Index 



Healthy soil flora, nature and 



function, 12. 

 Helianthus annuus, 148. 



tuber osus, 137. 



Heterodera radicicola, 48, 52, 332. 

 attacking cabbage, 



199. 



attacking beets, 129. 



attacking lettuce, 146. 



attacking sweet pota- 

 to, 176. 



Heterosporium variabile, 134. 

 Hibiscus esculentus, 295. 

 Hicks, G. A., 96. ' 

 Higgins, B. B M 214. 

 Hopkins, G. G., 31. 

 Horehound diseases, 258. 



Leaf spot, 258. 



Powdery mildew, 258. 

 Horseradish diseases, 204 et seq. 



Leaf spot, 207. 



Macrosporium black mold, 

 206. 



Root rot, 205. 



Shot hole, 206. 



White mold, 206. 

 Humbert, J. G., 55. 

 Humphrey, J. E., 232. 



Insecticides, 362. 

 Iron, changes of, 15. 

 Irrigation, methods of, 67 et seq. 

 Isariopsis griseola, 269. 

 Istvanffi, G. De, 143. 



J 



Jamieson, C. O., 331. 

 Johnson, J., 57,276. 



T., 320, 347. 



Jones, L. R., 74. 



Kale diseases, 207, 208. 

 Koch, Robert, 4. 



Lactuca saliva, 140. 

 Lady beetles, 376. 

 Leeuwenhoek, Anton van, 4. 

 Lettuce diseases, 140 et seq. 



Bacterial blight, 140. 



Cercospora leaf spot, 145. 



Downy mildew, 141. 



Gray mold, 142. 



Leaf spot, 144. 



Lettuce drop, 143. 



Root knot, 146. 



Rosette, 146. 



Shot hole, 145. 

 Levine, E., 347. 

 Lightning injury, 74, 75. 

 Lima bean diseases, 267 et seq. 



Blight, 267. 



Downy mildew, 267. 



Leaf blotch, 269. 



Leaf spot, 269. 



Pod blight, 268. 



Powdery mildew, 268. 



Root rot, 269. 



Rust, 268. 



Texas root rot, 269. 

 Lutman, B. F., 318. 

 Lycopersicum esculentum, 339. 

 Lysiphlebus testaceipes, 375. 



M 



McClintock, J. A., 263. 

 McCulloch, L., 202. 

 McKay, M. B., 127. 

 Macrosporium herculeum, 206, 

 217. 



parasiticum, 290. 



porri, 290. 



solani, 325. 



sp., 304. 



Malnutrition, 80 et seq. 

 Manns, T. F., 99, 195. 

 Marrubium vulgare, 258. 

 Marsonia perforans, 145. 

 Meier, F. C., 239. 

 Melanconium Tisdale, 349. 

 Melhus, T. E., 212, 323. 

 Meliotus alba, 20. 



