116 ECONOMIC WOODS OF THE UNITED STATES 



MAXWELL, Hu: Uses of Commercial Woods of the United States. Beech, 

 Birches, and Maples. Bui. No. 12, U. S. Forest Service, 1913. 



*Maple: 



MAXWELL, Hu: Loc cit. 



RECORD, SAMUEL J.: Differentiating Bet ween Maples. Hardwood Record, 

 July 10, 1913, pp. 26-27. 



Ross, A. H. D. : Commercial Importance of Maple. Can. Lumberman and 

 Woodworker, 35: 18: 36-37, Sept. 15, 1915. 



HOLDEN, Ruth: Some Features in the Anatomy of the Sapindales. Bot. 

 Gaz., 53: 1: 50-57, Jan. 1912. 



54 Acer saccharum: 



MAXWELL, Hu: Commercial Uses of Sugar Maple. Amer. For., 

 21: 263: 1022-1030, Nov. 1915. 



*Birch: 



MAXWELL, Hu: Uses of Commercial Woods of the United States. Beech, 

 Birches, and Maples. Bui. No. 12, U. S. Forest Service, 1913. 



DETWILER, SAMUEL B.: The Birches. Amer. For., 22: 268: 195-201, Apr. 

 1916. 



RECORD, SAMUEL J.: The Wood of the Birches. Hardwood Record, Oct. 

 25, 1912, pp. 32-33. 



K Betula papyrifera: 



DANA, S. T. : Paper Birch in the Northeast. Cir. 163, U. S. Forest Service, 

 1909. 



N Apple: 



RECORD, SAMUEL J.: Making Hand-saw Handles. Wood Worker, In- 

 dianapolis, 31: 10: 37-38, Dec. 1912. 



K Liquidambar: 



CHITTENDEN, ALFRED K., AND HATT, W. KENDRICK: The Red Gum. Bui. 

 58, U. S. Bur. For., 1905. 



RECORD, SAMUEL J.: Red Gum. American Architect, Apr. 19, 1916; also 

 Decorative Furnisher. 30: 4: 42-44, 54, July 1916. 



DETWILER, SAMUEL B. : The Red Gum. Amer. For., 22 : 275 : 641-647, Nov. 

 1916. 



HOLROYD, H. B.: The Utilization of Tupelo. Cir. 40, U. S. Forest Service, 

 1906. 



SUD WORTH, GEORGE B., AND MELL, CLAYTON D.: Distinguishing Char- 

 acteristics of North American Gumwoods. Bui. 103, U. S. Forest Service, 

 1911. 



VON SCHRENK, HERMANN: Tupelo. Sou. Lumberman, Anniv. Ed., 1907. 

 wjLiriodendron: 



The Tulip or Yellow Poplar Tree. Amer. For., 21 : 8: 833-840, Aug. 1915. 



GROPPLER, ROBERT: Vergleichended Anatomic des Holzes der Magnolia- 

 ceen. Stuttgart, 1894. See also Bot. Centralblatt, 60: 373. 



