416 



INDEX AND GLOSSARY 



Araceae, 294. 



Arbor-vitae, 294, Fig. 426. 

 Arbutus, trailing, 393. 

 Archegoniophore, 187. Archegonium, 



174. 

 Arctium Lappa, 410, Fig. 280. 

 Arisffima, 295, Fig. 226. 

 Aristolochiaceae, 316. 

 Arrow-root, starch, 249. 

 Arrowwood, 397. 

 Artichoke, Jerusalem, 408. 

 Arums, 141. 

 Asarum, 316. 

 Ascending, 15. 

 Asclepiadaceae, 386. 

 Ash, 389, 390; branching, 54; fruit, 148, 



159; leaf. Fig. 127; mountain, 360; 



phyllotaxy, 49. 

 Ash in plants, 72. 

 Asparagus, 3, 103, 259, 301, Fig.'^. 147- 



150, 434. 

 Aspen (poplar), expression, 61. 

 Aspidium, 172, Figs. 304, 305. 

 Asplenium Filix-fcemina, 291. 

 Assimilation: making of protoplasm, 



(170, 171). 

 Aster, 411; China, 412; flowers, 142, Fig. 



227; society, 225; (in cell), 239. 

 Atropin, 246. 



Attachment of flowers, 144. 

 Autumn leaves, 225, 271. 

 Avens, 355. 

 Axil: upper angle which a petiole or 



peduncle makes with the stem which 



bears it, (86). 

 Azalea, 393; anther, 129, Fig. 204. 

 Bachelor's button, 143, 410, Figs. 231, 



500. 

 Bacterium (pi. bacteria), 87, Fig. 123. 

 Ballast plants, 163. 

 Balloon-vine, 344. 

 Balsam, 158, 241,343. 

 Baneberry, 327. 

 Banyan, 12, 21, Figs. 15, 16. 

 Baptisia, 351. 

 Barbarea vulgaris, 334. 

 Barberry, 328; anther, 129, Fig. 205; 



inflorescence. Fig. 173; riist, 184; 



spines, 105, Fig. 156. 

 Bark, 265; form of, 60. 

 Basal: at the base or bottom, (292). 

 Basidium, 184. 

 Bass wood, 37, 49, 264. 

 Bast, 254, 255. 

 Bean, common, 3, 204, 352, Figs. 471, 



472; flowers, 138; germination, 164, 



167, 171, Figs. 282, 283, 285, 286; 



legume, 151; Lima, pod. Fig. 247; 



sleep of, 50; twiner, 111. 112. 



Beard-tongue, 375. 



Bedstraw, 395. 



Bee palm, 369. 



Beech, 310; drop, 85; fruit, 147; leaf. 

 Fig. 138; monoecious, 133. 



Beet, 7; starch in, 31; sugar, 246. 



Begonia, hairs, 234; leaf, Fig. 130; cut- 

 tings, 22; root-pressure, 73; stomates, 

 273. 



Beggar's Ticks, 408, Fig. 499. 



Bell-flower, 399. 



Bellwort, 300. 



Berberidaeeae, 328. 



Berry: pulpy indehiseent few- or many- 

 seeded fruit, (294). 



Betula, 312. 



Bi-compound, 91. 



Bidens, 408, Fig. 499. 



Biennial: of two seasons' duration, (10). 



Bilberry, 392. 



Bindweed, 380. 



Birch, 312, 313, Fig. 6. 



Birth, variation after, 229. 



Birthroot, 300, Fig. 221. 



Bitter-cress, 335. 



Bittersweet, 378; climbing, 108; twiner, 

 111. 



Blacl >erry, 20, 358; cuttings, 24; fruit 

 153; and birds, 161. 



Black haw, 397, Fig. 279. 



Blade: expanded part of leaf or petal. 



Bladder-nut, 346. 

 (194). 



Bleeding heart, 3, 332. 



Bloodroot, 3:30. 



Blueberry, 392, 393. 



Blue flag, 297, Fig. 437. 



Bluets, 395. 



Bog plants, 199, 219. 



Boneset, 413, Fig. 159; bracts, 106, Fig. 

 159. 



Boreal plants, 220. 



Borraginacese, 380. 



Boston ivy leaves, 95, Fig. 142; tendril 

 109. 



Bougainvillea, 106, Fig, 161. 



Bouncing Bet, 321, fruit. Fig. 250. 



Box, leaf of. Fig. 137. 



Box-elder, 345; phyllotaxy, 46, 49. 



Brace roots, 9, 12. 



Bracts: much reduced leaves, (219). 



Brake, 173, 237, 290, 291, Figs. 125, 308. 

 310. 



Bramble, 358. 



Brassica, 333. 



Briars, climbing, 108; prickles, 105.' 



Bridal wreath, 361, Fig. 179. 



Bristles, 105; nature of, 254. 



Brown-eyed Susan, 407, Fig. 498. 



