CONTEXTS 



Xlll 



PARAGBAPUS 



Pests exterminated by tobacco fumes : list of insects 

 exterminated, effects of fumigation, tobacco products 

 most used. (Page 220) 255-256 



Pests exterminated by poison fumes : effect of gases 

 on insect and plant life, use of hydrocyanic acid gas as 

 a fumigant, purity of the cyanide and sulfuric acid, pro- 

 portion of the cyanide and sulfuric acid, proportion of 

 the ingredients, excess of acid, action of water, right 

 order of mixing. (Pages 220-225) .... 258-266 



Pests exterminated by contact poisons. (Page 225) . 267 



CHAPTER XIII 



CCT-FLOWER CROPS : CARNATIONS, ROSES AND CHRYSAN- 

 THEMUMS. (Pages 226-265.) 



Carnations : botanical classification, present-day vari- 

 eties and their origin, propagation by seeds, propagation 

 by cuttings, care of rooted cuttings, field culture, house 

 culture in summer, preparation of the house for plant- 

 ing, filling the benches, lifting the plants in the field, 

 planting the houses, cultivation, supports, temperature 

 and moisture conditions in houses, feeding, disbudding. 

 (Pages 226-236) 268-283 



Hoses : greenhouse culture ; botanical classification, 

 present-day varieties forced under glass, and their ori- 

 gin, propagation by seeds, propagation by cuttings, 

 propagation by grafting, potting the cuttings, prepara- 

 tion of soil for house culture, season of year for planting 

 houses, solid benches or raised beds, bench construction, 

 filling the beds, planting the houses, subsequent care. 

 (Pages 236-243) 284-295 



Hoses : outdoor culture ; varieties, location for rose 

 bed, soil, size of beds, selection of the stock, planting, 

 cultivation, syringing, cutting the flowers and fruit, dis- 

 budding, shading, feeding, winter protection, pruning. 

 (Pages 243-249) 296-310 



Forcing hardy roses : securing the stock, preparation 

 of ramblers for forcing, temperature and light require- 



