gg F. Hock: Pflanzengeographie aussereuropäischer Länder. 



Babcock, H. H. Flora of Chicago and Vicinity. (Lens I, 65—71, 144—150, 

 218—222; II., 33—34, 96—98, 248-250. Chicago, 1872—1873.) 



Wolf, J. List of Trees found in Fulton County. (Geol. of 111. III, 1870, 



109, 110.) 



Michigan. 



Wright, J. Catalogue of the Phaenogamous and Filicoid Plants Collected on the 

 Geological Survey of Michigan. (Legislat. Rep. No. 23, p. 17—44. Detroit 1839. Auch 

 7th vol. Mich. Agric. Rep., 396—423.) 



Cooley, D. Catalogue of the Plants Collected by Wr. A. Burt in the Primitive 

 Region South of Lake Superior, in 1846. (Jackson's „Lake Superior", 875—882. Washing- 

 ton, 1849.) 



Winchell, N. H. Catalogue of Phaenogamous and Acrogenous Plants found 

 Growing Wild in the Lower Peninsula of Michigan and the Islands at the Head of Lake 

 Huron. (l^ Bienn. Rep. Progr. Geol. Survey, 243-330. Lansing, 1861.) 



Wisconsin. 



Lapham, J. A. Plants of Wisconsin. (Trans. Wis. State Agric. Soc. II, 375 — 

 419, 1852, Also Proc. A. A. A. S. I, 19-62; reprint 44 p. — Additions by T. J. Haie 

 and L. A. Lapham in Trans. Wis. State Agric. Soc. V, 417-424, 1859; VI, 258— 

 263, 1860.) 



Hoy, P. R. Trees of Wisconsin. (Eb., II, 1852, p. 419—434) 



Lapham, J. A. The Forest Trees of Wisconsin. (Eb., IV, 195—251, 1854—1857.) 

 » Lapham, J. A. Catalogue of the Plants found in the Vicinity of Milwaukee. 

 (24°. 12 p. Milwaukee, 1836. 24°. 24 p. Milwaukee, 1838. Supplement 1840.) 



Catalogue of Plauts found in the Vicinity of Milwaukee, W. T. with Supplement. 

 (In „History of Wisconsin" by Donald Mc Leod. 12°. Buffalo, 1846.) 



Minnesota. 



Schweinitz, L. D. De. A Catalogue of Plants Collected iu the North- western 

 Territory by Thomas Say in the Year 1823. (Kenting's Narrative of Long's 2 a Exped. 

 to source of St. Peter's River II, 379-400. London, 1824. Eb., 1825, 105-123) 



Clark, Th. Botany of the North-eastern Geological District of Minnesota. (Rep. 

 of State Geologist for 1865, 73—82 ) 



Jowa. 



Rauch. Report of the Medical and Economical Botany of Jowa. (Proc. Jowa 

 State Med. and Chirug. Soc, 2 d Anu. Meeting 11—52. 8°. Keokuk, 1851.) 



White, CA. A Catalogue of the Iudigeiious Forest Trees of Jowa. (Rep. Geol. 

 Survey of the State I, 138. Des Moines, 1870.) 



Bessey, C. E. Contributions to the Flora of Jowa. (4» h Bien. Rep. Jowa Agric. 

 90-127. Des Moines, 1871.) 



Parry, C. C. Review of some Botanical Observations, made Principally in the 

 Vicinity of Davenport and Rook Island. (Davenport Gazette, 1847. Oct. 14.) 



Missouri. 



Maximilian, Prince of Wied-Neuwied. Systematik View of Plauts gathered 

 on a Tour on the Missouri. London, 1843. 4°. 



Swallow, G. C. Catalogue of the Trees and Shrubs of Missouri. (2d Ann. Rep. 

 Geol. Survey, 221; 1855.) 



Broadhead, G. C. Distribution of Trees and Shrubs in Missouri. (2a Anu. Rep. 

 Mo. State Board Agric. 97—99, 1867.) 



Swallow, G. C. Trees, Shrubs, and Vines of Missouri. (Ist Ann. R e p. Comm. 

 Statistics to the General Assembly of the State of Missouri, 112, and 2<* Am. Rep. Mo. 

 State Board Agric, 79—96, 1867.) 



Broadhead, G. C. Botany and Geology of Cass Couuty. (2 d Ann. Rep. Mo. 

 State Board Agric, 226—229, 1867.) 



