504 



INDEX 



Mosaic 



cotton 405, tobacco 306, tomato 



314. 

 Mulberry 443. 



bacteriose 443. 

 Mushrooms 246. 



mycogonose 246. 

 Muskmelon 217, 247. 

 Mycelium 486. 

 Mycogone perniciosa 246. 

 Mycogonose 246. 

 Mycosphaerella 



citrullina 223, gossypina 403. 

 Mycosphaerellose 317. 

 Myxosporium corticolum 87. 



Nasturtium 



alternariose 469, damping off 

 469, pseudoinonose 469. 



Necrosis 171. 



Nectria 



cinnabarina 87, 115, 424, ditis- 

 sima 87, 115, Ipomceae 236. 



Nectriose 



egg plant 236, sweet potato 294. 



Nematode galls 67. 



New Hampshire fruit spot 96. 



Nozzles 44. 



Numularia 424. 

 discreta 86. 



Nutriment 1. 



Oak 444. 



leaf curl 444, microsphserose 

 444, powdery mildew 444, taph- 

 rinose 444. 



Oat 343. 



anthracnose 352, black stem 

 rust 349, covered smut 349, 

 crown rust 350, loose smut 343, 

 powdery mildew 352, phyllo- 

 stictose 350, pseudomonose 351, 

 scab 350, smut 14, 19, ustilagose 

 349, yellow leaf disease 352. 



CEdema 313. 



Oidium Chrysanthemi 463. 



Oleander 



bacillose 470, gall 470, knot 

 470. 



Olive 192. 



Cycloconium oleaginum 193, 

 knot 192, peacock leaf .spot 193, 

 Pseudomonas Savastanoi 192, 

 sooty mold 193. 



Onion 



black mold 254, 255, blight 250, 

 damping off 255, downy mil- 

 dew 250, smut 13, 247, soft rot 

 253, vermiculariose 252. 



Oospora scabies 208, 267. 



Orange rust 144. 



Orange leaf rust 



rye 359, wheat 367. 



Orchard grass 



anthracnose 396, black stem 

 rust 396, rust 396, scoleco- 

 trichose 396. 



Orchids 470. 



Ornamental plants 451. 



Orobanche 



minor 390, tobacco 307. 



Osage orange 444. 

 rust 444. 



Ozoniose 62, 427. 



Ozonium omnivorum 380, 401, 427. 



Pacific coast canker 83. 



Pale rot 115. 



Palm 470. 



Pan firing 58. 



Pansy 



colletotrichose 470, downy mil- 

 dew 471, fusariose 471, rust 471. 



Parsley 255. 



drop 255, crown rot 255, sclero- 

 tiniose 255. 



Parsnip 255. 

 leaf spot 255. 



Pea 255. 



ascochytose 255, damping off 

 259, leaf spot 259, Pleospora 

 259, powdery mildew 258, rhi- 



