426 INSECTICIDES, FUNGICIDES, AND WEED KILLERS. 



Powders, Fostitebriihe, 216. 



— Skavinsky, 216. 



— sulfatine, 216. 



— tobacco. See Snutf. 



— various others, 215-17. 



Preventive summer and winter treatment, 



16-17. 

 Processionarv bombvx, 340, 387. 

 Props. 339-40. 

 Protection of pine seed, 194. 



— of seed against granivorous birds, 194, 



343, 377'; 381. 



— of seed beds, 194, 343, 377, 381. 



— of sown fields against birds, 194, 343, 



377, 381. 

 Proteus vulgaris, 84. 

 Protochloride of mercury. See Calomel. 

 Protococcus, 165, 208. 

 Pruning, eti'ect of, 1. 

 Prussian blue, preparation, properties, use, 



188. 

 Prussiate, yellow, of potash, 187-8. 

 Psila Rosie"(carrot flv), 306, 308, 401. 

 Psylla (leaf fleas), il2, 304, 305, 352, 377, 



381, 401. 



— of tlie apple-tree (Psylla mali), 112, 305, 



352, 358, 401. 



— of the pear (Psylla pirisuga, Psylla piri, 



Psylla piricola), 112, 304, 352, 358, 



401. 

 Psylloides affinis (altise of the potato), 274, 



302, 384. 

 Puccinia (rusts), ,36, 48, 113, 184, 190, 209, 



223, 245, 281, 292. 



— compositarnm (rust of composite), 246. 



— coronata (rust of oats), 36, 40, 85, 100-2, 



114, 121, 165, 170, 188, 189, 190, 193, 

 197, 200, 223, 268, 269, 324, 403. 



— graminis (common rust), 36, 40, 85, 110, 



114, 121, 166, 175, 189-90, 193, 197, 

 200, 210, 223, 266, 269, 324, 403. 



— pruni (rust of kernel fruit trees), 246, 



266, 403. 

 • — Ribis (rust of gooseberry), 246, 403. 



— Rubigo vera (rust of wheat). 40, 85, 



143, 170, 200, 223, 268, 269, 403. 



— Tanaceti, 246, 403. 

 Puceron. See Apliis and Aphides. 

 Pucerotte (altise of vine), which see. 

 "Puknos," 102, 198. 



Pulvinaria Vitis (red cochineal of vine), 77, 

 82. 88, 136, 147, 306, 337, 342-3, 375, 

 390. 



Purin, 153, 164. 



Putridity of seedlings, 23. 



"Pyoctanine" (methyl violet), 370. 



Pyralis of the a])ple (Carpocapsa pomo- 

 nella, worniv .■ii)|)lcs, apple worm, 

 codlin niotli).' .V!. I'J'.t. 134, 151, 196, 

 275, 34tl, :;is. :;s(). loi. 



— of the pear, 27.'>. 



— of the plum (Carpocaj)sa funebrana), 129, 



134, 275, 401. 



— of the vine (Tortrix vitana), 8, 39, 40, 82, 



88, 90, 91, 260, 288, 292, -342, 392, 



401. 

 Pyrethra, 129, 307, 378-81. 

 Pyridine bases, 361. 

 Pythium de Baryanuiu (daming off), 36, 



Quassi aniara, extraction an<l use, 307, 313. 



328, 375-7. 

 Quassiue, 376. 



Quicklime versus founaline on onions, 323. 

 Quince-tree, 237, 250, 257, 259. 



Rabbits, 343. 

 Radish, diseases of :— 



Anbury (tinger and toe). 122, 144. 400. 

 Entomoscelis, 275, 380, 392. 

 Fly, 112, 306, 308, 400. 

 Saw-rtv (Tenthredo), (Athalia spinarum), 

 380," 386. 

 Rape cake, destruction of wire-worm by, 8. 

 I Raspberry, diseases of: — 

 ! Gloeosporium venetum. 255, 394. 

 Leaf spots, 254, 268, 394. 

 Rats and ndce (Mus aniphibius, Mus ratus, 

 Mus decumanus, ordinary rat), 25, 77, 

 81, 92, 96-7, 112, 139, 293, 343, 368, 

 377, 382. 

 Red lead, preparation, properties, and use, 

 196. 



— spider. See Tetranyehus. 

 "Reflorit," 358. 



Reseda (mignonette), leaf spots, 258, 389. 

 Resin (? rosin) of pine, 349-52. 



— ('! rosin) of spruce, 349-52. 



— (rosin) soaps, 288, 349-52. 

 Respiration of immersed vine roots, 29. 

 Rhiuoieros (Oryctes nasicornis), 67, 330, 397. 

 Rhizobium leguminosarum, 4. 

 Rhizobius, 70. 



Rhizoctinia of asparagus, 320, 401. 



— of the beet (Rhizoctinia violacete), 36, 143, 



156, 185, 356, 401. 



— of vine, 64. 



— Solaui (potato pox), 291, 320. 

 Rhizotrogus marginipes (St. John cock- 

 chafer), 67, 390. 



— solstitiales (St. John cockchafer), 67, 390. 

 Rhopobota Vacciniaua, 196. 



Rhyuchites Fragarice, 373. 



Rice weevil, 68. 



Ring trap of bird-lime, 16. 



Rodents, 25, 77, 96,_ 139, 157, 293, 377, 382. 



Roesleria hypogea, 58. 



Roestelia canuellata (pear leaf cluster cups), 



246. 

 Roncet, bacillary gummosis of vine, 24. 

 Root hairs, reconstitution of, 28. 



— of hellebore. See Hellebore Root. 

 Roots, disinfection of, 36-7, 63, 70, 130, 295, 



297, 384-5. 

 Rose laurel, 382. 



— — cochineal of, 332. 



— tree, 280. 



— diseases of : — 

 Aphis, 76, 331, 385. 



Botrytis cinerea, 143, 156, 157, 162, 163, 



259, 284, 320, 387. 

 Cecidomya, 374, 381, 388. 

 Fly, 374, 381, 388. 

 Hylotome, 342, 378, 380, 395. 

 Mildew, 37, 51, 103, 115, 150, 250, 329, 



339, 365, 392. 



