376 Beekeeping 



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Bee balm, Melissa officinalis. Nectar. 



Beech, Fagus spp. Pollen. 



Beech family, Fagaceae; see Beech, Chinquapin, Chestnut and 

 Oak. 



Bee-tree ; see Basswood. 



Beggar's tick; see Spanish Needle. 



Bell-flower, campanula, campanilla, Ipomoea spp. Of primary 

 importance in Cuba, honey white of finest flavor. Other 

 species in this family furnish nectar. 



Bell-flower family, CampanulaceaB ; see Bell-flower. 



Berberidaceae ; see Barberry family. 



Berberis pinnata. California. Honey amber. 



Berberis trifoliolata. Texas, January-February, nectar and abun- 

 dant pollen. 



Betulaceae ; see Birch family. 



Bignoniaceae ; see Trumpet-creeper family. 



Birch, Betula spp. Pollen. 



Birch family, Betulacese ; see Hornbeam, Hazelnut, Birch and Alder. 



Blackberry ; see Raspberry. 



Black mangrove, Avicennia nitida. Perhaps the most abundant 

 source of nectar ever observed. Killed by frost in Florida in 

 1894 and is returning abundantly. Found in Porto Rico. 



Black sage ; see Sage. 



Black ti-ti ; see Ti-ti. 



Black walnut, Juglans nigra. Pollen. 



Black wattle ; see Acacia. 



Bloodroot, Sanguinaria canadensis. Pollen. 



Bloodwort family. Haemodoracese; see Morong. 



Blueberry, Vaccinium spp. Nectar, pollen. 



Blue-curls, Trichostema lanceolatum. Honey white, granulates 

 quickly, August-November. 



Blue gum ; see Eucalyptus. 



Blue-thistle ; see Viper's Bugloss. 



Blueweed ; see Viper's Bugloss. 



Bokhara clover ; see Sweet Clover. 



Boneset, thoroughwort, Eupatorium perfoliatum. Nectar. Autumn. 



Borage family, Boraginaceae ; see Viper's Bugloss. 



Boraginaceae ; see Borage family. 



Buckeye, JEsculus glabra. Pollen, nectar. 



Buckeye family, ./Esculacese ; see Horsechestnut, Buckeye and 

 California Buckeye. 



Buckthorn, coffee berry, Rhamnus cathartica. 



Buckthorn family, Rhamnacese; see Buckthorn, Cascara Sagrada, 

 Coffee Berry, White Lilac and Rattan Vine. 



Buckwheat, Fagopyrum esculentum (Fig. 148). Annual, 1-3 feet, 



