bracteose 
Bud 
bract’eose, bracteo’sus, having con- 
spicuous or numerous bracts ; 
bract’less, wanting bracts ; Bract’- 
let, a bract of the last grade, as one 
inserted on a pedicel or ultimate 
flower-stalk, instead of subtending 
it. 
Bran, the husks or outer coats of 
grout corn, separated from the 
flour by bolting ; bran-like, scurfy 
in appearance. 
Branch, a division of the stem, or 
axis of growth; Branch’ery, Grew’s 
term for the ramifications in the 
pulp of fruits ; branch’less, bare of 
ranches; Branch’let, a twig or 
small branch, the ultimate divi- 
sion of a branch. 
Brand, disease caused by minute 
Fungi on leaves, as Ustilago, etc. 
Bras’ilin, the colouring matter of 
Brazil wood, Cacsalpinia brasili- 
ensis, Linn. 
break, (1) to put out new leaves; (2) 
to show a variation, as in florist’s 
flowers; Break-back, reversion to 
an earlier type; Breaking, a popular 
expression for a sudden profusion 
of algal life in certain lakes or 
meres. 
Breathing-pores = STOMATA. 
pre’ vi-ramo’sus (brevis, short, ramosus, 
branched), short-branched. 
brick-colour, usually implies a dull 
red ; latericious, testaceous. 
Breed = RAcE ; Cross-breed = HYBRID. 
Bri‘dles, (1) strings of protoplasm 
which often connect the nucleus 
with the layer of protoplasm next 
the cellwall; (2) strands of cells 
connecting other tissues. 
Bris’tle, astiff hair, or any slender body 
which may be likened to a hog’s 
bristle ; ~pointed, endingin a stiff 
short hair; bris’tly, beset with 
bristles. 
British, used by H. C. Watson to 
express the distribution of those 
plants which are found throughout 
the island of Great Britain. 
prochidod’romus (8p6x0s, a noose, eldos, 
like, dpevos, a course), Ettingshau- 
sen’s term for loop-veined. 
37 
Brood-bodies, gemmae on leaves of 
Mosses, becoming detached and 
growing into protonemal filaments ; 
~ Buds, (1) a synonym of Soredium 
in Lichens ; (2) the same as Bulbil 
in Archegoniatae ; ~ Cell, asexu- 
ally produced propagative cell of 
a gonidium; ~ Gemma, a pluri- 
cellular propagative body produced 
asexually and passing gradually 
into a brood-cell on one side, and 
a bulbil on the other. 
Bronte’sis, (Spovr}, thunder), injury 
to plants by electric shock. 
Brown'ian Movement, motion shown 
by minute particles when suspended 
in a liquid. 
Bru’cine, a poisonous alkaloid from 
Strychnos Nux-vomica, Linn., for- 
merly supposed to be from Brucea 
Serruginea, L’Hérit. 
bruma‘lis (Lat.), pertaining to the 
winter solstice ; flourishing in mid- 
winter. 
brun’neolus (Mod. Lat.), brownish. 
prun’neus or brun’eus (Mod. Lat.), 
brown in colour. 
Brunissure (Fr.), injury caused to 
vines by Plasmodiophora Vitis, 
Viala. 
brush-shaped, aspergilliform. 
Bryol’ogy (8pvov, a moss, ddvos, dis- 
course), the science of Mosses, or 
Bryophytes generally. 
Bry’onine, a poisonous principle ex- 
tracted from the roots of Bryonia 
alba, Linn. 
Bry’ophytes (Spvov, a moss, gurov, a 
plant), moss-like plants, the true 
Mosses and the Hepaticae or Liver- 
worts. 
Bucc’ae + (Lat., cheeks), the lateral 
sepals or wings of the flower of 
aconite. 
buckler-shaped, resembling a round 
buckler with a raised rim. 
Buck’mast, the fruit of the beech tree. 
Bud, the nascent state of a flower or 
branch; ~ Cones, of the carob, 
Ceratonia Siliqua, Linn., arrested 
or aborted inflorescences ; ~ Glue, 
=B.Lastocotta; ~ Ru'‘diment, in 
Chara, a cell cut off from a pro- 
