BOTANICAL NAMES 39 



into " b " from vetonica, as the plant was called in 



Gaul. Second hot. name of Betony. 

 Betony (bet-o-ni). A corruption of second L. hot. name. 

 Betula (bet-u-la). L. name of Birch tree. Bot. name 



Birch group. 



Betulus (bet-u-lus). Second bot. name Common Horn- 

 beam. 



Bi. A common L. prefix meaning two. 

 Bibracteata (bi-brak-te-a-ta). L. " Bi " (two); "brae- 

 tea " (thin metal leaves). The modified leaves at 



the base of the flowerstalk are called " bracts," 



when very small " scales." 

 Bicapsular (bi-kap-su-ler). L. " Bi " (two); " cap- 



sula " (a little chest) ; i.e., having two pods or seed 



vessels. 

 Bicarinate (bi-kar-in-at). L. " Bi " (two); " carina " 



(keels) ; two-keeled. 

 Bicarpel (bi-kar-pel). L. " Bi " (two), "carpel" 



(carpel); i.e., when the pistil is divided into two 



separate and distinct female organs. 

 Bicolor (bi-kol-oir). L. " Bi " (two); "color" 



(colours) ; variegated. 

 Bidens (bi-dens). L. " Bi " (two); " dens " (teeth); 



refers to the two tooth-like projections on the fruit 



of Bur-Marigold. Bot. name for a group. 

 Bidentate (bi-den-tat). L. " Bi " (two); "dens" 



(teeth) ; when the teeth along the margin of a leaf 



are also in turn toothed. 

 Biennials (bi-en-ni-als). L. " Bi " (two) ; " annus " (a 



year) ; applied to plants that do not bear flowers till 



the second year and then die down. 

 Bifid (bi-fid). L. " Bi " (two) ; " fidi " (cleft) ; cleft in 



two, but not deeply divided. 



