12 



2. Method of Measuring Root Growth and Nutation. 



Exhibited by Dr. C. C. Curtis. 



3. Slides Illustrating the Life History of some Fresh 



Water Alg.-e. Exhibited by Mr. T. E. Hazen. • 



4. Museum Preparations of Seeds and Seedlings of Phce- 



nix DACTYLiFERA. Exhibited by Prof. Francis E. Lloyd. 



5. Abnormal Cone from Douglas Spruce, Pseudotsuga 



MUCRONATA. Exhibited by Prof. Francis E. Lloyd. 



6. Hypertrophied Scale-leaves of Pinus ponderosa. Pro- 



duced by pruning staminate shoots. Exhibited by Prof. 

 Francis E. Lloyd. 



7. Accessory Buds in Pisum sativum, cultivated variety. 



Obtained by amputation of plumule and successive axil- 

 lary buds. Exhibited by Prof. Francis E. Lloyd. 



S. Studies in the Embryology of Sparganium. Exhibited 

 by Mr. F. C. Paulmier. 



9. Set of Slides Showing that the Formation of Cellu- 



lose Depends Upon the Influence of a Nucleus. 

 Exhibited by Dr. C. O. Townsend. 



10. Studies in the Development of the Ovule of Larix 



LARiciNA. Exhibited by Miss Ada Watterson. 



11. Development of the Embryo Sac in Sagittaria. 



Exhibited by Miss Louise B. Dunn. 



12. New Japanese and American Charace^. With illus- 



trations and descriptions. Exhibited by Dr. T. F. Allen. 



13. New Species from the Vicinity of New York City. 



Illustrated by Specimens. Exhibited by Mr. Eugene P. 

 Bicknell. 



14. Two New^ Saniculas from the Southern States. 



Represented by specimens. Exhibited by Mr. Eugene 

 P. Bicknell. 



15. Mosses of Northern Bolivia and Southern Peru. 



Collected by Pierre Jay in July and October, 1S93. 

 Exhibited by Elizabeth G. Britton. 



