Budding 
Burgundy Pitch 
embryonic branch as the primor- 
dium of the young plant; ~ Scales, 
the coverings of a bud; ~ Sport 
=Bvp-VARIATION ; ~ Variation, 
changes of colour or form in plants 
arising from a flower or leaf bud. 
—Adventitious~, buds arising out 
of the normal course or locality ; 
Brood ~, = Broop-bups ; Flower 
~, the inflorescence before expan- 
sion, or a unit thereof; Leaf~, 
an undeveloped leaf. 
Bud’ding, (1) propagation of a garden 
form by inserting a bud or ‘‘ eye” on 
another stock ; (2) used also for ex- 
pansion of the buds. 
Bud'let, ‘‘a little bud attached to a 
larger one” (Crozier). 
Bulb, Bul’bus (Lat.), a modified bud 
usually underground ; (1) na’ked 
~, bulbus squamosus, having scaly 
modifications of the leaves, as 
in the lily; (2) tunica’ted ~, 
whose outer scales are thin and 
membranous, as the onion or hya- 
cinth; (3) the so-called solid~, is 
a Corm ; (4) the swollen base of the 
stipe of the sporophore in Hymeno- 
mycetes; ~ Scale, one of the com- 
ponents of a bulb. 
bulba’ceous, -cews, (1) bulbous; (2) 
having bulbs. 
Bul’biceps (bulbus, a bulb, caput, a 
head), a stem bulbous at base; bulbi- 
ferous, -rus ( fero, [bear), bulb-bear- 
ing, as when bulbils are amongst the 
florets of an inflorescence, or axils 
of the leaves; Bul’bil, Bulbill'us, 
Bulb’let, Bulb’wus, (1) a small bulb, 
usually axillary, as in Lilium bulbi- 
serum ; (2) Bulbil is also applied, 
(a) in some fungi to small pluricel- 
lular bodies incapable of germina- 
tion; (b) deciduous leaf-buds capable 
of developing into a new bion or 
brood-bud, in Archegoniatae ; Bul- 
bo’dium +t =Corm ; 
bulb’ose, bulbo'sus, bulb’ous, having 
bulbs or the structure of a bulb; 
bulbo'si pili, hairs with an_in- 
flated base; Bulbotu’ber, Gawler’s 
name for Corm ; Bul’bule=Bulbil 
(Crozier). 
38 
bull/ate, bulla’tus (bulla, « bubble), 
blistered or puckered, as the leaf 
of the primrose; Bullescen’tia 
(+escens), the state of being blis- 
tered, as the Savoy Cabbage ; bul’- 
liform (forma, shape), used of some 
large thin-walled cells, occurring 
on the epidermis of certain grasses 
(Duval-Jouve). 
bunched, gibbous. 
Bun’dle, a strand of specialized 
tissue, variously modified; ~ 
Flange, communications hetween 
the unbranched leaf-bundles of 
Gymnuosperms and the surrounding 
tissues; ~ Sheath, the enveloping 
cylinder of closely united paren- 
chyma :—Bicollat’eral ~, when a 
second bast-strand exists on the 
inner, medullary, side of the wood 
of the conjoint-bundle; Cauline ~, 
confined to the stem; Closed ~, 
destitute of cambium, the procam- 
bium having become permanent 
tissue ; Collat’eral ~, when the 
wood and bast lie side by side ; 
Com’mon~, that is, to stem and 
leaf, becoming a leaf-trace; Con- 
cen’tric ~, when either the wood, 
or the bast system surrounds the 
other; Conjoint ~, consisting of 
both wood and bast ; Corti’cal ~, 
peculiar to the cortical region ; 
Medullary ~, the vascular bundles 
occurring in the pith, when there 
is a well-defined exterior ring; 
Open ~, when the bundle possesses 
a portion of cambium ; Ra‘dial ~, 
having the strands of wood and bast 
alternately as in roots; Phloém ~, 
the bast portion ; Vase’ular ~, the 
entire strand, consisting of liber or 
bast portion (phloém) and tracheal 
or wood-portion (xylem) in various 
degrees; Xylem ~, the wood-por- 
tion. 
Bunt, a common disease of the wheat 
plant, from Tilletia Tritici, Winter. 
Bur, a prickly headed fruit, applied 
to the chestnut, Arctium, and the 
like ; bur’ry, resembling a bur. 
Bur’gundy Pitch, a resin from species 
of Abies, 
