GLOSSARY. 



417 



Bifdrious; in two series, or opposite rows ; 

 pointing in two directions. 



B'/fid; two-cleft, or split i, to two segments. 



Bifoliate; having or producing 2 leaves. 



Bifurcate; forked; ending in two equal 

 branches. 



Bi-(ji''bous; having 2 hunches, or gibbous 

 productions. 



Bi-gl.and.ular; having or producing two 

 glands. 



Bi-labiate; having 2 lips. 



Bilamellate; having 2 lamellae, or thin 

 plates. 



Bilocular; having 2 cells. 



Bipartitile; separable into 2 parts. 



Bip< tilit e; two-parted. 



Bi pinnate leaf. Twice pinnate ; the com- 

 mon petiole having opposite branches, 

 and those branches bearing opposite ar- 

 ticulated leaflets. 



Bipinn&ttijid loaf. The common petiole 

 bearing opposite pinnatifid segments. 



Bi-rostrate; having 2 beaks. 



Bi-setose; having 2 bristles. 



Bixulcate; having 2 grooves or furrows. 



Biternate leaf; twice ternate ; the common 

 petiole 3-parted. and each division, or 

 branch, bearing 3 leaflets. 



Binalved; having 2 valves. 



Biventricose; lia\ing 2 bellied or distended 

 portions. 



Bloom. A fine powdery coating on certain 

 fruits, &c., as the plum. 



Border; the summit or upper spreading 

 part of a calyx or corolla. 



Bowl-shaped; hemispherical and concave, 

 or hollow, like a bowl. 



Brachiale; having the branches spreading, 

 opposite and decussate. 



Bract. A floral leaf ; a modified leaf, from 

 the axil of which arises the flower-branch, 

 or peduncle. 



Bi'acfrate; furnished with bracts, or modi- 

 fied leaves among or near the flowers. 



Bracteoles, or Bractlets. Small bracts. 



Bractless; destitute of bracts. 



Branchlets. Small branches, or subdivi- 

 sions of branches. 



Bristles. Stiffish elastic hairs, straight or 

 hooked. 



Bud. A growing point, or undeveloped 

 axis, covered with the rudiments of 

 leaves. 



Bulb. A kind of bud, formed of fleshy 

 scales, or coats, and usually under 

 ground sometimes in the axis of the 

 leaves. 



BuJl'ife.rous: bearing or producing bulbs. 



Butbous; formed of, or like a bulb. 



Buttat}esS\ having lulMe-Uke convexities 

 on the upper surface, with corresponding 

 cavities beneath. 



Caducous; falling off immediately, or ear- 

 lier than usual for such organs. 

 Calc.arate; spurred; having a process like 



a horn, or spur, usually hollow. 

 Callous; firm and gristle-like. 



18* 



Callus. A compact gristle-like tubercle, or 

 substance. 



Calyciform; shaped like a calyx. 



Calyculate; having an additional (usually 

 small) outer calyx. 



Calyptra. The cap or hood (resembling 

 the extinguisher of a candle,) on the fruc- 

 tification of the mosses. 



Calym The flower-cup, or outer (and 

 sometimes the only) covering of a flower, 

 usually green. 



Cainpanulate; in the form of a bell. 



Campylotropcus ovule ; or seed. "Where the 

 ovule curves upon itself, and thus brings 

 the orifice, or apex, near to the t'uniculus. 



Canaliculate; channelled or furrowed. 



Candicant ; whitish. 



Canescent; hoary ; clothed with a whitish 

 or grey pubescence. 



Capillaceous, or cajrillary; long and fine, 

 or slender, like a hair. 



Capitate; head-form ; growing in a head, 

 or globular mass. 



Cdpsular; resembling, or being, a capsule. 



Cttp&ul?. A dry hollow seed vessel, usu- 

 ally opening by regular valves and defi- 

 nite seams. 



( 'a/ 1 '* a a ; keel. 



Carinale; keeled ; having a ridge on the 

 bnck, like the keel of a boat. 



Carnose; fleshy ; more firm than pulp. 



Carpel. A little fruit ; usually a partial pis- 

 til, or constituent portion of a compound 

 fruit. 



Cdrpophore. A slender central axis, "bear- 

 ing the carpels, as in UMBELLIFEIUE. 



Cartilaginous; hard, yet somewhat flexible, 

 like gristle. 



Caruncle. A fleshy excrescence, some- 

 times found at the hilum of seeds. 



Carybpsi*. A fruit where the pericarp is 

 very thin, indehiscent, and closely adher- 

 ent to the surface of the seed, as in the 

 Grasses, Cypcracece, &c. See Utricle. 



Catkin ; see Arnent. 



Cauda. A tail. Caudate; having a tail, or 

 tail-like appendage. 



Caulescent; having an evident or true stem. 



Cautine; belonging to, or growing on, the 

 main stem. 



Cellular; made up of little cells, or cavi- 

 ties, formed of tnembranaceous sacs. 



Cfllular plants. The lower orders of plants 

 (including the Mosses, and those below 

 them), composed exclusively of cellular 

 tissue. 



Centrifugal inflorescence ; where the cen- 

 tral flower of a cyme precedes the 

 others,! e. the flowering commences at 

 the centre and extends successively to the 

 circumference. 



Centi-'ipetal inflorescence ; where the outer 

 flowers of a corymb, or urrfbel precede 

 the inner ones, i. e. the flowers expand, 

 in succession, from the circumference to 

 the centre. 



Cephaloid ; head-shaped. 



