INDEX 



473 



Light filter, 265. 



Lilac, food in buds of, 253. 



Mildew of, 406, 407.* 



starch in, during winter, 259. 



transpiration of, 204. 

 Lilium. See Lily. 

 Lily, embryo-sac of, 291.* 



leaf-scar of, 212. 



stomata of, 210. 



storage of food in, 313. 

 Lily, Pond. See Lily, Water. 

 Lily, Water, 282, 337. 339. 

 Lima Bean. See Bean, Lima. 

 Lime as fertilizer, 151, 153, 154. 



benefits puddled soil, 129. 



destroys insects and fungi, 152. 



effect of, on flora, 350. 



flocculates clay, 152. 



for softening water, 152. 



how supplied to soil, 151. 



needed by plants, 139. 



promotes decomposition, 152. 



sets free plant-food, 152. 



sweetens sour soil, 152. 



test for, 157. 



Lime carbonate, dissolved l>y rvirlxmic 

 acid, 140. 



chloride as disinfectant, 364. 



oxalate, crystals, 232.* 254. 



sulphate, as fertilizer, 151. 



etched by roots, 144. 



for casts, 76. 



germination experiments, 44. 



water, 34, 139. 

 Linden, change of fat to starch in, 259. 



dispersal of seeds of, 322.* 



fat of, in winter, 259. 



protection of pollen of, 294. 

 Linnaeus, floral clock of, 295. 

 Linum. See Flax. 

 Lipase, 170. 



Liriodendron. See Tulip Tree. 

 Listerine as disinfectant, 364. 

 Live-f or-ever, protection of, against drying, 

 215. 



storage of food in, 260. 



water in, 334. 



water reservoirs of, 216. 

 Loam, 108. 



Lockjaw, 328, 380. 



Loco weeds, 222. 



Locust, protection against animals, 222. 



Lodeman, on pruning, 264. 



spraying, 407. 

 Lonicera. See Honeysuckle. 

 Loughridge, acknowledgment to, x. 



on soil testing, 155, 160. 

 Lubbock, on pollination, 307. 

 Lupine, dispersal of seeds of, 320. 



leaves of, follow sun, 218. 



root-tubercles of, 149, 



seed-covers of, hinder absorption, 25. 

 Lupine, Yellow, visited by bees, 299. 

 Lupinus. See Lupine. 

 Lye absorbs carbon dioxide, 34. 



and alcohol for bleaching leaf, 225. 

 - softens bark, 248. 

 Lyle, on plant-breeding, 453. 



MacDougal, on mutation, 453. 

 Madia. See Tar-weed. 

 Magnesium needed by plants, 139. 

 Magnolia, air-passages of, 280. 

 Mahonia, transpiration of, 204. 

 Maize. See Corn. 

 Malaria, 380. 

 Mallow, leaf of, follows sun, 218. 



Rust of, 406. 



Mallow family, cross-pollination of, 303. 

 Manure as general fertilizer, 148, 153. 



as mulch, 115. 



benefits puddled soils, 129. 



decomposition of, 383. 



green, 150, 384. 



nitrogen in, 147. 

 Maple, bird's-eye, 262. 



dispersal of seeds of, 321, 322, 323.* . 



flower-buds of, 286. 



food in buds of, 253. 



preparation of, for flowering, 286. 



protection of, against drying, 213. 

 Maple, Sugar, run of sap of, in spring, 2 



259. 

 Marble as fertilizer, 151. 



dissolved by carbonic acid, 141. 



etched by roots, 144. 

 Marking, apparatus for, 78.* 

 Marl as fertilizer, 151. 



