INDEX. 



601 



Seeds, small-sized, supposed to produce 

 plants capable of coming early to 

 maturity, 466 



steeping of, useless, 237 



temperature borne by, 231 



temperature required for their ger- 



mination, 230 



the best, produce the best breeds, 



487 



their preservation, 244 



weak, produce weak plants, 243 



will not produce the same pecu- 



liarities which characterise varie- 

 ties of the same species, 13, 95, 

 504 



with very hard integuments, means 



resorted to for assisting their 

 germination, 234 



Seed-packing, 245 



best mode for, 250 



exceptions to the general 



rule to be observed in, 

 351 



in bottles plunged in 



ships' water tanks, 253 



in charcoal, effects of, 249 



in clayed sugar, objection- 

 able, 249 



in hermetical enclosures, 



bad, 248 



successful mode of, em- 

 ployed by Dr. Eoyle, 

 252 



Seed-saving, 239 



Seed-sowing, 227 



depth of seeds in the soil, 



228 

 peculiar modes of, 234 



Silex, in solution, absorbed by the wheat 

 plant, 27 



' rejected by the pea, 27 



Situation of a garden, 199 



low, how improved, 201, 203 

 of more consequence than soil, 



200 

 relation of, to cold, 



Sensitive plant, experiments on, 8, 64 



Sepals, 81 



Sets of potatoes preferable to whole 

 tubers, 266 



Setting flowers, importance of, 469 



Sewerage manure, most valuable of any, 

 575' 



Sexes, the essential part of flowers, 81 , 



Shade, disadvantage of too much, 292, 296 



—— necessary for cuttings, 291, 296 



Shaink, cause of, 69 



Shanking of grapes, 140 



Shield-budding, 306 



square, 312 



without alburnum, 312 



Shifting plants in pots, 433 



successive, 441 



Shoots, unripe, their diminished capabi- 

 lity of resisting extreme cold, 

 113 



young, their susceptibility of 



frost, 113 



Size, in some cases a mark of unhealthinesa, 

 467 



Skin of plants, M. Garreau'a enquiiiea 

 into its functions, 59 



Smith, Rev. J., his experiments confir- 

 matory of the fact that roots 

 increase in bulk in the absence 

 of leaves, 76 



his mode of tillage without 



manure, 540 



Smyrna, curious practice at, in regard to 

 the orange, 359 



Snagging, or lopping, ill effects of, 403 



Soap-boilers' refuse as manure, 554 



Soda as manure, 555 



Soil, 526 



adaptation of stocks to, 354 



artificial, its composition, 530 



best for striking cuttings in, 287 



calcareous loam the best for general 



use, 530 



choice of, for a garden, 199 



clay, badforgardeningpurposes, 530 



■ different, requisite for different 



varieties, 354, 536 



effects of one too wet, 168 



effects of rapid evaporation from, 



172 



evil of one too wet for cuttings, 293 



for American plants, 632 



for fruit-tree borders, 531 



imitation of, an error, 535 



^— its exhaustion in pots, 433 



its superior heat at top taken advan- 

 tage of for the cure of canker, 

 148 



^— its temperature and moisture more 

 important than its mineralogioal 

 quality, 149 



— — mean temperature of, is always 

 above that of the air, 134 



moisture of, 159 



' must be warmed for the striking of 



cuttings, 290 



natural temperature of, 136 



necessity of its being changed, 434 



oolitic clay, successful mode of 



cultivating, 640 

 peat, instance of rendering, produc- 

 tive, 638 



relation which the temperature of, 



bears to that of the air, 130 



