392 



Index 



Meliotus denliculata, 20. 



lupulina, 20. 



Melissa officinalis, 256. 

 Mentha virides, 258. 

 Merrill, L. A., 65. 

 Methods of control, 361. 

 Mint diseases, 258. 

 Mofiilochcetes infuscans, 168. 

 More, C. T., 226. 

 Morse, W. J., 316. 

 Mosaic, 83 et seq. 

 Muck or peat soils, 34 et seq. 

 Mushroom diseases, 103 et seq. 



Bacterial spot, 103, 104. 



The Mycogone disease, 103 



et seq. 

 Mustard diseases, 208. 

 Mycogone perniciosa, 104, 105. 

 Mycospharella brassicola, 204. 

 citrulina, 22. 



N 



Nematospora lycopersici, 345. 

 Nepeta cataria, 257. 

 Niter-sick soils, 24. 

 Nitrification, 14. 

 Nitrobacter, 14. 

 Nitrogen fixation from air, 18. 



maintaining supply, 17. 



Nitrosococcus, 14. 

 Nitrosomonas, 14. 



O 



O'Gara, P. J., 324. 

 Okra diseases, 295 et seq. 



Leaf spot, 295. 



Root knot, 298. 



Root rot, 297. 



Texas root rot, 297. 



Wilt, 296. 

 Olpidium brassicce, 193. 

 Onion diseases, 285 et seq. 



Anthracnose, 289. 



Black mold, 290. 



Black neck, 290. 



Blight, 286. 



Bulb rot, 290. 



Damping off, 286. 



Downy mildew, 286. 



Pink root, 291. 



Rust, 289. 



Sclerotium rot or black 

 neck, 290. 



Smut, 288. 



Soft rot, 285. 



storage, 292 et seq. 



Oogonia, 43. 



Oogonium, 11, 43. 



Orton, W. A., 232, 273, 327. 



Ozonium omnivorium attacking 



okra, 297. 

 attacking sweet pota- 

 to, 175- 



Pammel, L. H., 46, 123. 

 Parasitic fungi, 10. 



soil Fusaria, 46, 47. 



Parsley diseases, 357. 



Drop, 357. 



Late blight, 357. 

 Parsnip diseases, 357. 



Early blight, 357. 



Root rot, 357. 

 Pastinaca sativa, 357. 

 Penicillium expansum, 11. 

 Pepper diseases, 303 et seq. 



Anthracnose, 303. 



Black anthracnose, 303. 



Fruit rot, 304. 



Leaf spot, 304. 



Southern blight, 305. 

 Peppermint diseases, 258. 

 Perithecium, 12. 

 Peronospora effusa, 131, 132. 



parasitica attacking cab- 



bage, 194. 

 schachtii, 123. 

 schleideni, 286. 



Pestalozziafunerea attacking gin- 

 seng, 113. 

 Phaseolus vulgaris, 260. 

 Phoma beta, 125. 



destructiva, 346. 



uapobrassicce, 215. 



oleracea, 195. 



solani, 324. 



