PROGRAM OF NINTH ANNUAL MEETING. 241 



9. The Market Demands upon the Fruit Grower. Prof. U. P. Hedrick, 

 Agricultural College. 



10. The San Jose Scale in Michigan Orchards. Prof. L. R. Taft, Agri- 

 cultural College. 



SECTION OF BOTANY. 



Thursday, 3 to G p. m. — Vice President Prof. F. C. Newcombe, Ann 

 Arbor. 



1. The Effect of Dilute and Concentrated Sea Water on Cladophora. 

 (10 minutes.) S. O. Mast. 



2. The Osmotic Relations of Algae to Their Environment. (10 min- 

 utes.) Howard S. Reed. 



3. Protoplasmic Movement in Elodea Canadensis. (10 minutes.) Rena 

 B. Raymond. 



4. Structural Variations of Chara. (10 minutes.) Ellen B. Bach. 



• 5. The Latent Period in Traumatropism. (10 minutes.) Geo. P. 

 Burns. 



0. Extent of the Sensory Zone for Heliotropism of Terrestrial Roots. 

 (lO minutes.) Darrell H. Davis. 



7. Final Demonstration of Thigmotropism in Terrestrial Roots. (10 

 minutes.) Frederick C. Newcombe. 



8. On the Absorption of Water by Foliage Leaves, Including a History 

 of the Subject. (15 minutes.) J. B. Dandeno. 



Friday, 8 to 10 :30 a. m.— 



9. Notes on, Michigan Fungi, Including Some New Species of Hymeno- 

 mycetes. (10 minutes.) B. O. Longyear. 



10. The Lichen Genus Physcia. (15 minutes.) E. E. Bogue. 



11. Contributions to the Botanv of Michigan. (10 minutes.) O. A. 

 Farwell. 



12. How I Know Some of Our Trees in Winter. (15 minutes.) W. J. 

 Beal. 



13. Some Interesting Hybrid Oaks in the Vicinity of Ann Arbor. (20 

 minutes.) Chas. A. Davis, 



14. Preliminary Account of the Distribution of Quercus Imbricaria in 

 Washtenaw County. (10 minutes.) Chas. A. Davis. 



15. The Geographic Distribution of Bog Plants. (15 minutes.) E. N. 

 Transeau. 



IG. The Succession of Plant Societies in Ypsilanti and Augusta Town- 

 ships of AVashtenaw County. (10 minutes.) Forest B. H. Brown. 



IT. The New Michigan Oak, Quercus Alexanderi Britt; Its Character- 

 istics and Distribution. (15 minutes.) S. Alexander. 



SECTION OF GEOLOGY AND GEOGRAPHY. 



Friday, 8 to 10 :30 a. m.— Vice President Prof. Mark S. W. Jefferson, 

 Ypsilanti. 



1. The Great Illicilliwaet Glacier. (20 minutes.) (Lantern slides.) 

 Prof. W. H. Sherzer, Ypsilanti. 



2. The Water Temperature of the Great Lakes. (30 minutes.) Nor- 

 man B. Conger, of the Weather Bureau Station, Detroit. 



3. Shore Features at Kincardine, Ontario. (15 minutes.) Prof. M. 

 S, W. Jefferson, Ypsilanti. 



31 



