Index 
Climbing-plants, 233 
Clock (flower), 228, 229 
Clock (De Candolle’s), 230 
Clock of Linnzus, 230 
‘*Closed”’ bundles, 130 
Closing of night-flowers, 229 
Clover, white, 339, 340. <- 
Club-moss, 251 
Club-mosses, 296 
Club-mosses, prothalli of, 252 
Coast-evergreens, 272 
Coast-grasses, 153 
Cockle-bur, 350, 352 
Cock’s comb, 354 
Columbines, 35 
Composite, 39, 351, 352, 353 
Composite family, 338 
Composite flowers, 45 
Compound leaves, 126 
Common milk-weed, 309 
Concentric rings in timber, 132 
Conducting tissue, 26 
Cone.-bearers, 157, 270, 280 
Cone-bearers, girdled, 283 
Cone-bearers, winged seeds of, 
298 
Cone-bearers, wood of, 281, 282, 
283 
Cones, 299 
Cone-scales, 299 
Coniferz, 285, 286 
Coniferz, pollen, 286, 287 
Conway (Moncure D.), quoted, 
332 
Coontie, spermatozoids of, 295, 
296 
Copper-hazel, 97 
Copper-leaved beech, 97 
Cork, 92, 105, 366, 386 
Cork cells, 367, 387 
Cork undergarments of trees, 
387, 388, 389 
Corn (Indian), 
175 
Corn-cockle, 225 
Corn-stalk, 126, 127, 130, 131 
Corolla, 19, 23 
Corylus Americana, 380, 382 
Cotyledon, 121 
Cotyledons, 119, 120 
Crepiscular moths, 200 
103, 118, I51, 
403 
Crocus, 19, 20, 22, 24, 25, 27, 29, 
35 
Crow-foot (water), 112 
Crude sap, 129, 395 
Cryptogams, 248 
Cycad, spermatozoids of, 296 
Cyperus textilus, 197 
Cyprus (bald), 270, 274, 298 
Daffodils, 355 
Dandelions, 43, 45, 376 
Dandelions in October, 377 
Dandelion leaves, 320 - 
Darwin quoted, 237, 238, 286, 
300 
Darwin’s classification of climb- 
ing plants, 233 
Datura stramonium, 214 
Datura tartula, 217 
Day-lily, 204, 227, 229 
Dead-nettle, 376 
De Candolle’s flower-clock, 230 
Deepest-throated flowers, 207 
Defences against browsing ani- 
mals, 319, 320 
Degenerate flowers, 86, 359 
Degeneration, 144 
Degeneration of grass-blossoms, 
156 
Delphino quoted, 32, 33 
Dent-de-lion, 37 
Development of sporangia in 
true ferns, 265 
Development of sporangia in 
adders’ tongues, 266 
Devices to ensure cross-fertili- 
zation, 34 
Dicotyledon, 117, 121 
Dicotyledons, 119 
foliage of, 123 
stems of, 132, 133, 134, 135 
Differences between diurnal and 
nocturnal flowers, 225 
Digested sap, 129 
Dicecious flower, 75 
Diurnal primroses, 227 
Distinction between prickles and 
thorns, 325, 326 
Dock, 352 
Dog-bane spreading, 303 
Door-yard weeds, 350, 353 
