Bunch 



OF BOTANICAL TERMS. 



Callosity 



BUNCH, an indefinite cluster or 



tuft. 

 BUN'DLE-SHEATH, a layer of 

 closely united thin-walled 

 parenchyma partly or wholly 

 surrounding each fibro-vascu- 

 lar bundle or continuous 

 around the flbro- vascular cylin- 

 der; phloera-sheath. 



BUR, a seed or head bearing 

 hooked or barbed appendages 

 which serve for its attach- 

 ment to various animals, thus 

 securing its dissemination. 



BURSIC'UlATE, pouch-like or 

 furnished with pouch-like ap- 

 pendages. 



BURSIC'ULA (pi. Bursic'ulae), an 

 old term for the stigmatic 

 chamber in orchids. 



BURSIC'ULATE, having a bursic- 

 ula or small pouch. 



BUSH, a shrub, especially if dense 

 and low. Shrub implies the 

 habitual form or limit of 

 growth, but a bush may grow 

 into a tree. 



BUT' TERFLY-SH APED, see Papi- 

 lionaceous. 



BUTTERY, applied to fruits, es- 

 pecially pears, the flesh of 

 which is soft and yields read- 

 ily to the pressure of the teeth, 

 as in the White Doyenne and 

 Seckel pears. The texture is 

 in some respects intermediate 

 between Breaking aud Melting, 

 which see. 



BUT'TON (v. i.) (Hort.), to form 

 small heads prematurely, as 

 cauliflower. 



BICYC'LIC, having two cycles or 

 whorls. 



BYSSA'gEOUS, resembling or con- 

 sisting of fine filaments like 

 cobweb, as the mycelium of 

 mushrooms. 



BYS'SOID, resembling bissus. 



BYS'SUS, an old name for the 



filamentous mycelium of cer- 

 tain fungi. 



CADU'COUS, falling early, as the 

 calyx of the poppy. 



CJERULES'CENT, see CffiRULES- 



CENT. 



CJERU'LEUS, see Cceruleus. 



CJE'SIOUS, pale bluish-gray; lav- 

 ender-colored. 



CffiSPlT'flLLOSE, diminutive of 

 Csespitose. 



CiES'PlTOSE, see Cespitose. 



CAlAthID'IUM (obs.), see 

 Capitulum. Formerly applied 

 to the head of flowers in Com- 

 positse, or sometimes to the in- 

 volucre only. 



CAlATH'1f6RM, bowl-shaped, 

 with the margin more or less 

 flaring, like a fruit-dish or 

 flower- basket. 



cAl'CAr, see Spur. 



CAL'CARATE, having a spur, as 

 the flower of larkspur; spur- 

 shaped. 



CAlCA'REOUS, of a dull chalk- 

 white color; growing in chalky 

 or limestone soils. 



CAL'CElFdRM, see Calceolate. 



CAL'CEdLATE, slipper-shaped, 

 as the lip of Cypripedium; 

 calceiform; soleaeform. 



CAl/ClFdRM, powdery, like 

 chalk or lime. 



CALClV'OROUS, eating into lime 

 rock, as certain lichens. 



CAlf C'UlAR, cup-shaped. 

 (Rare.) 



CALlC'ULATE, see Calyculate. 



CA'LlX, see Calyx. 



CAL'Ll (pi.), see Callus. 



CAL'LOSE, having hardened spots 

 or protuberances; callused. 



CALL&S'ITY, a hard or thickened 

 spot or protuberance; callus; 

 wart. 



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