CONTENTS. 
Page. 
Sweet-Potato Black Rot. by B.D. Halsted and D. G. Fairchild. PI.i-iii.. . 1 
Experiments in the Treatment of Plant Diseases, Part hi, by B. T. 
Galloway. PI. iv. 12 
Diseases of the Orange in Florida, by Lucien M. Underwood. 27 
Peach Blight, by Erwin F. Smith. PI. v, vi. 36 
The Improved Japy Knapsack Sprayer, by B. T. Galloway. PI. vii-ix... 39 
Notes on Some Uredine/E of the United States, by P. Dietel. 42 
New Species of Uredine.e, by J. B. Ellis and S. M. Tracy. 43 
A New Pine Leaf Rust, by B. T. Galloway . 44 
Observations on New Species of Fungi from North and South Amer¬ 
ica, by Prof. G. Lagerheim. PI. x. 44 
Reviews of Recent Literature . . 50 
Untersuchungen aus dem Gesammtgebiete der Mykologie. Heft ix.— 
(Dr. Oscar Brefeld).—Crittogamia Agraria (Dr. O. Comes).—Der Falsche 
Mehltau, sein Wesen und seine Bekampfung (J. Morgenthaler). 
Index to North American Mycological Literature, by David G. Fair- 
child... 52 
hi 
