42 Proceedings of Indiana Academy of Science. 



25. A Modilicatioii of the Ilomuiiowsky Stain. 1.1 minutes. Charles L. 



P>ehrens, Purdue University. 

 liG. Effect of Centrifugal Force upon Plants. 5 minutes. F. M. Andrews, 



Indiana University. 



27. Studies on the Aeration of Plants. 5 minutes. F. M. Andrews. 



28. Phyllotaxis in Specularia perfoUata. 5 minutes. F. M. Andrews. 



29. An Improved Method for Regulating the Thicliness of Microti.mc Sec- 



tions. 5 minutes. F. M. Andrews. 



30. Studies on Pollen, III. 5 minutes. F. M. Andrews. 



.31. Some work with Claviceps Cultures. Lantern. 15 minutes. W. W. 

 Bonus, Botanical Research Lahoratory, Eli Lilly & Co., Indianai)oli'< 



32. The Ustilaginales of Indiana. 5 minutes. H. S. Jackson, Piu'ilm- 



Agricultural Exi^eriment Station. 



33. Uredinales of Indiana, III. 5 minutes. PI. S. Jackson. 



34. A Convenient Plant Press. 5 minutes. H. S. Jackson. 



35. Indiana Plant Diseases, 1920. 15 minutes. Max W. Gardner, Purdue 



Agricultural Experiment Station. 



36. Corn Diseases in Indiana. 10 minutes. G. X. Hoffer. Purdue Agri- 



cultural Experiment Station. 



37. Indiana Fungi, V. 10 minutes. J. M. Van Hook, Indiana University. 



38. The Pycnidinm of Cicinnoholus. 5 minutes. J. M. Van Hook. 



39. A Tricotyledonous Bean. 3 minutes. J. M. Van Hook. 



40. Native Plants of White County, III. By title. Louis F. Heimlich, 



Purdue University. 



41. Plants New to Indiana, IX. 10 minutes. Charles C. Deam. Bluffton. 



42. A Species of Cuscuta Not Hitherto Reported for Indiana. 1 minute. 



T. G. Yuncker, DePauw University. 



43. A List of Mosses Occurring in the State of ndiana. 3 minutes. T. G. 



Yuncker. 



44. Mitotic Rhythms in Pisum sativum L. 10 minutes. Ray C. l<'riesner, 



Butler College. 



45. A Curious Variation in the Common Milkweed, Asclepias syriaca L. 



By title. C. X. Ludwig, Clemson College. 

 45a. The White Pine Blister Rust Educational Campaign in Xew York. 



Burr X. Prentice, Purdue University. 

 45b. Growth Rate of Red Cedar. 10 minutes. Stanley Coulter, Purdue 



University. 



Physical Sciences — Parlor B 

 Geology and Geography 



4G. Some Phases of Indiana Geology. I.'j minutes. W. X. Logan. Indiana 

 University. 



47. Some Evidence Indicating the Importance of Frost Action in '\AMdening 



Valleys. 10 minutes. Glenn Culbertson. Hanover C'oUege. 



48. Relationship of Stream Trenching to Uplift. 10 minutes. Clyde A. 



Malott, Indiana University. 



49. Planation Stream Piracy. 15 minutes. Clyde A. Malott. 



50. The Muncie Esker Belt. 10 minutes. Fred J. Breeze. Indiana Slate 



Xormal, Eastern Division. 



51. The Highest Point in Indiana. 10 minutes. Fred J. Breeze. 



