INDEX AND GLOSSARY 



449 



Boneset, 445, Fig. 138; bracts, 171. 



Borage family, 412. 



Boreal plants, 229. 



Borraginacese, 412. 



Boston ivy, leaves, 100, Fig. 155; tendril, 



113. 



Bougainvillea, 110. 

 Bouncing Bet, 354; fruit, Fig. 282. 

 Box, leaf, Fig. 149. 

 Box-elder, 376; phyllotaxy, 47, 48, Fig. 



84. 



Bracts: much reduced leaves, (231). 

 Brake, 180, 267, 323, Figs. 139, 335, 456 

 Bramble, 389. 



Branched stem, 15, Fig. 21. 

 Brassica, 365, Fig. 518. 

 Briars, climbing, 112; prickles, 109. 

 Bridal wreath, 121, 392, Fig. 193. 

 Bristles, 109. 



Bryophyllum, leaf cuttings, 21. 

 Bryophyte, 183. 

 Buckeye, 377. 

 Buckwheat, 76, 251, 350, Fig. 513; family, 



349; flower, 130; fruit, 156; pollination, 



139. 

 Bud, Fig. 165; dormant, 54; propagation 



by, 21; resting, 36; -scales, 111; -scars, 



old, 54, Fig. 91; struggle for existence, 



52; winter, 21, 36, 61; and light, 50; 



-variations, 237. 

 Bulb: thickened part, made up of scales 



or plates, (80); phyllotaxy, 48; scales, 



111. 

 Bulbel: bulb arising from a mother bulb, 



(81). 



Bulblet: aerial bulb, 21, (81). 

 Burdock, 7, 67, 169, 242, 243, 441, Fig. 



306. 



Burning bush, 294. 

 Bur-marigold, 440, Fig. 558. 

 Burs, 169. 

 Bur-seed, 413. 



Burst of spring, 40, Fig. 72. 

 Bushes: low and thick shrubs, (15). 

 Butter-and-eggs, 137, 145, 405, Figs. 227, 



544. 

 Buttercup, 3, 208, 233, 357, achene, 156, 



Fig. 268; family, 355; flower, Figs. 



202, 203; pistil, 130, Fig. 207 

 Butterfly weed, 418. 

 Butternut buds, 37. 

 Button-bush, 427. 

 Button snakeroot, 444. 

 ButtonWood, 294. 

 Buttresses, bracing, 9, Fig. 10. 



Cabbage, 12, 16, 251; fruit, 160; head, 



37, 38, Fig. 59; water pores, 299. 

 Cacti, Fig. 371. 

 Caffein, 271. 

 Calamus, 328. 



CO 



Calcium, 76; oxalate, 271, 275. 



Calendula, 438. 



Calla, 328, Figs. 486, 487; inflorescence, 

 150; lily, 328, Fig. 486. 



Calliopsis, 440. 



Callistephus, 443. 



Callus, 62. 



Caltha, 358. 



Calypogon, 342. 



Calyptra, 197. 



Calyx: outer circle of floral envelopes, 

 (265); lobes, (266). 



Cambium: the growing or nascent tissue 

 lying between the xylem and phloem 

 of the fibro-vascular bundle (481), and 

 therefore on the outside of the woody 

 trunk, since the active fibro-vascular 

 bundles are in the young outer tissues 

 (72), 62. 



Campanula, 430; capsule, Fig. 283. 



Campanulacea3, 430. 



Campion, 354. 



Canada thistle, 19, 22, 242, 244, Fig. 

 409. 



Candytuft, 368, Fig. 192. 



Canker, 92. 



Canna, 18, Fig. 29. 



Cannabis, 348. 



Canterbury bell, 430. 



Caoutchouc, 271. 



Caprif oliaceae, .427. 



Capsella, 368. 



Capsicum, 410, Fig. 547. 



Capsule: compound pod, (316). 



Caraway, 399. 



Carbohydrate, 85. 



Carbon, 7& 82; dioxid, 77, 82. 



Cardamine, 367. 



Cardinal-flower, 431. 



Cardiospennum, 376. 



Carnation, 254, 255, 353; cutting, 25, 

 Figs. 34, 36. 



Carpel: a simple pistil; one of the units 

 of a compound pistil, (271). 



Carrot, 3, 33, 242, 243, 398, Fig. 410; 

 umbel, 121, 122, Fig. 194. 



Carum, 399. 



Caryophyllaceae, 353. 



Cassia, 385; flower, 146, Fig. 247 . 



Castalia, 361. 



Castanea, 343. 



Castilleja, 407. 



Castor bean, 4, 271, 273, 352; germina- 

 tion, 171, 175, 178, Figs. 313-316. 



Castor-oil, 273; inclusions, 275, 2.76; 

 plant, 352. 



Catalpa, pods, 160, Fig. 284; seeds, 168, 

 Fig. 301. 



Catchfly, 354. 



Catkin: scaly-bracted deciduous spike 

 with declinous flowers, (252). 



