REFERENCES. 



Blakeslee, A. F. & C. D. Jarvis. New England trees in winter. 

 (Bulletin no. 69, Storrs Agricultural Experiment Station, 

 pp. 307-576, with many half-tone illustrations). 1911. 

 References are to this edition. The work was reissued 

 under the title Trees in winter by the Macmillan Com- 

 pany of New York in 1913. 



Blakeslee, A. F. & C. D. Jarvis. The identification of trees. 

 Storrs, Conn. 1913. Pp. 195-209. A separate issue of the 

 keys from the Macmillan edition of Trees in winter. 

 Bosemann, F. A. Deutschlands Geholze im Winterkleide. Pp. 



91, ff. 17. Hildburghausen. 1884. 



Brendel, F. The tree in winter. (Bulletin no. 1, Illinois Mu- 

 seum of Natural History, pp. 26-32, 73-76, 4 pi.). 1876. 

 Fant, C. G. Sveriges trad och buskar i vinterdragt. Pp. 56, 



pi. 11. Stockholm. 1872. 

 Frank, A. B. Pflanzen-Tabellen. Leipzig, 1869. Pp. 169-176 



consist of keys to woody plants in winter. 

 Hitchcock, A. S. 



(1). Key to Kansas trees in their winter condition. Pp. 

 6, pi. 1. (Biennial Report of the Kansas Board of 

 Agriculture). 1893. 



(2). A key to the woody plants of Manhattan based upon 

 twig characters. Pp. 1-8. Manhattan, Kansas. 1901. 

 (3). The woody plants of Manhattan in their winter con- 

 dition. Pp. 20. Manhattan. 1893. 



(4). The opening of the buds of some woody plants. 

 (Transactions of the Academy of Science of St. 

 Louis. 6:133-141, 4 pi.). 1893. 



Huntington, A. O. Studies of trees in winter. Boston. 1901. 

 Pp. xxiv -f 198, with many beautiful photographic illus- 

 trations of habit and bark. 



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