235 
Sulphur—Continued. 
Compounds for disinfecting seed oats, 218. 
Dry, for peach-rot, 133,134. 
For hackberry branch-knot, 177. 
Powder for apple scab, 210, 211,213. 
Sulphuret of potassium for bitter-rot of the apple, 
36, 37. 
Sulphuric acid as a disinfectant for seed oats, 42, 
218. 
Swingle, W. T., experiments by, 43. 
Switzerland: 
Law concerning grape mildew in, 95. 
Vine disease in, 108. 
Sycamore: 
Cucurbitaria platani on, 181. 
Oytispora on, 113. 
Discula qdatani on bark of, 56. 
D i sease, 51. (See Gloeosporium nervisequum). 
FeneStella platani on, 113. 
Gleeosporium nervisequum on, 51, 54. 
Use of wood, 51. 
Taft, Prof. L. R., experiment with apple-scab by, 
210 . 
Talc, used in sulfosteatite, 227. 
Teleutospores; 
Of Phragmidium subcorticium , 32. 
Of Puccinia , 167. 
Of Uromyces Holivai, 103. 
Thaxter, Roland, on a new American Pltyto- 
phthora, 221. 
Tbiimen, Felix von: 
On apricot fungi, 222. 
On combating fungi of cultivated plants, 107. 
Timber, dry rot of, 175. 
Tomato: 
Downy mildew of, 161. 
Treated by salts of copper, 227. 
Tomato disease, 38. 
Treatment of: 
A disease of potatoes, tomatoes, and melons, 
227. 
American cranberry disease, 41. 
Apple scab, 35, 212. 
A tomato disease, 38. 
Bitter-rot of the apple, 37. 
B!ack-rot of grapes, 204, 219. 
Gooseberry mildew and apple scab, 33. 
Gooseberry mildew, results of, 34. 
Grape mildew made obligatory, 95. 
Hackberry branch knot, 177. 
Peach-rot, 132, 133. 
Peronospora on violet, 203. 
Plum leaf blight, 38. 
Powdery mildew, 216. 
Root fungus in Hew Zealand, 200. 
Should be early, 38. 
Smut fungi, 89. 
Smut in oats and barley, 43,164, 218. 
Trees, diseases of, 174. 
Tumors caused by abnormal root formation, 226. 
Tulip, gummosis in, 226. 
Typo species, necessity for a re-description of, in 
Kew herbarium, 215. 
Underwood and Cook, synopses by, 179. 
Uredinea; and Ustilagiuea>, British, a monograph 
of, 103. 
Uredineoi: 
Some new and important, 102, 
Sydow’s, 161. 
TTromyces, an interesting, 11. 
Ustilaginece. (See Smut.)| 
Germination of spores, 88. 
Mode of entering host plant, 88. 
Mycelium ot, 88. 
Recent discoveries as to the nature and action 
of. 87. 
TIstilago, dissemination of spores, 84. 
Ustilago zece-mays: 
A study of the abnormal structures induced 
by, 14. 
Development of spores, 18. 
Mycelium, 18. 
Yaccinium berries: 
Diseases of, 39. 
Manner of infection, 40. 
Verdigris, 216. 
Vermorel nozzle, modification of, 96. 
Yiala and Ravaz on experiments on vine diseases, 
45. 
Yiala, Pierre, A Viticultural mission in America, 
223. 
Vine diseases, experimental investigations of, 45. 
Vines: 
Diseases of, 223. 
Removal of, when dead, 110. 
Vineyard, subsoil of, 109. 
Violet, mildew of, 202. 
Von Tavel, Franz, paper by, 52. 
Ward, H. Marshall, on a Lily disease, 46. 
Wakker, J. H., contributions to vegetable pa¬ 
thology, 224. 
Water, hot, for treatment of smut, 43,164, 218. 
Western fungi, new, 65. 
Wheat: 
Smut, 165. 
Smut spores in, 218. 
White fir, a disease of, 164. 
White rot, 45, 223. 
Willows injured in Montana by Melamqisora sail- 
cis, 32. 
Wisconsin, work with experiment station of, 210. 
Witch brooms suggested by abnormal root 
growths, 226. 
Wood in vineyards, 110. 
Woronin, Dr. M., on the Sclerotium disease of. 
Vaccinium berries, 39. 
Woronin’s hyphae, 106. 
Zacharewicz, Ed., on treatment of the disease of 
potatoes, tomatoes, and melons, 227. 
Zea Mays: 
Abnormal structure of stem caused by Ustil¬ 
ago, 16, 18. 
Fibrovascular bundles in, 15,17. 
Stomata of, 15, 16. 
Structure of hoalthy stem, 14. 
Zoospores of Phytophthora phaseoli, 222. 
