INDEX AND GLOSSARY 



345 



Datura, 331, Fig. 248. 



Daucus Carota, 325, Fig. 180. 



Daughter cell, 238. 



Day-lily, 293. Fig. 253, 433; Fig. 432. 



Deciduous: falling (204). 



Decompound, 91. 



Decumbent, 15. 



Decurrent: running down the stem, (195), 

 Fig. 133. 



Dehiscence: opening of seed-pod or an- 

 ther, (264), (287). 



Deliquescent: trunk or leader lost in the 

 branches, (40). 



Dentaria pod, 147, Fig. 240. 



Dentate: sharp-toothed, (200). 



Dependent plants, 85. 



Dermatogen, 253. 



Desert vegetation, Fig. 344. 



Determinate: definite cessation of growth 

 at the apex, (243). 



Dew, 83. 



Dewberry, 21, Fig. 29, 158; fruit, 153. 



Dextrose, 245, (231). 



Diadelphous; in two groups, (277). 



Dianthus, 307, Fig. 456. 



Dicentra inflorescence, Fig. 172. 



Dichogamy: stamens and pistils matur- 

 ing at different times, (265). 



Diclinous: imperfect; having either sta- 

 mens or pistils, (257). 



Digestion: changing of starchy materials 

 into soluble and transportable forms, 

 (168). 



Digitalis purpurea, 332. 



Digitate, 91. 



Dioecious: staminate and pistillate flow- 

 ers on different plants, 133. 



Dispersal of seeds, 158. 



Divergence of character, 213. 



Divided, 92. 



Dock, 3; bitter, 305; curly, 305. 



Dockmackie, 334. 



Dodder, 85. 89, 112, 329, Fig. 487. 



Dog's-tooth violet, 292, Fig. 431. 



Dogwood bracts, 106 ; tree, Fig. 356. 



Doorweed, 306, Fig. 193. 



Dormant buds, 54. 



Double flowers, 144. 



Dragon-root, 290. 



Dragon's head inflorescence, Fig. 175. 



Drupe: fleshy 1-seeded indehiscent fruit; 

 stone fruit, (295). 



Drupelet: one drupe in a fruit made up 



of aggregate drupes, (296). 

 Dryopteris, 172, 286, Figs. 304, 305, 420. 

 Ducts, 233, 257. 

 Dusty miller, 308. 

 Dutchman's pipe, 112. 

 Dwarf plants, 204. 

 Earth parasites, 2. 



Ecology: habits and modes of life of ani- 

 mals and plants, (369). 

 Egg-cell, 180. 



Eggplant, 153, 330, Fig. 261. 

 Elater, 189. 



Elder, 119, 334; red, 334; pith, 233. 

 Elliptic, 94. 

 Elm, 15, 302, Figs. 448-450; flower, 125, 



136; fruit, 148, 159; germination, 171; 



leaf, Fig. 146; phyllotaxy, 46, 49; trunk 



of, 60; shoot, history, 58, Figs. 91-95. 

 Elodea, 78, 235, Fig. 387. 

 Embryo: the plantlet in the seed, (305). 

 Embryology, 102. 

 Embryo-sac, 175. 

 Emersed, 198. 

 Emetin, 246. 

 Endodermis, 253. 

 Endogenous stems, 259. 

 Endosperm: food in the seed outside the 



embryo, (306). 



Entire: margin not indented, (200). 

 Entomophilous : pollinated by insects, 

 Envelopes, floral, 122. (266). 



Environment : surroundings ; conditions 



in which organisms grow 203, (326). 

 Eosin for staining, 70. 

 Epicotyl: that part of the caulicle lying 



above the cotyledons, (312). 

 Epidermis, 254, 259, 260; of leaf, 270. 

 Epigeal : cotyledons rising into the air 



in germination, (311) . 

 Epigynous: borne on the ovary, (283). 

 Epiphyte, 88, 200. 

 Equisetum, 192, Fig. 342. 

 Erigeron, 340, Fig. 500, 

 Erythronium, 292,Fig. 431. 

 Esquimaux, 204. 



Essential organs : stamens and pistils, 

 Ether, 241. [(250). 



Eupatorium, 90, 340, Fig. 159. 

 Euphorbia pulcherrima, 247. 

 Eutropic ; in the direction of the sun's 



course, (231). 



