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Baccate, pulpy as in a grape, 
Barbed, furnished with rigid sharp teeth which point backwards, as in a 
fish-hook, 
Basal, at the base, 
Basifixed, attached at the base, 
Bearded, provided with a tuft of hairs, 
Berry, a simple fleshy fruit in which the seeds are immersed in pulp as 
in the grape; indehiscent, 
Biennial, of two year's duration. 
Bifid, 2-cleft to about the middle. 
Bilabiate, with two lips; said of certain tubular corollas such as those of 
the snapdragon, or of calyces, 
Bipinnate, twice-pinnate, 
Bissriate, in two series or rows. 
Bisexual, having both sexes, iee., both stamens and pistils, 
Biternate, twice-ternate, 
Bladdery, thin and inflated, balloon-like, 
Blade, the expanded portion of a leaf as distinguished from the petiole, or 
of, petal. 
Bract, a more or less modified leaf, usually small, from the angle of which 
a flower or flower-cluster arises, Bracteate, having bracts, Bractlet 
a bract of secondary order or very minute, subtending a flower or 
inserted on the pedicel, 
Bristle, a stiff hair or. similar outgrowth. 
Bud, rudimentary state of stem or leaf; unexpanded flower. 
Bulb,fleshy subterranean organ of closely imbricated modified leaves, 
Caducous, dropping very early; of leaves or bracts, 
Caespitose, growing in tufts. 
Callus, a small protuberances in grasses the tough often hairy swelling at 
the base of the lemma and palea, 
