Plant Index, 



357 



Peronospora vitioola, 305. 



Physalis, 262, 327. 



Physalospora Bidwellil, 305. 



Phytonomi, Entomophthora, 298. 



Pine, 139, 141(2), U3(2), 144(2), 145(2), 189, 262, 



267, 307. 

 Pine, maritime, 139. 

 Plantain, 134. 



Platanus ooeidentalis, 227, 328. 

 Plowrightia morbosa, 305 . 

 Plum, 133, 137, 178, 223, 225, 226, 257, 305, 306, 



320. 

 Plum leaf fungus, 305. 

 Plum rot, 305 . 

 Pollen, 263. 

 Pomegranate, 307. 

 Poplar, 164. 



Poplar, Lombardy, 222. 

 Populus balsamifera, 222. 

 dilatata, 222. 

 monilifera, 164. 

 Potato, 262, 276, 311, 324. 

 Powdery mildew, 305. 

 Prince's Pine, 212. 

 Pteris aquilina, 172. 

 Pyrethrum, 197. 

 Pyrethrum inodorum, 198. 

 pyrinum, Fusicladium, 305. 



a. 



Quercus, 183. 



bieolor, 164. 



nigra, 325. 



prunus, 162. 



rubra, 162, 325. 



tinctoria, 162. 

 Quince, 135, 204, 207, 223, 229, 294, 307, 328. 



R. 



Ragweed, 276, 317. 318. 

 Ramularia Tulasnei, 305. 

 Raspberry, 258. 

 Raspberry rust, 305. 

 Red oak, 162. 

 Red Root, 206. 

 RhubarU 212. 

 Roestelia penicillata, 305, 



Rose, 177-179, 307, 313. 

 rubrum, Acer, 299. 

 rubra, Quercus, 162, 325. 

 rupestris, Juglandis, 323. 

 Rye, 149. 



S. 



Scolopendrium vulgare, 199. 

 Scrub oak, 325. 

 Septoria cerasina, 305. 

 serrulata, Alnus, 217, 221. 

 Shad-bush, 257. 

 Siberian arbor vitse, 321. 



Soft maple, 266, 313. 

 Solanum, 311. 

 Solidago, 143, 206. 



Canadensis, 262. 

 Sonchus oleraceus, 197. 

 Sow-thistle, 197. 

 Sphaceloma ampelinum, 305. 

 Spinach, 175. 

 spiralis, Uncinula, 305. 

 Sporotrichum larvatum, 220. 

 Spruce, 140, 141, 142, 144, 216. 

 Squash, 258. 

 Sauill, 212. 



Strawberry, 136, 276, 305, 307, 324. 

 Strawberry leaf -blight, 305. 

 Sugar maple, 324. 

 Sweet-flag, 212. 

 Sycamore, 158, 227. 



T. 



Tamarack, 141, 325, 



Tamarix, 274. 



Tanaeetum, 193. 



Tansy, 193, 314. 



Thuja occidental is, 140. 



Tilia, 183. 



Timothy, 176. 



tinctoria Quercus, 162. 



Tobacco, 208. 



Tomato, 305. 



Tomato rot, 305. 



triacanthos, Gleditschia, 203. 



Tsuga Canadensis, 179. 



Tulasnei, Ramularia, 305. 



Turnip, 199. 



Ulmus, 183, 264, 318. 

 Uheinula spiralis, 305. 

 Urtica dioica, 197. 



Vaecinium, 172, 257. 

 Valerian, 319. 

 Verbena, 197, 307. 

 vulgare, Scolopendrium, 199. 



W. 



Walnut, 307. 



Wheat, 131, 137, 148, 192, 208, 212, 265, 288, 296. 



White birch, 326. 



White elm, 318. 



Wild crab, 304. 



Wild grape, 185, 262. 



Willow, 178, 222, 235, 266, 307. 



Woodbine, 199. 



Yucca, 278. 



