300 



Index. 



Sap -sprouts on fruit trees, 140. 



Saw, pruning, 268. 



Science and art denned, 9; how 

 best learned, 10. 



Scientific names, why used, 20. 



Scion, 220. 



Screens for shading plants, 

 145. 146. 



Season for pruning, 254. 



Seed, 104; age of, as affecting 

 the resulting crop, 110; ma- 

 turing of, injures fodder 

 crops, 105; plantlet visible in, 

 40; production of exhausts 

 plants, 104; selection, im- 

 portance of, 273; vigor of 

 plantlet proportionate to size 

 of, 38; vitality, conditions af- 

 fecting duration of, 108. 



Seed-case defined, 23; influence 

 of on absorption of water by 

 seeds, 23; in germination, 33; 

 is useless after germination 

 commences, 33; plantlet may 

 need help to burst, 34. 



Seeding, prevention of, pro- 

 longs the life of plants, 105. 



Seed-leaves defined, 36. 



Seedlings, pricking off young, 

 76; selection of crossed. 278; 

 variation produced by grow- 

 ing. 274; young, injured by 

 unobstructed rays of sun, 145. 



Seeds absorb water by contact, 

 22; a few germinate in water, 

 27; drying of, how affecting 

 their vitality, 110; earlier 

 germinating, form more vig- 

 orous plantlets, 38; gathering 

 and storing of, 106; germina- 

 tion hastened by mutilating 

 seed-case, 30; how deep 

 should they be planted? 38, 

 191; immature vs. ripe. 107; 

 in which hypocotyl lengthens 

 must be planted shallow, 36; 

 of pumpkin family should be 

 planted flatwise, 34; rate at 

 which they absorb water, 22; 

 should be tested before plant- 



Seeds 



ing. 31; should not be planted 

 until soil becomes warm, 29; 

 stored, moisture an enemy 

 to, 109; stratification of, 111; 

 very small, should not be 

 covered, 39, 191; vitality of, 

 limited by age, 108; why 

 cover, at planting, 33; why 

 they fail to germinate, 30; 

 testing, directions for, 31; 

 -tester described. 31. 



Selection a means of fixing 

 variations, 272; of crossed 

 seedlings, 278; of seed, im- 

 portance of, 273; of subjects 

 for crossing, 275; principles 

 of, 17, 270. 



Self pollination, 102. 



Sepal, 96. 



Sexual reproduction, 16. 



Shading plants after trans- 

 planting. 251. 



Shears, hedge, 269; lever, 269; 

 pole, 268; pruning, 268. 



Shed screen for shading plants, 

 145. 



Shield budding, 231. 



Shifting plants, 248. 



Side grafting, 228. 



Sifting box for applying in- 

 secticide powders, 171. 



Slenderness, pruning for, 258. 



Slips, 214. 



Slugs, 162. 



Smut of the small grains, 181; 

 of corn, 180; of onion. 181. 



Snails, 162. 



Sodium nitrate. 156. 



Soil, and the root. 65; a scene 

 of constant changes, 68; com- 

 pacting, about seeds hastens 

 germination. 28; compacting 

 wet, may prevent germina- 

 tion, 27; depth of roots in, 

 77; how penetrated by root- 

 tip, 70; ideal, for land plants, 

 68; importance of organic 

 matter in, 69; needs ventila- 

 tion, 69; particles of. dis- 



