554 



INDEX 



Begonia, Begoniaceae, 55, 57, 440, 447, 



Figs. 36, 38. 



Bellincinia (see " Madotheca ") 

 Bellincinioidese, 219. 

 Bennettiteae, 347, 535. 

 BerberidaceiB, 425, 433, 486. 

 Berberis, 179, 425, 427, 522 ; B. vulgaris, 



Fig. 413. 

 Berry, 3T>8, 381. 

 Betula, 400, 417, 537. 

 Betulaceae, 417. 

 Bignonia, Bignoniaceae, 387, 453, 458, 512, 



540, Fig. 387. 



Bilateral symmetry, 21, 22. 

 Bilbergia vexillaria, 394, Fig. 371. 

 Biology, 1, 9, 10. 

 Biophore, 37. 

 Birch (see "Betula"). 

 Birds, 513, 516, 524. 

 Bird's-nest-fungus (see "Cyathus"). 

 Bittersweet (see " Celastrus"). 

 Bixaceae, 446. 

 Blackberry, 30. 



Black-fungi (see " Pyrenomycetes ") . 

 Black -knot (Plowrightia morbosa), 172. 

 Black-mould (see "Mucor "). 

 Bladder-kelp (see "Nereocystis"). 

 Bladderweed (see also "Utricularia"), 



26, 362. 

 Blasia, 18, 79, 211, 213, 214, 215, 510; 



B. pusilla, Fig. 9. 

 Blattiaceae, 447. 

 Blechnum: B. spicant, 273. 

 Blepharoplast, 47, 48, 197, 204, 243, 250. 

 Bloodroot (see also " Sanguinaria"), 23, 



59, 505, 526, 540. 



Blue-green Algae (see " Schizophyceae"). 

 Blue-gum (see " Eucalyptus"). 

 Blue-mould (see " Penicillium"). 

 Bodo caudatus, Fig. 1. 

 Boletus, 181. 

 Bombacaceae, 446. 

 Borage (see " Borraginaceae "). 

 Borraginaceae, Borraginineae, 458, 485, 525. 

 Boschia (see " Funicularia"). 

 Botrychium, 241, 251, 256, 262, 263, 265, 



266, 267, 268, 270, 304, 327, 328, 476; 



B. Virginianum, Figs. 229-234. 

 Botrydiaceae, 116. 

 Botrydium: B. granulosum, 12, 112, 113, 



114,115, 194,498, Fig. 84. 

 Bougainvillea, 412, 518. 

 Bract, 26, 363, 377, 518. 

 Bradypus, 101. 

 Bramble, 542. 

 Branching, 20, 21, 119, 217, 316, 332, 336, 



375 ; Characeae, 119 ; Conifers, 332, 336 ; 



Liverworts, 217 ; Monocotyledons, 375. 



Brassica, 430; B.juncea, Fig. 417. 

 Brazil-nut (Bertholletia), 55. 

 Bread-fruit, 541. 

 Brodiaea, 24, 351, 375, 390, 391, 549; B. 



capitata, Figs. 315, 366; B. laxa, Fig. 



366. 

 Bromeliaceae, 377, 381, 392, 393, 468, 503, 



504. 



Bromine, 38. 

 Broom (Cytisus), 501. 

 Brown Algae (see also " Phaeophyceae"), 



7, 16, 17, 46, 49, 59, 65, 68, 85, 90, 92, 



123, 194, 472, 496. 

 Bruniaceae, 444. 

 Bryaceae, 228. 



Bryales, 231, 233, 234, 236, 239. 

 Bryonia, 390. 

 Bryophyllum, 21. 

 Bryophyta (see also "Mosses"), 200, 



241, 242, 243, 244, 245, 251, 253,263, 



267, 305, 531. 

 Bryopsidaceae , 116. 



Bryopsis: B.plumosa, 113, 115, Fig. 85. 

 Buckeye (see also "^sculus"), 437, 



503. 



Buckthorn (Rhamnus), 439. 

 Buckwheat (Fagopyrum), 422, 462. 

 Budding, 9, 63, 119, 241, 276,299; Char- 

 aceae, 119 ; Equisetum, 296 ; Prothallia, 



241 ; Yeast, 64. 



Buffalo-berry (see " Shepherdia"). 

 Buffalo-grass (see "Bulbilis"). 

 Bulb, 23, 24, 26, 35, 362, 375, 503. 

 Bulbil, 119. 



Bulbilis dactyloides, 546. 

 Bulbochaete,103; B . intermedia, Fig. 73. 

 Bulrush (Scirpus) , 369. 

 Bumelia, 451. 



Bundle-sheath (see " Endodermis "). 

 Bur-clover, 550. 

 Burdock, 457, 514. 

 Burmanniaceas, Burmannineae, 370, 396, 



397. 



Bur-marigold (Bidens) , 513. 

 Bur-reed (see " Sparganium ").. 

 Burseraceae, 445. 

 Butomus, 382. 

 Buttercup (see also " Ranunculus"). 22, 



542. 



Butternut (Juglans cinerea) , 416. 

 Buttress-roots, 29. 

 Butyric acid, 480, 481. 

 Buxaceae, Buxineae, 445. 

 Buxbaumia, 228. 



Cactaceae, 440, 447. 



Cacti, 6, 24, 370, 424, 427, 440, 471, 474, 

 502, 546, 549, PI. EX. 



