INDEX. 



415 



Cuscuta of flax (C. densiflora), 150, 178, 

 211, 391. 



— of hop and hemp (C. major), 150, 178, 



211, 391. 



— of lucerne and trefoil (C. minor), 119, 



150, 178,211,391. 

 Cyanide of potassium, 12, 130, 136. 

 Cyaniding greenhouses, 133. 



— trees, 133. 



Cycloconium oleaginum (spots of leaf of olive- 

 tree), 258, 288. 

 Cyliudrosporium mori, 254, 403. 



— padi (fall of plum leaves), 254, 403. 

 Cypress, kermes of, 306. 



Cystopus candidus (white rust of crucifers), 

 48, 403. 



— cubicus (white rust of compositae), 48, 



403. 



Dactylopius citri (cochineal of lemon-tree), 



42, 136, 151, 342-3, 350-1, 390. 

 — Vitus (cochineal, white, of vine), 82, 88, 



342, 343, 389, 390. 

 Dartrose baeillary gummosis of vine, 35, 182, 



394. 

 Dasyscypha Wilkommi, 185, 391. 

 Dauphiuelle Delphinium (larkspur), 382. 

 Davallia immune to prussic acid treatment, 



132. 

 De Bary on symbiosis, 3. 

 Deciduous trees and SO.j fumes, 80. 

 Deer, to prevent intrusion of, 148. 

 Dematophora necatrix (white rot of vine and 

 fruit trees). 51, 58, 64, 99, 103, 124, 157, 

 185, 224, 391. 

 Derivatives of carbon (carbon compoimds used 



as insecticides), 294-382. 

 Destruction by weed-killers of : — 

 Aerial parasites, 64. 

 Charlock, 106. 118, 161, 176-7, 200. 

 Horse tails (equisetum), poisonous, 106, 



119, 153. 

 Mosses, 38, 106, 121, 177-8, 211, 237, 291, 



363. 

 Mustards (wild), 176, 200. 

 Noxious herbs, 87, 106, 119, 153, 176-9, 



200, 211, 291, 338. 

 Weeds, 87, 106, 119, 153, 176-9. 200, 211. 

 291, 338. 

 Dew, toxic, in contact with insecticides, 10. 

 Diabrotica vittata, 260. 

 Diantus immune to prussic acid treatment, 



132. 

 DiaspiniB (diaspines, dia.spis, cochineals), 132, 



1-36, 182, 187, 390. 

 Diaspis, 82, 132, 306, 389, 390. 



— fallax, 182, 187, 389, 390. 



— ostreaformis, 136, 342, 389, 390. 



— pentagona, 77, 389-90. 



— piricola, 40, .306, 390. 

 Dietetico plant, 15. 

 Dinitrocresylate of potash, 367. 

 Diplosis rosiperda (rose-fly), 374, 395. 



— rosivora (rose fly), 380, 395. 



— violicola (violet-fly), 134, 381. 

 Diptera, 338. 



— of the elm (Erymia nitida), 313. 



Disease, bacterian, of potato (potato scab), 47, 

 84, 86-7, 110, 114, 143, 182, 237, 291, 

 301, .320, 356, 401. 



of mulberry, 182, 396. 



— of wild quince, 237. 



of beet leaves, petioles (leaf stalks), 24, 



36, 84, 143, 225, 355, 399. 

 of beets, 225. 



— of cabbage, 48, 403. 



— of clematis (black), 52, 225-6, 389. 



— Californian (browning of vine leaves), 237, 



388. 



— of conifers (Botrytis Douglasii), 192. 



— of cress, white rust of crucifers, 48, 403. 



— of cucumbers (Cladosporium cucumeri- 



num), 258-9. 



— of flax (Fusarium nov. sp.), 320, 393. 



— of gooseberry leaf (Gloeosporium ribis and 



Gloeosporium curvatum), 255, 394. 



— of gum (Fusiporium limoni), 80, 114, 394. 



— of gum of olive-tree and vine-tree, 80, 



114, .394. 



— of haricots (Phytophthora phaseoli), 114, 



242, 281. 



— of mushroom (gout of), 366, 368. 



— of mushroom (mole disease), 81, 137, 



143. 151, 225, 250, 366, 368, 395. 



— of orchids (Gloeosporium macropus), 255, 



370. 



— of plane-tree leaves (Gloeosporium ner- 



visequum), 225, 394. 



— of plaster of mushrooms (Monilia firai- 



cola), 366. 



— of poppy, 225, 370. 



— of potato (Phytophora infestans, De 



Barv), 86, 89, 90, 110, 119, 121, 143, 

 166," 169, 175, 182, 209, 210, 211, 212, 

 237 et seq, 265, 273, 281, 284, 290, 

 292, 320, 324. 361. 



— of raspberry (Gloeosporium venetum), 



255, 394. 



— of salsify. 48, 403. 



— of tomato, 52. 116. 150. 212, 242, 258, 



268. 



— of turnips, 48, 403. 



— of vine (red spider), 40, 53. 132. 152, 333, 



347, 405. 



— of walnut, 255, 394. 



— of wheat (Ophiobolusgraminus), 143, 186, 



397. 



— smut (Ustilago), 31 et seq., 83-6, 103, 113- 



4, 119, 175. 183-4, 217-24, 245-6, 290-3, 

 317-23, 358, 406. 

 Diseases, asthenic, 2. 



— bacterian, 47. 106, 319-20. 



— sthenic, 2. 

 Disinfection of : — 



Beet seed, 84, 225, 291, 355-6. 



Cabbages, 303. 



Flower seed, 48, 290, 313. 



Graft bearers (vine), 37, 129, 131-3. 



Granaries, 63, 68, 311-2, 321-3. 



Hothouses, 48-50, 131-6. 



Onions, 58, 223, 279, 323. 



Ornamental plants, 90, 130, 131-3, 365-6. 



— trees, 37, 90, 94, 130, 131-3, 178-9, 192, 



298, 343, 365-6. 

 Plants. 37, 130. 



Potatoes, 212, 237, 242, 272, 279, 291, 310, 

 319-20, 356, 361. 



