BOTANICAL TERMS. 45 
Saiahdy oaigiel (seed-vefsel.) 
BLADDERS. ‘(vesicula) a kind of Air-bags found on some spe- 
_ cies of Fucus. 
BLADDER-SHAPED (inflatus) inflated or distended like a blown 
bladder ; as is the a of the Bladder Campion, and the 
blofsom of the Figwort: 
BLIsTERED (bullatus) when ‘the: surface“of a leaf rises high 
-above the veins, so as to appear like blisters, 
Biossom (corolla) one of the parts of a flower. It may con- 
sist of one or more Petals; and is formed by an expan- 
sion of the inner bark of the plant. Pl. 4. It is some- 
times difficult to say, whether we should @all this pro- 
tecting cover to ‘the Stamens and Pistils, a blofsom or a 
cup. In most instances the former is coloured, and the 
latter green; but that is not always the case, for there 
‘are green blofsoms and- coloured cups; but Linnzus 
remarks, that the blofsom has. its Petals, or its Segments 
placed alternately with the Stamens, whilst the leaves or 
_ segments of the: rie Stand opposite to them. ff this rule 
_ be adopted, the blofsom or Corolla of the Tulip, and 
Pass other bulbous estes. ee must be considered 
igh Cages Stirs, f 
ivi Sr opposed to are as ‘the jeaver of the Spiked 
Speedwell ; the cup of the Convolvulus ; and the capsule 
of the Yellow Rattle. See the leaf, pl. 7. £39. 
‘Boat-sHAPED (navicularis) like a little keel-bottomed boat ; 
as are the valves of the seed-vefsels of the Woad and the 
Mithridate. “P1.'5. f. 13. and the keel or’ lower petal of 
many of the butterfly-shaped blofsoms. 
BORDER (lamina) the upper spreading part of a blofsom of 
one Petal ; as in the Primrose and Auricula. It is some- 
times used to signify the thin membranaceous part of 3 
seed, or seed-vefsel. Pl 4. f.1. (5) 
BorDERED (marginatus) having a border. 
Bowen (arcuatus) bent like a bow. 
inwards (incurvatus.) 
BRACHIATUS, see crofs-pairs. 
BracHIuM, an arm; see measure. 
Bractea, floral-leaf. 
BRANCHED (ramosus) having lateral ditmons: sy 
BRIsTLEs (sete) strong, stiff, cylindrical hairs. Canis 
BRISTLE-SHAPED (setaceus) slender, and nearly cylindrical, 
of the size of a bristle, as the straw of the least Bullrush : 
the leaves and stipule of the Asparagus. — 
BROAD-TOPPED-SPIKE, see Corymbus. jap 
‘Bubp. (gemma) a protuberance upon the ste or + branches, 
generally scaly, and gummy or resinous. It contains the 
rudiments of the leaves, or flowers, or both, which ¢ are te 
‘ke expanded the following year. 
