452 



INDEX AND GLOSSARY 



Decompound, 96. 



Decumbent stems, 14. 



Decurrent: running down the stem, (207), 

 Fig. 147. 



Dehiscence: opening of seed-pod or an- 

 ther, (279), (312), 159. 



Deliquescent: trunk or leader lost in the 

 branches, (40), Fig. 17. 



Delphinium, 359. 



Dentaria, 366; pod, 155, Fig. 266. 



Dentate: sharp-toothed, (212). 



Dependent plants, 90. 



Dermatogen, 279. 



Desert vegetation, Fig. 371. 



Determinate : definite cessation of growth 

 at the apex, (256), Fig. 195. 



Deutzia, 61, 394. 



Devil's paint-brush, 436. 



Dewberry, 20, 390, Figs. 30, 170; fruit, 

 161. 



Dextrin, 271. 



Diadelphous: in two groups, (297). 



Dianthus, 353, Fig. 515. 



Dicentra, 364. 



Dichogamy: stamens and pistils matur- 

 ing at different times, (280). 



Diclinous: imperfect; having either sta- 

 mens or pistils, (274). 



Dicotyledons, 342. 



Diervilla, 429. 



Digestion: changing of starchy materials 

 into soluble and transportable forms, 

 (183). 



Digitalis, 407. 



Digitate, 96, Figs. 140, 142, 144. 



Dioecious: staminate and pistillate flow- 

 ers on different plants, (284). 



Dispersal of seeds, 166. 



Dissecting apparatus, 132, Figs. 215-217. 



Divergence of character, 221. 



Divided, 96. 



Dock, 3, 242, 243, 244, 350. 



Dockmackie, 429. 



Dodder, 91, 94, 116, 412, Fig. 553. 



Dodecatheon, 422. 



Dogbane, 419; family, 418. 



Dog's-tooth violet, 330, Fig. 490. 



Dogwood, bracts, 110; osier, Fig. 5; tree, 

 Fig. 383. 



Dormant buds, 54, Fig. 91. 



Double flowers, 153. 



Dragon-root, 327. 



Dragon's head, false, inflorescence, Fig. 

 185. 



Drupe: fleshy on,e-seeded indehiscent 

 fruit; stone fruit, (320). 



Drupelet: one drupe in a fruit made up 

 of aggregate drupes, (321). 



Dryopteris, 179, 324, Figs. 331, 332. 



Ducts, 263. 



Dusty miller, 354. 



Dutch case-knife bean, 178. 

 Dutchman's breeches, 364. 

 Dutchman's pipe, 116, 349; family, 348. 

 Dwarf plants, 212. 



Earth parasites, 2. 

 Echinospermum, 382. 

 Echium, 415. 



Ecology: habits and modes of life of ani- 

 mals and plants, (397). 

 Egg-cell, 133, 187. 

 Eggplant, 160, 410, Fig. 288. 

 Eglantine, 390. 

 Elaboration, food, 82. 

 Elater, 196. 

 Elder, 4, 125, 282, 429; box, 47, Fig. 84; 



pith, 263; poison, Fig. 422. 

 Elecampane, 442. 

 Elliptic, 98, Fig. 151. 

 Elm, 14, 64, 218, 222, 287, 346, Figs. 



507-509; flower, 130, 143; foliage, 65; 



fruit, 156; germination, 178; phyllo- 



taxy, 47, 48, Fig. 84; seed, 168; shoot, 



history, 57, 58, Figs. 96-100; trunk of, 



65. 



Elodea, 85, 265, 266, Fig. 439. 

 Embryo: the plantlet in the seed, (332). 

 Embryology, 106. 

 Emersed, 207. 

 Emetin, 271. 



Enchanter's nightshade, 397. 

 Endodermis, 279. 

 Endogenous stems, 285. 

 Endosperm: food in the seed outside the 



embryo, (333). 



Entire: margin not indented, (212). 

 Environment: surroundings; conditions 



in which organisms grow, (354), 212. 

 Enzymes, 87, 277. 

 Eosin for staining, 73. 

 Epicotyl: that part of the caulicle lying 



above the cotyledons, (340). 

 Epidermal tissue, 279, 283. 

 Epidermis of leaf, 297. 

 Epigsea, 425. 

 Epigeal: cotyledons rising into the air 



in germination, (339). 

 Epigynous: borne on the ovary, (307). 

 Epilobium, 397. 

 Epipactis, 341. 

 Epiphyte, 11, 93. 

 Equisetacese, 199. Equisetum, 199, 202, 



Fig. 369. 

 Erect stems, 14. 

 Ericacea?, 423. 

 Erigenia, 399. 

 Erigeron, 442, Fig. 560. 

 Erythronium, 330, Fig. 490. 

 Eschscholtzia, 362. 

 Essential organs: stamens and pistils, 



(269). 



