25 



* Bulletin 35: Eucalypts Cultivated in the United States. Price, $1. 



This bulletin enumerates and describes a large number of species of eucalypts. 

 ihough no definite conclusions are reached regarding the adaptal^ility of many spe- 

 cies, a number of important facts in relation to the manner of growth of the trees are 

 brought out. 



Bulletin 40: A New Method of Turpentine Orcharding. . 



An account of the naval-stores industry in the Southern States, in which the oM 

 methods of turpentine orcharding are described and the new "cup and gutter" 

 system is recommended as more economical. The successful operation o^ the cup 

 and gutter system is described and its results are compared with those of the older 

 box method. 



Circular 34: Practical Results of the Cup and Gutter System of Turpentining. 



Showing the gains effected by the system recommended in the preceding bulletin. 

 * Bulletin 46: The Basket Willow. Price, 15 cents. 



An account of willow culture, here and abroad, with suggestions for improvements 

 in cultural methods. An account of the insects injurious to basket willow and sta- 

 tistics showing the production and consumption of willow in the United States are 

 added. 



Bulletin 59: The Maple Sugar Industry. 



A complete account of old and new methods of maple-sugar manufacture, giving 

 directions for handling the maple-sugar grove and statistics showing the extent and 

 growth of the industry since 1850. 



Farmers' Bulletin 252: Maple Sugar and Sirup. 



A brief presentation of the material used in the preceding bulletin. 



FOKEST EXTENSION AND REPLACEMENT. 



*Bulletin21: Systematic Plant Introduction. Price, Scents. 



A general study of the question of systematic plant introduction, with a bearing 

 upon acclimatization of forest-planting material. , 



Bulletin 29: The Forest Nursery. 



Instructions for the collection of tree seeds and the propagation of seedlings, with 

 other information of value to tree planters. 



Bulletin 45: The Planting of White Pine in New England. 



An account of existing white pine plantations in this region, and a discussion of 

 the conditions under which commercial or protective plantations may be successfully 

 made. 



Bulletin 52: Forest Planting in Western Kansas. 



An investigation for the purpose of determining the kinds of forest trees best 

 adapted to western Kansas and the cultural methods which have proved most 

 successful. 

 Bulletin 63: The Natural Replacement of White Pine on Old Fields in New 



England. 



A description of the manner in which pastures and cut-over lands in this region 

 tend to encourage the second growth of white pine; a discussion of the growth, 

 reproductive power, and value of white pine groves and woodlots; a consideration 

 of the best means of encouraging natural replacement of white pine and of supple- 



