174 IOWA ACADEMY OF SCIENCES. 



Oar specimens are from Johnson, Van Buren, Decatur, 

 Ringgold, Page, and Shelby counties. We have observed 

 the species in Winneshiek, Allamakee, Dubuque, Musca- 

 tine, Wapello, Appanoose, Clarke, Adams, Montgomery, 

 and Pottawattamie counties. The State University herba- 

 rium has specimens from Winnebago, Emmet, Cerro Gordo, 

 Delaware, Dallas, Webster, Jasper, and Dickinson counties. 

 Professor Bessey reports the species from Story, Fayette, 

 and Des Moines counties; Professor Pammel from Wood- 

 bury and Boone counties; Messrs. Nagel and Haupt from 

 Scott county; Professor Macbride from Humboldt county; 

 Mr. J. P. Anderson, by note, from Lucas county; and Mr. 

 Mills, by letter, from Henry county. 



Parry, in Owen's Report Geol. Sur. Wis., Iowa, and 

 Minn., p. 618; Bessey, Contr. to the Flora of Iowa, p. 119; 

 Arthur, Contr. to the Flora of Iowa, p. 29; Hitchcock, 

 Trans. St. Louis Acad, of Science, Vol. 5, p. 517; Nagel 

 and Haupt, Proc. Davenport Acad, of Nat. Sciences, Vol. 

 1, p. 163; Pammel, Proc. Iowa Acad, of Sciences, Vol. 3, p. 

 132; Iowa Geol. Sur., Vol. 5, p. 237; Vol. 9, p. 240; Fink, 

 Proc. Iowa Acad, of Sciences, Vol. 4, p. 101; Fitzpatrick, 

 Proc. Iowa Acad, of Sciences, Vol. 5, p. 127; Vol. 5, p. 163; 

 Vol. 6, p. 196; Iowa Geol. Sur. Vol. 8, p. 313; Cameron, 

 Iowa Geol. Sur., Vol. 8, p. 198; Macbride, Iowa Geol. Sur., 

 Vol. 7, p. 107; Vol. 9, p. 152; Vol. 10, p. 238 and p. 647; 

 Reppert, Iowa Geol. Sur., Vol. 9, p. 386; Barnes, Reppert, 

 and Miller, Proc. Davenport Acad, of Nat. Sciences, Vol. 

 8, p. 256; Arthur, Flora of Floyd county, in History of 

 Floyd County, p. 309; Bot. Gaz., Vol. 7, p. 127. 



Cory Ins rosfrata, Ait. Hort. Kew., :^: 364, 1789. Beaked 

 hazelnut. Professor Bessey reports this species from Fay- 

 ette county in his contribution to the Flora of Iowa in the 

 Fourth Report of the Iowa Agricultural College. No 

 other observer has recorded this species as occurring in 

 Iowa, although the state is within the range of the species. 

 We very much doubt if this species has ever been collected 

 in Iowa. 



Ostnja virginiana (Mill.) Willd. Hop-hornbeam. Iron- 

 wood. A tree, twenty to fifty feet high, with grayish, 



