Table of Contents 5 



Papers on Biology — Continued — Page 



The Convolvul.'iceae of Indiana: Truman G. Yuncker 273 



Plants of White County, V.: Louis F. Heimlich 281 



The Ustilaginale.s of Indiana, III.: H. S. Jackson 291 



Recent Indiana Weeds: Albert A. Hansen 293 



Wild Corn, a Serious Weed in Indiana: Albert A. Hansen 295 



Embryonic Selections in Certain Nut Bearing Pines: David M. 



Mottier 297 



Phytophthora Rot of Tomato, Eggplant, and Pepper: James B. 



Kendrick 299 



Differences in the Susceptibility of Clover to Powdery Mildew: 



E. B. Mains 307 



The Present Status of the Hot Water Treatment in Indiana: C. T. 



Gregory 315 



Onion Smut in Indiana: C. T. Gregory 318 



The Making of Genera in Fungi: J. M. \'an Hook 321 



Notes on Microtechnique, II.: M. S. ^Nlarkle 323 



Constitution and By-Laws 325 



List of Members 329 



