458 



INDEX 



of shutters, 64; relative of all- 

 wood and iron frames, 86. 



Crocus, botanical classification, 

 characters, indoor and outdoor 

 culture of, 415, 416. 



Cross-ties, 81. 



Crotons, 389, 390. 



Cultivation, in, preparing soils for 

 greenhouses, 191, 192; to aerate 

 soil, 126 ; to check weeds, 126. 



Curtain walls, 75. 



Curvilinear roofs, advantages and 

 disadvantages of, 57. 



Cut-flower crops, 226, 266; crops 

 grown for, 226 ; importance of 

 the industry in, 226 ; labeling 

 for shipping, 453 ; notes on pack- 

 ing, 448 ; shipments of bunches 

 of, 452 ; shipments of roses as, 

 449. 



Cuttings, amount of time required 

 for rooting, 168 ; atmosphere con- 

 ditions required for rooting, 164 ; 

 character of material for, 162 ; con- 

 ditions essential for successfully 

 rooting, 162, 259 ; controlling light 

 in propagating houses, for, 166, 

 167 ; equipment for making, 167 ; 

 "grassy," 161; hardwood, 160; 

 method of making, 167 ; plants 

 which may be propagated, by soft- 

 wood, 160 ; position on the 

 plants of, 161; softwood, 160; 

 soil medium for, 167, 178 ; soil 

 moisture necessary for rooting, 

 164 ; soil temperature required 

 for rooting, 162 ; stem, 160 ; tex- 

 ture of material fof, 161. 



Cutworms, 215, 217. 



Cyanide of potassium, 128, 223. 



Cyatheas, botanical classification, 

 characters, habitat, propagation 

 and culture of, 362, 363. 



Cyclamen, botanical classification 

 and charactersof , 311; commercial 

 importance of, 313 ; fumigating, 

 314 ; habitat of, 313 ; potting, 

 313 ; pricking off seedlings of, 

 313 ; propagation of, 313 ; sum- 



mer treatment of, 314 ; tempera- 

 ture requirements of, 314. 



Cypripediums, classification, char- 

 acters, habitat and culture of, 

 282, 283, 284. 



Cyrtomium, botanical classifica- 

 tion, characters, habitat and cul- 

 ture of, 372. 



Dahlias, botanical classification, 

 including types and varieties, of, 

 428, 429, 430; commercial im- 

 portance of, 431 ; habitat of, 430 ; 

 history of, 430 ; propagation and 

 culture of, 431, 432. 



Dairying as a factor in flower 

 production, 41. 



"Damping off" fungus, asexual 

 and sexual reproduction, ecology, 

 preventives and remedies for, 

 200, 201, 202; classification of, 

 200; in the cutting bench, 178; 

 microscopical nature of, 200, 201. 



Davallia, botanical classification, 

 habitat, propagation and culture 

 of, 375. 



Delivery, retail, 23. 



Dendrobiums, classification, char- 

 acters, habitat and culture of, 

 284, 285. 



Dennstsedtia, 303. 



Dicksonias, botanical classification, 

 characters, habitat and culture 

 of, 363, 364. 



Diffusion of liquids, 136. 



Diseases, of flowering plants, 128, 

 194 ; definition of, 194. 



Distribution of greenhouses, 6, 7, 

 8, 9. 



Dracaenas, botanical classification 

 of, 381. 



Easter lilies, method of packing and 

 shipping, 453 ; general character 

 of, 335, 337, 338. 



Eave plates, 57, 76. 



Endophytes, 196. 



Environment, in its relation to 

 vigor and healthfulness, 132. 



