298 MINNESOTA BOTANICAL STUDIES. 



•20. A(llen), T. F. Characeae. Bull. Torr. Bot. Club. 2:9,10. 



Mrl871. 



Nine species of Nitella and 5 of Chara are reported from Eastern 

 United States. 



21. Allen, T. F. Characeae Americanae, illustrated and 

 described. Part I and II. 1879.— (Bull. Torr. Bot. Club. 

 6:315. Myl879.) (Am. Jour. Sci. Arts. III. 17:488,489. 

 Jel879. 



22. . Similarity between the Characeae of America 



and Asia. Bull. Torr. Bot. Club. 7:105-107. O1880. 



23. . Notes. Am. Mo. Mic. Jour. 2:98. Myl881. 



The preparation of a solution for mounting algae. 



24. . Development of the Cortex in Chara, Illus- 

 trated by a series of American species. Bull. Torr. Bot. Club. 

 9:37-47.2^^.^5-^^. Apl882.— (Jour, of Bot. 20:349. 1882.) (Bot. 

 Centralb. 14:33. 1883.) 



25. . Observations on some American forms of Chara 



coronata. Am. Nat. 16:358-369. pi. U and JO cuts. Myl882. 



Nine American forms of C. coronata are described and figured. 



26. . Notes on the American Species of Tolypella. 



Bull. Torr. Bot. Club. 10:109-117. p^. 37-43. ON1883. 



27. . Characeae. N. Y. St. Mus. Nat. Hist. 38th Ann. 



Rep. 16. 15Jal885. 



Ten species, 4 of them new to the state, were presented to the State 

 museum. 



28. . Charas or Stoneworts (Characeae). Bot. Gaz. 



11:141. Jel886. 



Directions for collecting. 



29. . Some Notes on Characeae. Bull. Torr. Bot. 



Club. 14:211-215. pi. 71-75. 401887.— (Jour. Roy. Mic. Soc. 



1888:90,91. F1888. ) 



A new Nitella from Feejee Islands, 1 from Nantucliet, and a new 

 species of Tolypella from the shore of Niagara river described. 



30. . Dredge for Chara. Bot. Gaz. 12:297. i/. D1887. 



A figure and description. 



31. . Nitella (not Tolypella) ISTacounii. Bull. Torr. 



Bot. Club. 15:11. 5Jal888. 



32. The Characeae of America. Part I. 1-64. /. 7-5^. 1888. 

 (Bull. Torr. Bot. Club. 15:90,91. 2Mrl888.) (Am. Nat. 22: 455- 

 457. Myl888.) (Jour. Roy. Mic, Soc. 1888:461. Jel888.) Part 

 II. Fasc. 1. 1-8. 2)1. 1-U. (1892.) not dated.— (Bull. Torr. Bot. 

 Club. 20:130,131. 15Mrl893.) (Jour, of Bot. 31 :156. Myl893.) 



