SOURCES OF HONEY 



Bignonia radicans, south — see Nectar. 



Blackberry (Rubus), of many species; Europe and United 

 States. 



Black gum — see Ntassa or Tupelo. 



Black mangrove (Avicennia nitida) ; Florida and the coasts 

 of all tropic seas; generally known as mangrove except in 

 British Guiana, where it is known as "courida" — ^see Man- 

 grove. 



Blackheart, or water smartweed (Polygonum acre), closely 

 related to buckwheat; IlUnois. 



Black mustard (Brassica nigra) — see Mustard. 



Black sage {Ramona stachyoides and R. palineri), Cali- 

 fornia — see Sage. 



Bladdernut (Staphylea trifoUa), north and west. 



Blue gum (Eucalyptus globulus), Tasmania and Cali- 

 fornia — see Eucalyptus. 



Blue thistle (Echium vulgare) viper's bugloss; a weed 

 from Europe; Virginia and Pennsylvania. 



Boneset, or thoroughwort (Eupatorium perfoliatum), a 

 honey-plant of considerable importance. 



Borage (Borago officinalis), Europe, but now well known in 

 the United States. 



Box-elder, or ash-leaved maple (Acer negundo). Northern 

 States. 



Boxwood (Buxus sempervirens), the tree box of the Balearic 

 Islands and Turkey; produces much honey but it is very 

 bitter; introduced into the U. S. 



Buckbush (Symphoricarpus vulgaris) — see Buckbush. 



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