502 Botanical Meetings at Columbus, Aug. 17-25. 1899 



15. One Thousand Miles for a Fern. By Charles E. Bessey, 

 Lincoln, Neb. 



16. A Summary of our Knowledge of the Fig, with Illustra- 

 tions. By Walter T. Swingle, Washington, D. C. 



17. The Classification of botanical Publications. By Wm. 

 Treleasc, St. Louis, Mo. 



18. The Gcotropism of the Hypocotyl of Cucurbits. By Ed- 

 win Bingham Copcland, Chico, Cal. 



19. The Destruction of Chlorophyll by oxidizing Enzymes. 

 By A. F. Woods, Washington, D. C. 



20. The Effect of Hydrocyanic Acid Gas upon the Germina- 

 tion of Seeds. By C. O. Townsend, College Park, Md. 



21. Some physiological Effects of Hydrocyanic Acid Gas 

 upon Plants. By W. G. Johnson, College Park, Md. 



22. Etiolative Reactions of Sarraccnia and Oxalis. By Wm. 

 B. Stewart, Minneapolis, Minn. 



2}^. The Mycorhiza of Tipularia. By Julia B. Clifford, Min- 



■ 



neapolis, Minn. 



24. The Cultures of Uredineae In 1899. By J. C. Arthur, 

 Lafayette, Ind. 



25. The pjiibr}'ology of Vaillantia Jiispida, By Francis E. 

 Lloyd, Teachers College, Columbia Univ^ersity, N. Y. City. 



26. Division of the megaspore of Eryrhrouiujn. By J. H. 

 Schaffner, Columbus, Ohio. 



27. The Flora of Franklin County, Ohio. By A. D. Sclby, 

 Wooster, Ohio. 



28. The fungous Lifestations of agricultural Soils in the Uni- 

 ted States. ]iy Erwin F. Smith, Washington, D. C. 



29. Are the Trees advancing or retreating upon the Nebraska 

 Plains ? By C. E. l^essey, Lincoln, Neb. 



30. Useful Trees and Shrubs for the Northwest Plains of Can- 

 ada. ' By Wm. Saunders, Ottawa, Canada. 



31. The Occurrence of Calcium Oxalate and Lignni dunng 

 the Differentiation of the Buds of Prioius Americana, By H, L, 

 Bolley and L. R. Waldron, Agricultural College, North Dakota, 



32. Two Diseases o{ Jiuiipcnis, By Hermann von Schrenk, 

 St, Louis, Mo. 



. 33. The Crystals in Datura StramoniiDU L. By Henry 

 Kraemer, Philadelphia, Pa. 



