178 F> Hock: Pflanzengeographie aussereuropäischer Länder. [$6 



167b. Jennings, 0. E. A new species of Lonicera from Pennsyl- 

 vania. (Ann. Carnegie Mus.. IV. 1906, p. 7:5 — 77, pl. 20.) 



168. Smith, K. P. Pennsylvania wild flowers. (Am. Hot., XII. 

 1907, p. 115- 116.) 



469. Leibelsperger, \Y. H. Some rare and interesting plants of 

 Berks County, Pennsylvania. (Torreya, VII, 1907, p. 214—217.) 



470. Leue, A. List of trees growing in the parks of Cincinnati , 

 arranged according to their natural order. (Ann. Rep. Park Dept. Cin- 

 cinnati, 1906 [1907], p. 46—51.) 



471. Schaffner, J. H. Plants on the Ohio State List now repre- 

 sented in the State Herbarium. (Ohio Nat., IX, 1908, p. 413.) 



472. Sauer, L. W. A key to Ohio's commoner Conifers. (Plant 

 World. XI, 1908, p. 235—236.) 



473. Selby. A. D. A seconcL Ohio vveed manual. (Bull. 175 Ohio 

 agric. Lxpt. Stat.. 1906, p. 291—383, 73 fig., 5 pl.) 



Ber. im Bot. Centrbl., CIX, 1908, p. 204. 



474. Jennings, 0. E. An ecological Classification of the Vege- 

 tation of Cedar Point [Ohio]. (Ohio Nat., VIII, 1908, p. 291—340, 22 fig.) 



475. Conlter, S. and Dorner, H. B. A key to the genera of the 

 native forest trees and shrubs of Indiana. (Lafayette, 1907, p. 1 — 24, 

 pl. 1, 2.) 



476. Scott, W. The Leesburg swamp. (Proc. Indiana Ac. Sc, 1905, 

 p. 209-226, 1 map, 9 ff.) 



477. Smith, C. P. Notes upon some little known members of 

 the Indiana Flora. (Proc. Indiana Ac. Sc, 1905, p. 155 — 181.) 



477a. Wilson, (J. W. Notes on some new orlittle-known members 

 of the Indiana Flora. (Proc. Indiana Ac. Sc, 1905, p. 165 — 175.) 



478. Deane, C. C. Additions to Indiana Flora, II — III. (Proc. 

 Indiana Ac. Sc, 1905, p. 185—186; 1906, p. 137—138.) 



479. Gleason, Henry Allan. A Botanical Survey of the Illinois 

 River Valley Sand Region. (Bulletin of the Illinois State Laboraton 7 of 

 Natural History, VII, 1907, p. 149-194.) 



Verf. bespricht die ökologischen Verhältnisse des Gebiets. Er unter- 

 scheidet folgende Bestände: 1. Bunchgrass Association, 2. Blowsand Association, 

 3. Blow-out Association und 4. Black-jack Association. Von jedem Bestand 

 werden eine Reihe Arten genannt. Dann wird allgemein die Anpassung der 

 Pflanzen an die Umgebung besprochen, eine Aufzählung aller beobachteten 

 Arten gegeben und endlich die pflanzengeographische Verwandtschaft der 

 Flora erörtert. 



480. Fink, B. Floristic notes from an Illinois esker. (Proc. Jowa 

 Acad. Sei., XIII, 1907, p. 59-63, pl. 4—6.) 



481. Trotter, S. The Balsam Peaks — the heart of thesouthern 

 Appalachians. (Pop. Sei. Mo., LXXI, 1907, p. 149—155.) 



482. Beal, W. J. Additions to the Michigan Flora as published 

 in the Fifth Report of the Michigan Academy of Science, 1904. 

 .X Report Michig. Acad. Sei. Ann. Arbor, 1908, p. 85—89) 



Aufzählung mit Angabe von Standorten. Fedde. 



483. Üoulter, S. The Michillinda (Michigan) sand dunes and 

 their flora. (Proc. Indiana Ac Sc, 1906, p. 122— 12S, 4 fig.) 



