240 



INDEX 



Aristate, 237 xliv. 

 Arrangement of 



branches, 26 



floral leaves, 67 



flowers, SI-SS 



lateral roots, 6 



leaves, 11 

 Artichoke, 168 

 Articulate, 237 XLiv. 

 Artificial soils, 191 

 Arum, 21, 56, 178-181 (figs. 226- 



230) 

 Arum family. See AracejE 

 Ascending ovule, 236 XL. 

 Ascending-imbricate, 73 

 Ascent of sap, 206 



— of water, 206, 214 

 Asepalous, 233 xxiil. 

 Ash, 190 

 Asparagus, 170 

 Assimilation, 201 



— of carbon, 196-201 

 Asjmimetrical, 71 

 Atropa, 152 

 Atrophy, 69 



Auricle, auriculate, 231 XII. 

 Autogamy, 236 XLI. 

 Autumn tints, 195 

 Axil of leaf, 10 

 Axile placentation, 65 

 Axillary stipule, 230 X. 

 Axis, S 



Bacteria, 206 



Balsam, 91, 95 



Barberry, 37, 62 



Barley, 184 



Barren flower, 233 xxiii. 



Basal placentation, 65 



Basifixed, 23S xxxv. 



Basilar s^le, 236 xxxvil. 



Bean. See Vicia 



Bean family. See Papilionaceje 



Beech. See Fagus 



Bee-flower, 81, 82, 130, 138, 158, 



174 

 Beet, 197, 200-202 

 Beetles, 81, 160 

 Belladonna, 152 

 Bellis, 40, 164-167, 213, 227 

 Berry, 93 



Betula, 113 



Bicarpellary, 235 xxxvi. 

 Biennial, 40 

 Bigynous, 236 xxxvi. 

 Bilabiate, 234 xxx. 

 Bilocular anther, 235 xxxv. 



— ovary, 236 xxxix. 

 Bindweed. See Convolvulus 

 Biparous, 233 XXII. 

 Bipinnate, 232 XV. 



Birch. See Betula 



Birds, 141, 142 



Bird's Nest Orchid, 202 



Bisexual 233 XXIII. 



Blackberry. See Rubus 



Black Mustard, 127 



Bladdery, 234 xxviii. (fig. 272) 



Blade of leaf, 16, 17, 231, 232 



— of petal, 58 

 Bleeding, 213 

 Bloom, 233 XIX. 

 Bluebell, 170 

 Boraginaceae, 153 

 Box, 41 



Bract, 21, 55, 233 XXI. 

 Bracteole, 233 XXI. 

 Bramble. See Rubus. 

 Branching, of floral leaves, 69 



— of root, 4-6 



— of stem 24-26 

 Brassica, 126, 127 

 Broad-bean, 139 

 Broccoli, 126, 127 

 Broom, 139 

 Broom-rape, 202 

 Brussels-sprouts, 126, 127 

 Bryonia, 38 (fig. 57) 



Bud, 18, 22, 23, 26 (figs. 6-11, 



29-38) 

 Bulb, 32 (fig. 53) 

 Bulbil, 230 V. 

 Burr, 96 

 Bush, 229 I. 

 Butcher's Broom, 38 

 Buttercup. See Ranunculus 

 Buttercup family. See Ranun- 



culaceas 

 Butterflies, 81, 132 



Cabbage, 126, 127, 233 xix. 

 Caducous^230 x., 234 xxv. 



