B
B
- Babiana (From babianer the Dutch)
- Babiana (Species number nearly thirty)
- Babingtonia
- Baccharis
- Backhousia
- Bactris
- Bacularia
- Baea
- Baeckea
- Baeria
- Bahia
- Balbisia
- Balcony
- Balsam
- Balsamodendron
- Bambusa (About two dozen species have)
- Bambusa (From bambu the Malay name)
- Banisteria
- Banksia
- Baptisia
- Bara-quiniana and B
- Barbacenia
- Barbarea
- Barbary
- Barbieria
- Barkeria (Name commemorative of the late)
- Barkeria (This genus is now included)
- Barleria (Named after J Barrelier)
- Barleria (This genus embraces about)
- Barnadesia
- Baronne de Mello
- Barosma
- Barren Flowers
- Barren Soils
- Barringtonia
- Barrow
- Bartonia
- Baskets
- Bassia
- Batatas
- Batemannia
- Bauera
- Bauhinia
- Beali and B
- Bean Beetle
- Beans
- Beaucarnea
- Beaufortia
- Bed
- Bed A
- Bed C
- Bed F
- Bedding-In
- Bedding-Out
- Bedfordshire Foundling – Befaria
- Beet
- Beet Carrion Beetle
- Beetles
- Begonia
- Bejaria
- Bellium
- Beloperone
- Benthamia
- Berberideae
- Berberidopsis
- Berberis (Berberys is the Arabic name)
- Berberis (Nearly species have been)
- Berchemia
- Bergamotte Esperen
- Bergera
- Berkheya
- Bertolonia
- Berzelia – Black Pear of Worcester
- Betula
- Beurre Berckmans
- Beurre Bosc
- Beurre Clairgeau
- Beurre de Jonghe
- Beurre Diel
- Beurre Hardy
- Beurre Rance
- Beurre Superfin
- Biennial
- Bifrenaria (About ten species natives)
- Bifrenaria (From bis twice and fraenum)
- Bigelovia
- Bignonia
- Billardiera
- Biophytum
- Birds
- Biscutella
- Bishop's Thumb
- Bismarckia
- Bivonaea
- Bixa
- Black Corinth
- Black Frontignan
- Black Monukka
- Blaeria
- Blakea
- Blandfordia
- Blechnum (From Blechnon the Greek name)
- Blechnum (This genus comprises about)
- Blepharis
- Blephilia
- Bletia (About a score species have)
- Bletia (Honour of Don Louis Blet)
- Blumenbachia
- Bobartia
- Bocconia
- Boebera
- Boehmeria
- Boilers
- Boletus
- Boleum
- Boltonia
- Bomarea (Derivation of name doubtful)
- Bomarea (Upwards of fifty species all)
- Bombax
- Bonnetia
- Borago
- Borassus
- Borbonia
- Borecole
- Boronia (Australia is the home of this)
- Boronia (Named after Francis Boroni)
- Borreria
- Bossiaea
- Boswellia
- Bothy
- Botrychium
- Bottom Heat
- Boucerosia
- Bouchea
- Bougainvillaea (Named after De Bougainville)
- Bougainvillaea (This genus comprises seven)
- Boussingaultia
- Bouvardia (Named after Dr Charles Bouvard)
- Bouvardia (This genus comprises about)
- Bouvier Bourgmeister – Boophane
- Bowenia
- Bowiea
- Brachychiton
- Brachycome
- Brachylaena
- Brachysema
- Brachyspatha
- Brachystelma
- Brahea (Four known species of this)
- Brahea (Named after Tycho Brahe)
- Brainea
- Brassavola
- Brassia (Named after Mr William Brass)
- Brassia (This genus embraces about)
- Brassica
- Bravoa (Named after Bravo a Mexican)
- Bravoa (There are two or three species)
- Brazil (B M B fragrans fragrant fl)
- Brazil (Chaste variety W O A iii under)
- Bredia
- Brexia
- Bricks
- Brillantaisia
- Briza (From briza to nod Quaking)
- Briza (Ten species of this genus)
- Broad and Long-Podded
- Broccoli
- Brodiaea
- Bromeliaceae
- Bromheadia
- Bromus
- Brongniartia
- Broompark
- Brosimum
- Broughtonia
- Broussonetia
- Browallia (Named in honour of John)
- Browallia (Tropical America is the home)
- Brownea
- Brucea
- Brunfelsia
- Brunia
- Bruniaceae
- Brunonia
- Brunsvigia (Named after the noble House)
- Brunsvigia (This genus embraces seven)
- Brussels Sprouts
- Bryanthus
- Bryonia
- Bryophyllum
- Buckland Sweetwater
- Bucklandia
- Budding
- Budding Knives
- Buddleia
- Buettneria
- Buff-Tip Moth
- Bulbine
- Bulbocodium
- Bulbophyllum (From bulbos a bulb and phyllon)
- Bulbophyllum (This genus there are about)
- Bulbs
- Bunchosia
- Buphane
- Buphthalmum
- Bupleurum
- Burbidgea
- Burbidgei
- Burchardia
- Burchellia
- Burlingtonia (According to Bentham)
- Burlingtonia (Named after the amiable)
- Bursaria
- Burseraceae
- Burtonia
- Butea
- Butomus
- Buxus
- Byrsonima
- Bystropogon