464 



INDEX 



Pteris, botanical classification, char- 

 acters, habitat and culture of, 369, 

 370. 



Pumps, centrifugal, 112. 



Purlins, angle-iron, 66 ; distance 

 between, 78 ; pipe, 68. 



Putty, painting the, 80; quality 

 and method of application of, 

 79 ; removal of surplus, 80. 



Quantity vs. quality, 13. 



Radiating surface, comparison of 

 amount required for heating 

 with steam and with hot water, 

 106, 107 ; comparative amounts 

 required for large and small 

 houses, 105 ; construction details 

 which influence the amount of, 

 105 ; determination of amount 

 required of, 101, 102; difficulties 

 in determining, 102, 106 ; factors 

 for determining amount required 

 of 102, 103 ; formula for deter- 

 mining, 103. 



Red-spiders, 120 ; classification of, 

 215; effect of sulfur fumes on, 

 220; effect of water sprays and 

 salt solutions on, 218 ; fumiga- 

 tion with hydrocyanic acid gas, 

 219. 



Repainting, 128. 



Repairs, 128. 



Repotting, value of, 143. 



Reproduction, asexual, 201 ; cut- 

 ting, 160, 229, 237, 238; fungi, 

 195 ; effect on parent of, 151 ; 

 grafting, 170 ; other forms of, 

 176 ; plants which require seed, 

 152; seed, 151, 229, 237; value 

 to flower grower of seed, 152. 



Ridge-and-furrow houses, advan- 

 tages and disadvantages of, 55, 

 56. 



Roof, angle of, 78 ; construction of, 

 76 ; frame for, 78 ; laying glass 

 for, 78, 79, 80; painting the, 

 80 ; supports for, 81 ; trussed, 

 82. 



Roof supports, importance of 

 strong, 56; materials used for, 

 47. 



Roses, advantages of grafting, 170; 

 American Beauty, 14 ; anthrac- 

 nose on, 210; bench construc- 

 tion for, 239; "black spot" on, 

 208 ; botanical classification of, 

 236 ; cultivation of soil for, 242 ; 

 cutting the flowers and fruit on 

 outdoor, 247; depth for, 246; 

 disbudding, 242, 247; feeding, 

 outdoor roses, 248 ; filling beds 

 for, 240; forcing hardy, 250; 

 grading and packing, 442 ; 

 growths from stocks on, 247; 

 location of outdoor beds of, 244 ; 

 manetti stock of, 171 ; manipu- 

 lation of grafting case for, 175; 

 method of grafting, 171, 174; 

 method of packing and shipping, 

 449 ; outdoor planting of, 245 ; 

 planting houses with, 240 ; prep- 

 aration of soil for house culture 

 of, 189, 190, 192; preparation 

 for forcing rambler, 250 ; propa- 

 gation by cuttings, 237 ; propa- 

 gation by seeds, 237 ; pruning out- 

 door, 249 ; rust on, 206 ; secur- 

 ing stock for forcing, 250 ; season 

 of year for planting houses of, 

 239 ; shading outdoor, 247 ; size 

 of beds for, 245; soil for, 180; 

 solid beds vs. raised benches for, 

 239 ; summer cultivation of out- 

 door, 246 ; supporting, 242, 243 ; 

 to obtain a succession of bloom of, 

 242 ; treatment of manetti stock 

 after importation, 171 ; types 

 most generally forced of hardy, 

 250; use of unsold plants of, 

 251 ; varieties of indoor, 236, 237 ; 

 varieties of outdoor, 243, 244 ; 

 watering and syringing, 247. 



Rubber plants, 387, 388. 



Rust, on carnations : classification, 

 microscopical nature, reproduc- 

 tion, ecology, preventives and 

 remedies of, 205, 206 ; on rose : 



