var. nnttalliana Gray, A. cylindrica 

 Gray, A . pennsylvanica L,., Thalictrum purpurascens^L,., 

 Ranunculus rhomboidens Goldie, R. abortivus L., R. 

 sceleratns L,., R. septentrionalis Poir., Isopyrum biteriia- 

 tum T. & G., Aquilegia canadensis L-, and Delphinium 

 exaltation Ait. which he says is a tall graceful plant of the 

 fields. His specimen sent to the State University herbar- 

 ium labeled D. exaltatum Ait. is D. azureum Mx. {D. 

 ca rolin ia n u m Walt . ) 



Messrs. Barnes, Reppert and Miller in their Flora of 

 Scott and Muscatine counties published in the 8th volume 

 of the Proceedings of the Davenport Academy of Natural 

 Sciences, 1900, enumerate 27 species, all of which save 

 two have been communicated to our herbarium by Mr. 

 Reppert. 



Britton and Brown in their Illustrated Flora refer only 

 four species directly to Iowa. They are: Caltha palnstris 

 L,., Hepatica hepatica (L.) Karst., H. acuta (Pursh) Brit- 

 ton, and Ranunculus macounii Britton. The second species 

 is perhaps included as the result of an old continued error. 



The above include the principal titles of works referring 



