Winged 



OF BOTANICAL TERMS. 



Zodiophilous 



which enables it to be more 

 readily conveyed by the wind, 

 as in the ash and maple; (2) one 

 of the side petals of a papilio- 

 naceous flower, as of the pea 

 or bean; ala. 



WINGED, bearing a membranous 

 expansion or wing; alate. 



WIN'TER AN'NUAL, a plant 

 which germinates in the fall, 

 lives over winter, and produces 

 seed and dies the following 

 season. 



WIN'TER SPORE, see Resting- 

 spore. 



WiTH'ERING, see Marcescent. 



WOOD, all that portion of the 

 stem in exogens within the 

 bark or cambium layer, ex- 

 cept the pith and medullary 

 rays. It consists of the xylem 

 portions of the united fibro- 

 vascular bundles. The term 

 is also extended in popular use 

 to all parts of similar texture 

 in plants. See Xylem. 



WOOD FI'BRE, an elongated 

 wood-cell with thick wall and 

 narrow cavity. See Bast- 

 fibre. 



WOOL, long, dense, curled hairs. 



WOOL'LY, see Lanate. 



W6R'0NiN'S HY'PHA, a coiled 

 hypha in various Ascomycetes, 

 believed to be morphologically 

 an archicarp, but in which fer- 

 tilization is either wanting or 

 unknown. 



WRAP'PER, see Volva. 



XANTHIC FLOW'ER§, those 

 which have yellow for the 

 typical color, including all 

 colors except those containing 

 blue. Compare Cyanic Flow- 

 ers. 



XAn'THOPHYLL, see Phyllox- 



ANTHIN. 



XENdG'AMY, see Cross-fertili- 

 zation. 



XEROPH'lLOtfS, growing in dry 

 climates. (Rare.) 



XlPH'IOID (rare in botany), 

 see Ensiform. 



XfPHdPH YLLOUS, having ensi- 

 form leaves. (Rare.) 



XY'LEM, the portion of a differ- 

 entiated hbrovascular bundle 

 which contains the larger con- 

 tinuous air-containing vessels, 

 and the walls of whose cells 

 are often thickened and ligui- 

 hed; wood; hadrome. The 

 xylem is separated from 

 another part called Phloem 

 by the cambium, if there is 

 any, and it usually occupies 

 the side of the bundle toward 

 the centre of the stem. Com- 

 pare Phloem. 



XY'LEM-PLATE, seeXYLEM-RAY. 



XYLEmrAY, a radial plate of 

 xylem between two medullary 

 rays; xylem-plate. Compare 

 Phloem-ray. 



XYLOCAR'POtlS, having hard, 

 woody fruit. (Obs.) 



XYLO'DltJM (obs.), see Ache- 

 nium. 



XYLO'MA, a sclerotoid body 

 which produces spores inter- 

 nally: found in Polystigma 

 and some other Ascomycetes. 



ZOAD'tJLA (pi. Zoad'ulae) (obs.), 

 see Zoospore. 



ZODldPH ILOUS, pollinated by 

 the agency of animals, includ- 

 ing, for example, Protozophil- 

 ous and Entomophilous. It 

 is the converse of Anthophi- 

 lous, said of the insects or 

 other animals which convey 

 the pollen. Compare Ane- 

 mophilous and Hydrophi- 

 lous. 



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