336 GLOSSAET. 



Barbdlate: hawing- short, stiff hairs, as the pappus of some- Conl- 

 positse. 



Bark : that part of the stem or trnnk external to the wood. 



Basal ; attached or belonging to the base. 



Base ; that part of an organ Tby which it is attached, 



Basidiospore : a spore, as in the Mushrooms, which is supported by 

 a little pedicel of the basidium. 



Basidium : the enlarged terminal portion of the hymenial hyphse, 

 bearing spores on sterigmata. 



Basipetal : towards or approaching the base. 



Bast, or Bass : the inner fibrous bark. 



Bast-cells : the long-pointed thick-walled cells of bast. 



Beaked: terminaiting by a long narrow tip or beak. 



Berry : a pulpy or juicy fruit. 



Bi, or Bis (as a prefix) : two ; as bUobed (two-lobed), bifid (two- 

 cleft). 



Biennial: laetinigtwo years ; fruiting and dying the second year. 



B^: two-(Heft to near the middle. 



Bifoliate : with two leaflets. 



Bifurcate: forked into two branches ; twice forked. 



Bilabiate: two-lipped (labiate). 



Bilocular : two-celled, or having two cavities. 



Binary : composed of two elements ; in< two's. 



Binomial nomenclaiure : naming^ by two (the generic' and specific) 

 names. 



Biology : the seience which treats of plants and animals. 



Bipartite: two-parted. 



Bipinnate : twice pinnate. 



Bipinnatifid : twice pinuatifid. 



Bzsected : cut in two ; divided in two parts. 



Biseptale : having two partitions. 



Bisexual : having both stamens and pistils (hermaphrodite). 



Bisulcate : two-grooved ; having two furrows. 



Blade : the thin expanded portion of a leaf (lamina)i 



Bloom: the fine white powder (of wax) on some leaves. 



Botanical Province : a geographical region having characteristic 

 groups of plants; 



Botany : the science which treats- of plants. 



Bbtryose : of the racemose type. 



Bract : small leaf or scale from whose axil a flower or pedicel pro- 

 ceeds ; the reduced leaves in a flower-cluster, etc. 



Bracteate : having bracts. 



Bracteolaie : having bractlets. 



Braclht : the bract or scale situated on the pedicel. 



Branches : the divisions of a stem or trunk ; limbs. 



Brwnchlets: very small branches; divisions of a branch. 



Breathing pores : stomates. 



Bristle : stiff, sharp hair. 



Bristly : having bristles. 



Bryology : that division of botany which treats of Mosses. 



