Heinrich Hasselbring 



B.S.Agric, Cornell University, Ithaca, New York, 1899; Ph.D. (Botany and Chemistry), 



Chicago, June, 1905 



PHYSIOLOGIST, BUREAU OF PLANT INDUSTRY, U. S. DEPARTMENT 

 OF AGRICULTURE, WASHINGTON, D. C. 



Jefe del Departamento de Botanica, Estacion Central Agronomica, Santiago de las 

 Vegas, Cuba, 1907-09; Physiologist, Bureau of Plant Industry, U. S. Department of Agri- 

 culture, Washington, D. C, 1909—. 



Member: Amer. Assoc. Adv. Sci. (Fellow), Amer. Phytopath. Soc, Bot. Soc. Amer., 

 Bot. Soc. Wash., Sigma Xi. 



PUBLICATIONS 



Comparative study of the development of Trichurus spiralis and Stysanus stemoni- 

 tes. Bot. Gaz. 29: 312-322. 1900.— A new species of Globulina. Bull. Torr. Bot. 

 Club. 2: 402-404. 1900.— The bitter rot and its control. Trans. Illinois Hort. Soc. 

 36: 348-352. 1902.— Canker of apple trees. Univ. Illinois Agric. Exp. Sta. Bull. 70. 

 1902. — The appressoria of the anthracnoses. Bot. Gaz. 42: 135-142. 1906. — Gravity 

 as a form-stimulus in fungi. Ibid. 43:251-258. 1907. — The carbon assimilation of 

 Penicillium. Ibid. 45: 176-193. 1908.— Types of Cuban tobacco. Ibid. 53: 113-126. 

 1912. — The effect of shading on the transpiration and assimilation of the tobacco plant 

 in Cuba. Ibid. 57: 257-286. 1914. — The relation between the transpiration stream and 

 the absorption of salts. Ibid. 57: 72-73. 1914. — Effectos de la sombra sobre la trans- 

 piracion y la asimilacion de la planta del tabaco en Cuba. Estac. Exp. Agron., Cuba, 

 Bol. 24. 1915. — Tipos de tabaco Cubano. Ibid. Bol. 23. 1915. — Physiological changes 

 in sweet potatoes during storage. (With L. A. Hawkins.) Jour. Agric. Res. 3: 331- 

 342. 1915. — Respiration experiments with sweet potatoes. (With L. A. Hawkins.) 

 Ibid. 5: 509-517. 1915. — Carbohydrate transformations in sweet potatoes. (With L. 

 A. Hawkins.) Ibid. 5: 543-560. 1915. — Iris, and other articles, in Bailey's Cyclopedia 

 of Amer. Hort. — Revision of same, in Standard Cyclopedia of Hort. 



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