508 



INDEX 



Coconut, 211 



Codeine, 372 



Coffee, 146, 234, 235 



Coir, 355 



Cola, 240 



Colic root, 470 



Collenchyma, 250 



Colloid, 4 



Colorless plants, 44 



Columbine, 436, 437 



Composite, 70, 71, 458 



Composite Family, 105, 109, 158, 



162 

 Cone, 64, 65 



Conifer, 101, 108, 256, 257 

 Construction materials, 312 

 Cooperage, 323 

 Copal, 384 

 Copra, 395 

 Cork, 40, 329 

 Corn (see maize), 75, 103, 168, 396 



lily, 466 



pop, 176 



syrup, 397 

 Cornel, 306 

 Corolla, 69, 70 

 Cortex, 38, 39, 40-42 

 Cosmos, 489 



Cotton, 146, 149, 348, 349, 350 

 Cottonwood, 283, 324 

 Cotyledon, 75 

 Cranberry, 148, 187 

 Crates, 325 

 Creamcups, 439 

 Creeping pine, 98 

 Crinkleroot, 441 

 Crocus, 491 

 Cross ties, 314 

 Crown gall, 410, 411 

 Cruciferae, 440 

 Crucifers, black rot of, 41 1 



Cucumber, 146, 190, 191 



tree, 295, 296 

 Cucurbit wilt, 412 

 Currant, 145, 186 

 Currants, 185 

 Cuticle, 36 

 Cycad, 100, 101, 108 

 Cypress, 270, 271, 272, 274, 275, 



314-316, 333 

 Cypress Family, 101 

 Cytoplasm, 6, 7 



Daffodil, 491 



Dahlia, 149, 489 



Daisy, 460, 463 



Damars, 384 



Damping off disease, 340, 420 



Dandelion, 77 



Date, 79, 145, 208, 209 



Decay, 112 



Deciduous habit, 279 



Deliquescent, 257 



Delphinium, 146 



Desert candles, 469 



gold, 461 

 Desmid, 24, 25 

 Dewdrop, 446 

 Dextrin, 131, 133, 397 

 Diatoms, 122 

 Dicot, 75, 102, 103, 108, 435 



families, 104, 105 

 Digitalis, 375 

 Dill, 231 



Dimension stock, 328 

 Dioscoreaceae^ 158 

 Diphtheria, 408, 409 

 Diplococci, 4'09 

 Disc flower, 71 

 Disease, damping off, 340, 420 



Dutch elm, 340, 423 



forest tree, 339 



