231 
Downy mildew—Continued. 
On grape, 7. 
Verdigris for, 216. 
Dressing-seed grain for smut, 42, 89, 164, 166, 213. 
Dry rot of timber, 175. 
Eau celeste: 
For apple-scab, 210, 212. 
For melon disease, 227. 
Formula for, 206. 
For potato and tomato rot, 227. 
How prepared, 211. 
Injury to fruit from, 211. 
Strength of,* for apple-scab, 211. 
Unmodified formula, 227. 
Economic Peronosporeae in Hew Jersey, 201. 
Edible fungi, 59, 221. 
Entomogenous fungi, 169. 
Entomophthorece culture, media for, 170,171. 
Ergot: 
Etfect on stock, 30. 
In Michigan in 1889, 203. 
Erysiphece: 
In Montana not affected by drought, 188. 
Intermediate forms between species, 188. 
Upon Phytoptus distortions, 209. 
Wide variation in characteristics of species, 
188. 
Erysiphe cichoracearum: 
Effects on hosts, 191. 
Forms of, in Montana, 191. 
Eureka sprayer, 38. 
Experiments: 
In preventing potato rot, 159. 
In treatment of apple-scab, 35, 210. 
bitter rot of apples, 37. 
black rot of grapes, 219. 
gooseberry mildew, 33. 
plum leaf blight, 38. 
tomato disease, 38. 
smut, 218. 
Experiment stations, work in connection with, 101. 
Exsiccati: 
Briosi and Cavara, 46, 160. 
Kansas fungi, 94,161. 
Sydow’s, 161. 
Farlow, W. G., notes on fungi, 167. 
Fenestella, 116,121. 
Characters of, 116. 
Life-history of, 53,120. 
Hew form produced from ascospores, 121. 
Fenestella platani: 
Development of ascospores, 117. 
Life-history of, 122. 
Parasitic and saprophytic cycles of develop¬ 
ment, 123. 
Ferment secreted by Botrytis, 47. 
Ferments in sorghum, 194,197. 
Flax: 
Melampsora lini on. 32. 
Rust of, in Australia, 215. 
Forage plants of Montana, 30. 
France, vine disease in, 108. 
Fulton, T. W., Dispersion of fungous spores by in¬ 
sects, 168. 
Fungi : 
Classified by Brefeld, 98. 
Fungi—Continued. 
Classified by De Bary, 101. 
Entomogenous, 169. 
In Hew Zealand, 200. 
List of, for Colorado, 85. 
How species of, 11, 24, 65, 68, 78,141,142,145. 
Of Montana, 30. 
Of Montana, preliminary list of, 188. 
Fusarium an enemy to smut, 219. 
Fusicladium dendriticum. (See Apple-scab.) 
Galls, fungi on, 73,134,177. 
Germ pores, 167. 
Germination of TJstilago boutelouce, 13. 
Giard, Alfred, Entomogenous fungi by, 169. 
Glceosporium nervisequum, 51. 
Cycle of development, 53. 
Effects on leaves, 52. 
Hosts of, 54. 
On oak, 54. 
Goff, Prof. E. S., results of experiments by, 33, 
210 . 
Gonidia: 
Of Ascomycetes, 53. 
Of Sclerotium vaccini, 39. 
On Prunus padus, 41. 
Gooseberry mildew and apple-scab, experiments 
in treatment of, 33. 
Grape: 
Bitter-rot of, 223. 
Black-rot of, 45, 92, 204, 219, 223. 
Downy mildew of, 7,161, 216. 
Leaf, blight of, 93. 
Leaves, Septosporium on, 69. 
Mildew, treatment of, made obligatory, 95. 
Mysterious disease of, 107,108. 
Powdery mildew of. ( See Oidium Tuckeri.) 
Vine, root mold of, 107. 
White rot of, 45,161. 
Grass, rust of, 161. 
Grasses, Western, injured by smuts, 13. 
Gummosis, cause of. 225, 226. 
Hackberry, Sphaerotheca phytoptophila on galls of, 
85,134,177. 
Hartig, Dr.: 
Lehrbuch der Baumkrankheiten, 174. 
Translations from, 164. 
natch, A. L., Experiment with apple-scab by, 210. 
Helena, Montana, notes on fungi of, 80. 
Heteroecism of JJredinece, 104,167. 
Ilolladay, A. L., experiment in vineyard of, 205. 
Hot water for disinfecting seed grain, 42,164, 218. 
Hyacinth: 
Bulbs, white rot of, 226. 
Disease, 176, 225. 
Gummosis of, 225. 
Hymenium: 
Of Sclerotium vaccini, 40. 
Of Mucronoporus, 28, 90. 
Hymenomycetes: 
A method of preserving spores of, 163. 
Hew species of, 24. 
Hyphae, anastomosing of, 47. 
Ilyphomycetous fungi, new species of, 68. 
Rypoxylon and Nummularia, synopsis of Horth 
American species of, 19, 
Indian Corn. (See Zea Mayt.) 
