STORRS AGEICULTURAL EXPERIMENT STATION. 311 



Contains habit and twig photographs of some of the species treated 

 and occasional photographs of the bark taken chiefly from museum 

 specimens. 



WORKS DEALING WITH THE WINTER CONDITION OF TREES. 



Schneider, C. K. Dendrologische Winterstudien. 290 pp.; 224 

 fig. Gustav Fischer, Jena 1903. A very extensive work giving 

 descriptions and drawings of twigs of 434 individual species 

 cultivated and native in Europe, together with keys and an intro- 

 ductory text. 



Huntington, Miss A. L. Studies of Trees in Winter, 198 pp. 

 Knight & Millet, Boston, 1902. A popular book excellent as far 

 as it goes. Figures at least the winter twig, the habit, or the 

 bark of 65 species. Has descriptive text with habit notes and 

 poetical quotations. 



Wiegand, K. M., and Foxworthy, F. W. A key to the genera 

 of woody plants in winter, 33 pp. Ithaca, N. Y. 1904. Treats 

 of wild and cultivated plants of New York state, including shrubs 

 as well as trees, contains keys only. Scientific names alone used, 

 a valuable key to genera, has passed through several editions. 



Trelease, Wm. Winter synopsis of North American Maples, 

 Rep't Mo. Bot. Gard., vol. 5, pp. 88-106, 1894. A critical treat- 

 ment of the Maples based upon winter characters with keys and 

 twig figures. 



Trelease, Wm. Juglandaceae of the United States. Eep't Mo. 

 Bot. Gard., vol. 7, pp. 25-46. A critical treatment of the genera 

 Carya & Juglans with keys, twig figures and bark photographs. 



Schaffner, J. H. Key to the Ohio woody plants in the winter 

 condition. The Ohio Naturalist vol. 5, no. 4, pp. 277-286, 1905. 

 Keys only, limited to genera, shrubs as well as trees treated. 



Hitchcock, A. S. Keys to Kansas Trees in their winter condi- 

 tion, 6 pp. Keys only, leading to species. 



