GLOSSARY. 



botany teaches the structure of the 

 vai'ious parts of plants ; systematic 

 or taxologlcal botany, the arrange- 

 ment and classification of plants. 



Bothren/chyma (Gr. QoOpos, bothros, 

 a pit ; eyxvfjLa, en'chuma, any thing 

 poured in, a tissue). A vegetable 

 tissue, consisting of cylindrical cells 

 marked by pits resembling dots. 



Botryoid'al (Gr. Corpus, botrus, a 

 bunch of grapes ; eiSos, eidos, shape). 

 Resembling a cluster of grapes. 



Boulder. A rounded or water-worn 

 block of stone. 



Boustrophe'don (Gr &ovs, bous, an 

 ox; ffrpetpcD, strephii, I turn). A. 

 form of writing alternately from 

 left to right, and from right to left, 

 like ploughing, used by the ancient 

 Greeks. 



Bo'viform (Lat. bos, an ox ; forma, 

 shape). Resembling the ox. 



Bovine (Lat. bos, an ox). Belonging 

 to oxen and cows. 



Brachely'tra (Gr. Ppaxvs, brachus, 

 short ; t\vrpov, elu'tron, a case). 

 A family of beetles characterised by 

 the shortness of their elytra or 

 outer wings. 



Bra'chial (Lat. bra'chium, the arm). 

 Belonging to the arm. 



Bra'chio-cephal'ic (Lat. bra'chium,ihe 

 arm ; Gr. /ce^aXTj, Tceph'ale, the 

 head). Belonging to the arm and 

 the head : applied to an artery of 

 the body. 



Bra'chiopods (Gr. /Spaxuav, bra'chion, 

 an arm; TTOVS, pous, a foot). A 

 genus of molluscous invertebrate 

 animals, so called because their 

 feet, or organs of progressive mo- 

 tion, resemble arms. 



Brachyu'ra (Gr. Ppaxvs, brachus, 

 short ; ovpa, oura, a tail). A class 

 of Crustacea with short tails, as 

 the crab. 



Bract (Lat. bracftea, a thin leaf of 

 metal). In botany, a leaf from the 

 axil or angle of which a flower-bud 

 arises. 



Bractlet (Bract). A little bract ; any 

 rudimentary leaf on a flower-stem 

 between the bract and the calyx. 



Bran'chiae (Gr. fipayxia, bran'chia, 

 gills). The gills or breathing organs 



of animals which live entirely in 

 water ; they are analogous to lungs 

 in air-breathing animals. 



Bran'chial (Gr. {Spayx"*-, bran'chia, 

 gills). Belonging to the branchiae 

 or gills. 



Bran'chiopods (Gr.ppayxta, bran'chia, 

 gills ; TTOVS, pous, a foot). Crus- 

 taceous animals which have gills 

 attached to the feet. 



BrancMos'tegal (Gr. fipayxia, bran'- 

 chia, gills ; o-Tfyw, stego, I cover). 

 Covering gills : applied to certain 

 rays or bent bones which support a 

 membrane covering in the gills of 

 fishes. 



Branchios'tegous (Gr. fipayxia, bran'- 

 chia, gills ; (Treyos, stegos, a 

 covering). Having covered gills. 



Brassica'ceous (Lat. bras' sica, a cab- 

 bage). Belonging to the order of 

 plants of which the cabbage is a type. 



Brec'cia (Italian, a crumb). A term 

 applied to rocks com posed of agglu- 

 tinated angular fragments. 



Brevipen'nes (Lat. brevis, short ; 

 penna, a feather). A family of 

 grallse or stilt-birds, characterised 

 by the shortness of their wings, as 

 the ostrich and emeu. 



Bro'mate (JBromicucid). A salt formed 

 by the combination of bromic acid 

 with a base. 



Bron'chia (Gr. ftpoyxos, bronchos, the 

 windpipe). The smaller tubes into 

 which the windpipe divides in 

 entering the lung. 



Bron'chial (Gr. fipoyxos, bronchos, 

 the windpipe). Belonging to the 

 divisions of the windpipe. 



Bronchi' tis (Gr. fipoyxos, bronchos, 

 the windpipe ; term, ins, itis, de- 

 noting inflammation). Inflamma- 

 tion of the tubes into which the 

 windpipe divides. 



Bron'chocele (Gr. fipoyxos, bronchos, 

 the windpipe ; KT/A.TJ, kele, atumour). 

 A kind of tumour on the front part 

 of the neck. 



Bronchoph'ony (Gr. Ppoyxos, bron- 

 chos, the windpipe ; $wr\, phone, 

 sound). The sound produced by the 

 passage of air through the bronchi. 



Bronchot omy (Gr. Ppoyxos, bronchos, 

 the windpipe ; re/u^w, temno, I cut). 



