Index. 
Cauliflower heads to be shaded from 
sunlight, 136. 
Caustics, destroying insects by, 151. 
Cell division, 15. 
Cells, guard, 47, 48; palisade, 47; some 
properties of, 13. 
Cellular structure of living beings, 13. 
Chili-saltpeter, 144. 
Chincb-bug, 157. 
Chlorid of potash, 145. 
Chlorophyll defined, 40; forms only in 
light, 40; iron essential to formation 
of, 43; no food formed without, 41. 
Chlorophyll bodies, 40. 
Cion, 203. 
Cion grafting, 204. 
Classification defined, 17; illustrated, 18. 
Cleft grafting, 209. 
Close pollination, 96. 
Clouds tend to avert frost, 123. 
Clover, dodder of, 165. 
Codling moth, 162. 
Cold air drainage, 125. 
Cold, excessive, how affeeting the plant, 
113. 
Cold-frame, 188. 
Composite flowers, 93. 
Conditions affecting power of plants to 
endure cold, 114. 
Cooling the plant, immediate effect of, 
113. ; 
Copper carbovate, ammoniacal solution 
of, 170. 
Corm, 183. 
Corn, detasseling, 242. 
Corolla, 91. 
Cotyledons defined, 33. 
Covering of seeds in planting, why im- 
portant, 31. 
Cracks in fruits and vegetables due to 
excessive moisture, 130. 
Crop, affected by age of seed, 103; a 
growing, tends to conserve fertility, 
146; removal of, tends to reduce plant 
food in the soil, 141; rotation of, econ- 
omizes plant food, 146, 
Crops, trees detrimental to neighbor- 
ing, 57. 
Crossed seedlings, selection of, 256. 
267 
Crosses, after care of, 256; and hybrids 
defined, 19: variability of, 20. 
Cross fecundation, how accomplished, 
254. 
Crossing, selection of subjects for, 253; 
variation produced by, 253. 
Crossings, planting with roference to 
chance, 257. 
Cross pollination, 96; advantage of, to 
plants, 96. 
Cucumber, screen-covered frame for 
protecting hills of, 150. 
Cucurbite, provision in, to aid plantlet 
to emerge trom seed-case, 32. 
Cultivation tends to prevent drought, 
133. 
Culture, aim of, 11; deals with life, 12; 
defined, 10; plants have improved 
under, 249; variation produced by, 252. 
Current, evaporation, 57; of assimilated 
food, 59. 
Cuticle defined, 47. 
Cutting, essentin] characters of a, 186. 
Cuttings, 185. 
Cuttings, conditions favoring growth of, 
186; from active plants, 198; from dor- 
mant plants, 194; trom dormant 
stems, 195; of woody plants, prefer- 
ably made in autumn, 108; parts of 
plants to be ased for, 186; planting in 
autumn, 195; sturage of, 194; tool for 
planting, 228. 
Cattings, green, 198; especial care nec- 
essary in propagating plants from, 199; 
how made from herbaceous plants, 200; 
how made from woody plants, 201; to 
be potted as soon as roots are formed, 
200. 
Cuttings, leaf, propagation by, 201. 
Cuttings, mallet, 195. 
Cuttings, root, 197. 
Cuttings, stem, 195. 
Dalmatian insect powder, 153. 
Damage from cold prevented by protect- 
ing with non-conducting material, 
119. 
Damping off, 200. : 
Darkening of wood, 116. Fl 
