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[From Proceedings of IfS^eniiort Abftflemy of Natural Sciences.] 



Contributions to the Flora of Iowa— No. V.* 



i;V J. C. AIM'HUK. 



The following list comprises the well authenticated additions to 

 the previously published lists of Iowa plants. The material for it has 

 been contributed by R. I. Crafty of Estherville, Emmett Co.; E. 

 W. Hoi way of Decorah; John Leiberg- late of Seiiey, Plymouth Co.; 

 Dr. Geo. E. Ehinger of Keokuk; Prof. C. E. Bessey of Ames; 

 Mrs. M. C. Carter of Hesper, Winneshiek Co.; M. E. Jones of 

 Salt Lake City, Utah; and the writer. 



192** Amorphd micropJtylhi^ Pursh. Palo Alto and Clay Cos. 



244'^ PotentlUa palastrh^ Scop. Emmett Co. 



305** (Jicuta bulhifera^ L. Emmett Co. 



430* Helianthus Maximiliani^ Schr. Emmett Co. 



455^ Artemisia annua, L. Keokuk. 



467* Senecio p<(h(stHs^ Hook. Spirit Lake and Emmett Co. 



530^ JJtricularia intermedia^ Hay. Emmett Co. 



606^ Merteiisia piaiiiculata^^mn. Decorah. 



607^ E chinospermimi ReMovmcii^ Lehm., var. occidentah., 



Watson. Decorah. 



691* Rumex obtusifolius, L. Decorah. 



710* Euphorbia commutata^ Engelm. Decorah. 



715* Ulmus racemosa^ Thomas. Waverly and Charles City. 



757* Salix myrtilloides, L. Emmett Co. 



781* Potamogeton IlUnoensis^ Morong. Emmett Co. 



782^ Potamogeton }) erf oHatus^ L., var. hmceolatus^ Robbins. 



Emmett Co. 



784* Triglochin maritimum^ L., var. elatum^ Gr. Emmett Co, 



784^ Scheuchzeria p>aliistris, L. Emmett Co. 



787^ Sagittaria' cristata^ Engelm. ined. Emmett Co. 



834* (/uncus Palticus, Deth. Emmett Co. 



857* Eriophonmi gracile, Koch, var. jyaucinervium^ Engelm. 



Emmett Co. 



860* Carex siccata, Dew, Emmett Co. 



867* Carex cliordorMza^ Ehrh. Emmett Co. 



* Read at tlie .June meeting of the Academy, 1882. 



