INDEX 



465 



classification, microscopical na- 

 ture, ecology and preventives of, 

 206. 



Safety-valve control, 110. 



Sand, value of in greenhouse work, 

 177 ; in cutting bench soils, 

 167. 



Saprophytes, 274. 



Scale insects, 216, 220. 



Schizanthus, botanical classifica- 

 tion, characters, habitat and cul- 

 ture of, 324. 



Schizomycetes, 199, 200. 



Scillas, botanical classification, 

 characters, habitat and culture 

 of, 417. 



Screw pines, 381. 



Sectional houses, 66. 



Seeds, depth for planting, 158 ; dor- 

 mant period in, 154 ; methods 

 for sowing, 155; moisture re- 

 quirements for germination of, 

 155,156; plants which reproduce 

 only by, 152 ; propagation of or- 

 chids by, 276 ; season of year for 

 sowing, 153, 154 ; soil for sowing, 

 158 ; sowing mignonette, 297 ; 

 sowing sweet pea, 292, 293 ; tem- 

 perature requirements for germi- 

 nation of, 155, 159 ; testing of, 

 156, 157 ; value of reproduction 

 by, 152 ; vigor of seedlings and 

 size of, 158. 



Semi-iron houses, 66, 68. 



Shading, effect of too much, 121 ; 

 material for, 121 ; necessity for 

 palm house, 121 ; variation in, 

 for different species of plants, 120. 



Shipments, long distance, 440. 



Shipping rooms, location and equip- 

 ment of, 441. 



Shutters, board, 64 ; slat, 64. 



Side wall construction, concrete, 74 ; 

 height of, 76 ; pipe posts em- 

 bedded in cement for, 75 ; 

 wooden posts embedded in ce- 

 ment for, 74. 



Simple glass structures, 57. 

 2n 



Size of greenhouses, 48 ; compara- 

 tive cost of constructing and 

 heating large and small houses, 

 48; light and atmospheric con- 

 ditions in large houses, 48. 



Slime fungi, 200. 



Smilax, 383. 



Snow, on greenhouse roofs, 56. 



Snowdrops, 418. 



Sod soil, a necessity in flower grow- 

 ing, 40 ; preparation of, 189, 190, 

 192; value of, 181. 



Soils, antirrhinum, 303 ; availabil- 

 ity of fertilizing elements in, 186 ; 

 bacteria in, 184, 185 ; chemical 

 compounds in, 182 ; chrysanthe- 

 mum, 259 ; classification of, 177 ; 

 effect of organic matter in, 180; 

 forest, 180; length of time neces- 

 sary to prepare, 188 ; methods of 

 preparing, 189, 190, 192 ; mignon- 

 ette, 297 ; necessity for mois- 

 ture in, 166 ; preparation of, 179, 

 188; rose, 180; sweet pea, 

 180; temperature in cutting 

 bench of, 162 ; value of different 

 classes of, 177; violet, 178; 

 waste material used as, 192. 



Solanums, botanical classification, 

 characters, habitat, commercial 

 value, propagation and culture 

 of, 357, 358. 



Sparaxis, botanical classification, 

 characters, habitat and culture 

 of, 418. 



Specialization, 10, 11. 



Stag-horn ferns, botanical classi- 

 fication, characters, habitat and 

 culture of, 364, 365, 366. 



Stalls in cooperative flower markets, 

 34. 



Statistics, American, from census 

 of 1910, 5 ; Canadian, 10. 



Steel frames, in construction, 47. 



Stem-rot, classification, microscopi- 

 cal nature, reproduction, ecology, 

 preventives and remedies of 

 carnation, 207, 208; classifica- 

 tion, microscopical nature, re- 



