308 MINNESOTA BOTANICAL, STUDIES. 



143. Bennett, A. W, Volvox globator. Am. Nat. 12: 

 815,816. D 1878. 



Report upon investigations of Ferd. Cohn. 



144. . The Structure and affinities of Characeae. 



Am. Nat. 12:818,819. D1878. 



145. . Internal spore-formation in Diatoms. — (Am. 



Nat. 20:280,281. Mrl886.) 



Account of the observations of Count A. F. Castracane and Mr. F. 

 Kitton. 



146. . Movements of Desmids. Am. Nat. 20: 379,380. 



Apl886. 



147. . Pleomorphism of Algae. Am. Nat. 20:380. 



Apl886. 



148. Bennett, J. L. Plants of Rhode Island, being an 

 enumeration of plants growing without cultivation in the state 

 of Rhode Island. Proc. Prov. Frankl. Soc 1-128. 1888.— 

 (Bull. Torr. Bot. Club. 15:299. 2N1888. )— (Am. Nat. 22:1026, 

 1027. N1888.) 



Eight species of Characeae and 619 species of other algae listed. 



149. Bergen, J. Y. Cleaning Diatoms. Am. Mo, Mic. Jour. 

 4:198. 01883.— (Jour. Eoy. Mic. Soc. II. 3:922. 1883.) 



150. Berggren, S. Alger f ran Groenlands inlandis. Oefvers. 

 Kongl. Vet. Akad. Foerhandl. 28:293-296. 1871. 



A species of Ancylonema considered as new by the author. 



151. Bessey, C. E. The study of Botany in the United 

 States. Am. *Nat. 15:732-734. S1881. 



152. — . The abundance of Fresh-water Algae. Am. 



Nat. 16:43. Jal882. 



An unusual growth of algae in autumn in central Iowa, caused 

 by the wet season. 



153. . The systematic arrangement of the Thallo- 



phytes. Am. Nat. 16:43-46. Jal882. 



A discussion of the systems of leading Botanists. 



154. . Pacific coast Botany. Am. Nat. 16:811, 812. 



01882. 



A brief review of the work that has been carried on in western 

 United States in the different lines of Botany. 



155. . Botany in Minneapolis. Am. Nat. 17:79. 



Jal883. 



The Botanical course at the summer school at the University of 

 Minnesota described. 



156. . Hybridism in Spirogyra. Am. Nat. 18:67,68. 



2/. Jal884. — (Bot. Gaz. 9:30. F1884.) 



