CLOVER CULTURE. 



Camples of, 94, 96; short, 94; three years, 

 94; four years, 94, 85; fix years, 95; west 

 of the Missouri, 95,96; lor Minnesota, 

 96; for potato growers, 96, 97. 



Running Buffalo Clover Description of, 

 62, 63; climatic range of, 63; illustration 

 of, 67. 



Sanborn, Prof., on spontaneous combus- 

 tion, 85, 86. 



Semi-arid region, approximately defined, 

 35,36. 



Sloughs, how best seeded to alsike, 77, 78. 



Soil robbers, operations of, 148, 149. 



Soils of the Eastern and Western states 

 compared, 145, 146; none inexhaustible, 

 247. 



Soy bean, a substitute for clovers. 96. 



Spontaneous combustion of clover hay, 85, 

 90; Prof. Sanboru on, 86, 87; letter on, 

 from H. R. Learning, 86; instance of, 87; 

 charcoal from, described, 87; J.W. Bopp's 

 report on fifty cases of, 88; in Illinois, 

 88; Prof. Burrell's conclusions on, 88, 

 89, 90. 



Straw in combination with clover, 15, If 6. 



Sweet Clover Distribution of, 11; habit of 

 growth, 54; where valuable for forage, 

 54; value as bee psture, 54; illustration 

 of, 55. 



Tedder Use of in curing clover hay, 80; 

 indispensabl^ to secure the best quality, 

 82; how to use it to be^t advantage, 83; 

 failure to use it a frequent cause of 

 spontaneous combustion, 85. 



Timothy, in permanent pasture, 74. 



Trifolium Carolinanum Description of, 

 63; climatic range, 63; illustration of, 68. 



Trifolium fucatum Description of, 61; 

 illustration of, 64. 



Trifolium involucratnm Description of, 

 62: climatic range of, 62; illustration of, 



Trifolium megacephalum Description of, 



61. 62; climatic range of, 62; illustration 

 of, 65. 



Trifolium stoloniferum Description of, 



62, 63; climatic range, 63; illustration of, 

 67. 



Tubercles The means by which clover? 

 acquire nitrogen, 133; description of, 

 134; connection between their number 

 and the size and vigor of plants, 134; 

 relation to fer'ility of soil, 134, 135; Hell- 

 riegel'B elaborate expeiiments therewith, 

 1S4, 135, 136; illustration and description 

 of, 138, 139, 140; Prof. O. W. Atwater s in- 

 vestigations in relation thereto, 140, 141, 

 142; investigations of Sir J. B. Lawes and 

 Dr. Gilbert, 142; the theory of as an expla- 

 nation of previously known facts in rela- 

 tion to clover culture. 142, 143; affords a 

 rational explanation of an agricultural 

 paradox, 145. 



"Wfy Out" Must provide for retaining 

 and restoring soil fertility, lf-2: must be 

 FOWU with legumes, 152; must enable 

 farmers to condense freights, 153; must 

 enable the farmer to economize carbona- 

 ceous foods, 154. 155, 156. 



Webster, Prof., description of clover-hay 

 worm. 115, 116. 



Wet lands, how best seeded to alsike clo- 

 ver, 77, 78. 



White Clover Its distribution, 11, 13, 14; 

 its relation to permanent pasture, 45, 47, 

 48, 49; wherei it differs from red and 

 mammoth clover, 45, 46; method of seed- 

 ing, 46: at>h constituents compared with 

 those of red clover, 46; origin of, 46, 47; 

 its peculiar relation to blue grass, 46, 47; 

 its disadvantages, 47, 48; depth of cover- 

 ing necessary, 49; on wild prairie, 75; in 



permanent pasture, 74. 

 Wolff' s feeding standards, 101. 



LIST OF ILLUSTRATIONS. 



PAGE. 



Common red clover 28 



Mammoth clover 29 



Alfalfa 13 



Alsike 50 



Sweet clover 55 



Crimson clover 57 



Japan clover 59 



Trifolium fucatum 64 



Larg-e-headed clover 65 



Trifolium involucratum . . 66 



Buffalo clover 67 



Southern clover . . .68 



PAGE. 



Clover-leaf midge 108 



Clover-root borer 109 



Clover-stem borer Ill 



Clover-leaf beetle 112 



Clover-leaf hopper 114 



Clover-hay worm 115 



Clover dodder 118 



Red clover blossom 119 



Clover-seed midge . . . 127, 128 

 Clover-seed caterpillar . . 131 

 Tubercle on roots of the 



lupine 139 



