LIST OF PLATES. 



XXX. 



XXXI. 



XXX 11. 



XXXIII. 



XXXIV. 



XXXV. 



XXXVI. 



XXXVII. 



XXXVIII. 



XXXIX. 



XL. 



XLI. 



XLII. 



XLIII. 



XLIV. 



XLV. 



XL VI. 



XLVII. 



XL VIII. 



XLIX. 



L. 



LI. 



LII. 



LIII. 



LIV. 



LV. 



LVI. 



LVII. 



LVIII. 



LIX. 



LX. 



LXI. 



LXII. 



scofield, c. s. 

 scofield, c. s. 

 Freeman, E. M. 

 Saunders, D. A. 

 Wheeler, W. A. 

 Wheeler, W. A. 

 Wheeler, W. A. 

 Wheeler, W. A. 

 Wheeler, W. A. 

 Wheeler, W. A. 

 Wheeler, W. A. 

 Wheeler, W. A. 

 Humphrey, H. B. 

 Fanning, M. G. 



water. 

 Fanning, M. G. 



water. 

 Fanning, M. G. 

 Fanning, M. G. 



Plant of Dlctyopho7-a ravenelii. 

 Anatomy of Dictyophora ravenelii. 

 Witches Broom on Pinus strobus. 

 Alaria curtipes. 



Vegetation of the Red river valley. 



Vegetation of the Red river valley. 



Vegetation of the Red river valley. 



Vegetation of the Red river valley. 



Vegetation of the Red river valley. 



Vegetation of the Red river valley. 



Vegetation of the Red river valley. 



Vegetation of the Red river valley. 



Anatomy of Gigartina. 

 Chart of algal forms in St. Paul city 



Chart of algal forms in St. Paul city 



Forms of water supply algge. 



Forms of water supply algae. 

 Arthur, J. C, and Holway, E. W. D. Spores of 



violet rust. 

 Lyon, H. L. Embryogeny of Nelmnbo. 

 Lyon, H. L. Embryogeny of Nelumbo. 

 Lyon, H. L. Embryogeny of Nelumbo. 

 Yendo, K. Amphiroa. 

 Yendo, K. Cheilosporum. 

 Yendo, K. Cheilosporum. 

 Yendo, K. Cheilosporiim and Corallina. 

 Yendo, K. Corallina. 

 Yendo, K. Anatomy of Corallinaj veric. 

 MacMillan, Conway, Pterygophora californica. 

 MacMillan, Conway, Pterygophora californica. 

 MacMillan, Conway. Pterygophora californica. 

 MacMillan, Conway. Pterygophora californica. 

 MacMillan, Conway. Anatomy of Pterygophora. 

 MacMillan, Conway. Anatomy of Pterygophora. 



