494 



/ ND E X. 



Begonia coriacea, 452. 

 Begoniaceae, 470 ; cauline 



bundles, 308 ; stem, 466. 

 Benthamia fragifera, 427. 

 Berberideae, 468 ; floral for- 

 mula, 459. 

 Berberis, flora! formula, 459 ; 



inflorescence, 407. 

 Berberis vulgaris, 128, 129. 



(Figs. 85, 86.) 

 Berry, 429. 

 Bertholletia excelsa, embryo, 



447- 

 Betuleae, 467. 

 Bicollateral vascular bundles, 



467. 

 Bicornes, 471. 

 Bignonia, stem, 466 ; seeds, 



430. 

 Bignoniaceae, 471. 

 Biota, 339. 



Biota orientalis, cone, 329. 

 Biscutella hispida, Fig. 313. 

 Bisexual, 303. 

 Bixineae, 469. 

 Bladder-plum, See Exoas- 



cus Pruni. 

 Blasia, gemmae, 148; midrib, 



145; sexual shoots, 154; 



thallus, 145, 158. 

 Blechnum, 227. 

 Biechnum hastatum, lateral 



buds, 212. 

 Boletus, hymenium, 132. 

 Boletus flavidus, Fig. 87. 

 Boragineae, 47 1 ; dorsiven- 



tral organs, 451 ; fruit, 



427 ; inflorescence, 406, 



409,411; pollen-tube, 367; 



spurious dissepiments,3 7 5 ; 



style, 379. 

 Boschia, archegonia,i58,i59; 



elaters, 151 ; scales, 158 ; 



thallus. 158. 

 Bostryx, 409. (Fig. 337.) 

 Botrychium lanuginosum, 



251. 

 Botrychium Lunaria, apical 



cell, 247 ; habit and mode 



of life, 247 ; histology, 



250; prothallium, 246; 



roots, 246, 247; stem, 246 ; 



sporangiferousbranch, 2 4 7 ; 



sporangia, 249; spores, 249. 



(Figs. 201, 202, 203.) 

 Botrychium rutaefolium,2 5o, 

 Botrydium, 28, 29, 31, 34; 



asexual multiplication, 29. 

 Botrydium granuiatum, 29. 



(Fig. 12.) 

 Botrytis, 81. 



Botrytis cinerea, 103, 112. 

 Bowenia, 314. 

 Bracteoles, 304. 



Branches with naked base 

 in Characeae, 56. 



Brassica, inflorescence, 411 ; 

 growth in thickness, 462. 



Brassica Napus, Fig. 314. 



Brefeld on Peniciliium, Pe- 

 ziza Sclerotiorum, etc., 

 107 note. 



Brittleworts. See Diatom- 

 aceae. 



Bromeliaceae, vascular bun- 

 dles, 443, 444. 



Brood-cells, 5, 10, 32. 



Brown Seaweeds. See Phae- 

 ophyceae. 



Bruckmannia, 273. 



Bryineae,i85; archesporium, 

 179; embryo, 178; peri- 

 stome, 185, etc. ; sporogo- 

 nium, 184, 185. 



Bryonia, inflorescence, 411. 



Bryonia alba, 451. 



Bryophyllum calycinum, ad- 

 ventitious shoots, 452. 



Bryopogon, 125. 



Bryopsis, 32 ; structure, 30 ; 

 swarm- spores, 32. 



Bryum, gemmae, 174 ; sporo- 

 gonium, 180; stem, 167; 

 vegetativepropagation, 1 7 1 , 



Bryum argenteum. Fig. 117. 



Bryum roseum. Fig. 120. 



Bulbils (Characeae). See 

 Amylum-stars. 



Bulbocapnos, embryo, 447. 



Bulbochaete, 44, 45, 46, 



Bunt, 86. 



Bunt-fungi. SeeUstilagineae. 



Burmanniaceae,embryo,43r. 



Burseraceae, 469. 



Butomus, floral diagram, 4 1 5, 

 418,438 and Figs.370,439 ; 

 ovules, 305,440; style, 379. 



Butomus umbeilatus, floral 

 formula, 419. (Fig. 299.) 



Biittnerieae, 469. 



Butyric acid, 24. 



Buxbaumia, antheridia, 175. 



Buxbaumia aphylla, proto- 

 nema from leaves, 173. 



Buxbaumieae, length of stem, 

 170. 



Buxeae, 470. 



Cabomba, ovules, position, 

 384. 



Cabombeae, 469. 



Cactaceae, 470 ; pollen-tube, 

 391 ; roots, 451. 



Caesalpinieae, seed, 445, 



Calamites, 193, 195 ; height, 

 269 ; nature and struc- 

 ture, 272; views of Profes- 

 sor Williamson, 272 note. 



Calamites gigas, 272 note. 

 Calamodendron, 272 note. 

 Calamus, vascular bundles, 



442. 

 Calanthe veratrifolia, floral 



diagram, 415. (Fig. 311.) 

 Calendula, 86. 

 Calendula officinalis, 86. 

 Callitrichaceae, 470. 

 Callitris, 339 ; archegonia, 



3 34;fruit, 329, 330; phyl- 



lotaxis, 322 ; resin-glands, 



345- 

 Callitris quadrivalvis, 331, 



332. (Figs. 258, 259.) 

 Calluna, 428. 

 Calothamnus, stamens, 356. 



(Fig. 277.) 

 Calycanthaceae,468; flowers, 



412, 454 ; stem, 465, 466. 

 Calycereae, 472. 

 Calyciflorae, 470. 

 Calycine, 418. 

 Calyculus, 352. 

 Calympcres, protonema, 173. 

 Calypogeia, archegonia, 154 ; 



branching, 156. 

 CalypogeiaTrichomanis, Fig. 



103. 

 Calyptra, 142, 151, 177. 

 Calvx, 350. 

 Cambium, 308, 462. 

 Cambium-ring, 309, 462. 

 Campanula, endosperm, 461; 



inflorescence, 407. (Fig. 



383.) 

 Campanulaceae, 472 ; em- 

 bryo-sac, 393 ; floral dia- 

 gram, Fig. 383 ; protandry, 



405. 

 Campanulineae, 472. 

 Campylotropous (ovule), 382. 

 Canal-cells of archegonium, 



141, 150, 176, 190. 

 Candollea, floral diagram. 



Fig. 402. 

 Canna, intine, 367 ; perianth, 



440; pollen-tube, 391; sta- 



minodes, 440. 

 Cannabineae, 468 ; diclinism, 



347 ; floral diagram, 459, 

 Canneae, 445 ; embryo-sac, 



441; floral diagram. Fig. 



369 ; staminodes, 440. 

 Cap-cells in nucellus of An- 



giosperms, 386. 

 Cap-fungi. See Hymenomy- 



cetes. 

 Capillitium, 15, 16. 

 Capitulum,407; inChara, 58, 

 Capparideae, 469. (Fig. 346.) 

 Caprifoliaceae, 472 ; floral 



diagram. Fig. 381. 

 Capsella, floral diagram, 416. 



