21' 



Ballota 189. 

 Balsaraia 32. 

 Balsaiuiaceae 32. 

 Balsaminaceae 155. 

 Balsaminineae 155. 

 Balsamodendron 147. 

 BaiubiLsa 83. 

 Banara 164. 

 Bangia 19. 

 Baiigiaceae 18. 

 Bangiales 18. 

 Banisteria 148. 

 Banksia 112. 

 Baptisia 140. 

 Barbacenia 99. 

 Barbarea 130 

 Barbula 57. 

 Barclaya 123. 

 Barleria 196. 

 Barosma 146. 

 Barrinjrtonia 169. 

 Bartraraia 59. 

 Bartramiaceae 59. 

 Basella 121. 

 Basellaceae 121. 

 Basidiobolus 26. 

 Basidiolichenes 42. 

 Basidiomycetes 43. 

 Batidaceae 120. 

 Batis 120. 

 Batrachospermum 



20. 

 Bauera 135. 

 Bauhinia 140. 

 Bazzania 54. 

 Befaria 176. 

 Beggiatoa 5. 

 ßeggiatoaceae 5. 

 Begonia 166. 

 Begoniaceae 166. 

 Begoniineae 166. 

 Bellincinia 54. 

 Bellis 203. 

 Bellonia 185. 

 Benincasa 201. 

 Bennettitaceae 71. 

 Bennettitales 71. 

 Bennettites 71. 

 Berberidaceae 124. 

 Berberis 124. 

 Bergen ia 134. 

 Berteioa 131. 

 Bertholletia 169 

 Bertia 34. 

 Besleria 194. 

 Beta 118. 

 Betula 109. 

 Betulaceae 109 

 Biarum 90. 

 Biatorella 31. 



Biatoridiura 31, 39. 

 I Biatorina 39. 



Bicoecaceae 7. 



Bidens 204. 

 I Biebersteinia 143. 

 [ Bifora 173. 



Bignonia 193. 

 i Bignoniaceae 193- 



Bilimbia 39. 

 j Billardiera 135. 

 1 Billbergia 93. 

 I Biophytum 143. 

 1 Biovularia 195. 



Biscutella 130. 

 I Biserrula 141. 

 I ßixa 163. 

 ! Bixaceae 163. 

 j Blasia 53. 



Blastenia 41. 



Blechnum 64. 



Blepbaris 196. 



Bletia 105. 



Blighia 154. 

 i Bliudia 56. 

 } Blumea 203. 

 i Blumenbachia 165. 

 ; Blyxa 80. 

 : Bodo 7. 

 I Bodonaceae 7. 



Boea 194. 



Boehmeria 111, 



Boenninghausenia 

 145. 



Boerhavia 120. 

 j Bolbophyllum 105. 



Boletopsis 48. 

 i Boletus 48. 

 I Bomarea 99. 

 i Boiubacaceae 158. 

 j Boinbax 158. 

 1 Bonnemaisonia 22. 

 j Bonneraaisoniaceae 

 I 22. 

 I Boottia 79. 

 ; Borassus 85. 

 1 Borderea 100. 

 I Boronia 145. 

 s Boragin aceae 186. 

 i Borraginineae 186. 

 1 Borrago 187. 

 I Borreria 199. 



Bostrychia 20. 



Boswellia 147. 

 1 Botrychium 67. 

 I Botrydiaceae 14. .. 

 j Botrydium 14. 



Botryosphaeria 35. 

 ! Botrytis 30, 37. 



Boucerosia 184. 

 I Bougainvillea 120. 



Boussingaultia 121. 

 Bouteloua 82. 

 Bouvardia 198. 

 Bovista 50. 

 Bowiea 95. 

 Bowlesia 172. 

 Brachychiton 159. 

 Brachypodium 82. 

 Brachytheciura 61. 

 Brasenia 122. 

 Brassavola 105. 

 Brassica 130. 

 Brefeldiaceae 2. 

 Biemia 28. 

 Brexia 134. 

 Bridelia 149. 

 Briza 82. 

 Brodiaea 96. 

 Bromeliaceae 92. 

 Bromeliineae 92. 

 Bromus 82. 

 Brosimum 111. 

 Broussonetia 110. 

 Brownlowia 157. 

 ßruchia 56. 

 Bruguiera 169. 

 Brunella 189. 

 Brunellia 135. 

 Brunelliaceae 135. 

 Bruniaceae 135. 

 Brunonia 202. 

 Brunswigia 98. 

 Bryaceae 59. 

 Bryales 56. 

 Bryanthus 176. 

 Bryonia 201. 

 Bryophyllum 133. 

 Bryophyta 51. 

 Bryopsid aceae 14. 

 Bryopsis 14. 

 Bryura 59. 

 Buchanania 152, 

 Buchloe 83, 

 Buchnera 193, 

 Bucklandia 135. 

 Buddleia 181. 

 Buellia 31, 41, 

 Büttneria 159. 

 Bulbine 95. 

 Bulbochaete 13. 

 Bulbocodium 95. 

 Bulgaria 31. 

 I^ulnesia 144, 

 Bunias 131. 

 BuphthalnQura 203. 

 Bupleurura 173. 

 Bursera 147. 

 Burseraceae 147, 

 Burmannia 103, 

 Burmanniaceae 103. 



Burmanniineae 102. 

 Butea 142. 

 Butomaceae 79. 

 Butomineae 79, 

 Butomus 79. 

 Butyrospermnml79, 

 Buxaceae 151. 

 Buxbaumia 60. 

 Buxbauiniaceae 60, 

 Buxiöeae 151. 

 Buxus 151. 

 Byblis 132, 195. 

 Byssocaulaceae 39. 

 Bystropogon 190. 



Caboraba 123. 

 Cacnlia 2Qib. 

 Cachrys 173. 

 Cactaceae 157, 

 Cadaba 129, 

 Caeoma 45, 

 Caesalpinia 140. 

 Cajanus 142, 

 Cajophora 165. 

 Cakile 130. 

 Caladium 89. 

 Calamagrostis 82. 

 Calamariaceae 67. 

 Calamariales 67. 

 Calamariopsis 69. 

 Calamintha 190. 

 Calamites 67. 

 Calamitina 67. 

 Calamopitys 69. 

 (^alamostachys 67, 

 Calamus 86. 

 Calandrinia 121. 

 Calanthe 105. 

 Calathea 202. 

 Calceolaria 192. 

 Calectasia 96. 

 Calendula 205. 

 i Caliciaceae 31, 38. 

 Caliciopsis 31. 

 Calicium 38. 

 Calla 88. 



Callianthemum 124 

 Callicarpa 188. 

 Callicostella 60. 

 Calligonum 117. 

 Callistenion 170, 

 Callistephus 203. 

 Callithamnion 23. 

 Callitrichaceae 150. 

 Callitriche 151. 

 Callitris 74, 

 Calloria 30. 

 Callophyllis 21. 



