INDEX. 



269 



Odontoglossurn, 173 



„ citrosinum, 172 



<Edomyces leproides, 92, 245 

 <Enothera, pest on, 49 

 Oidium abortifaciens, 235 



„ Balsamii, 84, 150, 243 



„ Berberidis, 186-7 



„ bullatum, 122 



„ Chrysanthemi, 50 



„ Cydoniae, 124 



„ erumpens, 60 



„ erysiphoides, 100 



., Euonymi-japonicre, 190 



„ farinosuni, 110, 111 



„ leucoconium, 45 



„ mespilinum, 124 



„ monilioides, 237 



„ pactolinum, 167 



„ Tuckeri, 45, 84. 156, 157 

 Oleander leaf-spots not in Britain, 178 

 Olive pests of slight consequence in this 



country, 164 

 Olpidium Brassicae, 82 

 Oncidium anthracnose, 174 

 Onion, bacterial rot, 106 



„ mildew, 104 



„ mucor, 106 



„ rot-mould, 105 



„ rust, 104 



„ scab, 104 



„ sclerote, 106 



„ smut, 106 



„ spindle-mould, 104 

 Oospora Cookei, 176 



„ inaequalis, 176 



„ Scabies, 92 

 Opium poppy, 22 

 Orange anthracnose, 163 



„ blotch, 164 



„ foot-rot, 163 



,, leaf-spot, 163 



„ mould in Italy, 163 



„ scab, 163 



„ sooty blotch, 162 



„ „ „ Australian, 162 



„ „ ,, Italian, 162 



„ ,, „ Sicilian, 162 



„ „ mould, 162 



Orchard Agarics, 142 



„ trees, pests of, 109 

 Orchid anthracnose, American, 173 

 „ Bidgood's, 173 



„ „ Malagasy, 174 



,, „ Mexican, 174 



„ black mould, 172 



„ disease, 170 



„ Hemileia, 174 



„ leaf-spot, 171 

 rust, 171 

 Ornithogalum black mould, 67 

 „ brand, 67 



„ siriut, 66 



„ umbellatum, 67 



Osier rust, 221 

 Ovularia Berberidis, 186 



„ circumscissa, 131 

 Clematidis, 20, 21 



„ elliptica, 64 



,, exigua, 248 



Ovularia interstitialis, 56 

 ,, necans, 124 

 „ primulana, 56 

 Syringae, 191 



Paeony brown mould, 19 

 „ drooping disease, 19 

 „ leaf-spot, 18 

 „ rust, 18 

 Palm leaf-spot, 176 

 Palm-leaf black mould, 175 



„ pustule, 175 

 Pansy diseases, 23 

 Paraffin, 254 

 Parsley leaf-spot, 89 

 Parsnip rot-mould, 90 , 



,, spot-mould, 90 

 Partridge wood, 210 

 Passalora bacilligera, 216 

 Passion-flower black mould, 168 

 Passiliora quadrangularis, 168 

 Pavia, leaf-spot on, 204 

 Pea anthracnose, 87 

 „ mildew, 88, 249, 255 

 „ pod spot, 87 

 „ rust, 88, 249 

 Peach anthracnose, 132 

 „ curl, 133 

 „ freckle, 134 

 „ leaf-blister, 133 

 „ „ frosty mildew, 134 

 „ rot, 132 

 „ rust, 132 

 „ scab, 134 

 „ shot-hole fungus, 131 

 „ spot-mould, 134 

 „ yellows, 134 

 Pear, brown rot, 135 

 „ cluster-cups on, 196 

 „ leaf-blight, 122 

 „ ,, „ American, 123 



„ blister, 122 

 „ „ cluster-cups, 120 

 „ „ „ not in Scotland, 122 



„ spots, 123 

 „ mould, 123 

 ,, scab, 123 



„ sulphury wood-rot, 208 

 „ tree canker, 119 

 ,, twig pustule, 119 

 Pelargonium anthracnose, 40 

 „ leaf-spot, 40, 41 



,, rust, 41 



„ stem-rot, 40 



Pellicularia Koleroga, 167 

 Penicillium digitatum, 162 

 Pentstemon leaf-spot, 62 

 Peridermium columnare, 224 

 „ elatinum, 224 



Pini, 224 

 Periwinkle leaf-spot in Europe, 59 

 „ rot-mould in Europe, 59 



„ rust, 59 

 Permanganate of potash, 254 

 Peronospora arborescens, 22 

 „ Candida, 57 



„ crispula, 22 



„ Dianthi, 36 



