Apogamy 



Apotheoium 



ob'ligate --' = Parthen apogamy : 

 somat^ic '^ = Euapooamy ; gen'- 

 erative '^ = meiotic Apogamy ; 

 adj. apog'amous ; Apog'eny {yfvos, 

 offspring), loss of power for sexual 

 reproduction, the function of both 

 male and female organs being de- 

 stroyed. 

 apogeoesthet'ic (i.iro, from ; alcrOriTiKhs, 

 perceptible), when the young hypo- 

 cotyl bends upwards (Czapek) ; Apo- 

 ge'otaxi8(7)j, the earth ; rd^is, order), 

 negative Geotaxis ; Apogeot'ropism 

 (ttj, the earth ; rpoir^, a turn), grow- 

 ing away from the earth, as normal 

 stems ; apogeotrop'ic, negatively 



feotropic ; Apogesta'tion {gestatio, a 

 earing), defined by A. S. Wilson 

 as "the gestation of the germ of 

 one plant in the tissue of a wholly 

 differeut plant away from the gener- 

 ating system"; Apog'yny {yw^, 

 woman), loss of reproductive power 

 in the female organ. 



apo'lar (a, privative ; ir6\os, a pivot), 

 applied by Bertrand and Cornaille, 

 to indeterminate tibro vascular masses 

 without tracheae, in Ferns. 



apomio'tic, relating to Apomix'is (airo, 

 from; fx^is, intercourse) = Apo- 

 gamy; apopet'alou8(7reTaAo»', a flower 

 leaf), having free petals. ; polypetal- 

 ous ; apophyll^ouB {<pv\\ov, Ic'^f), 

 applied to parts of a single perianth 

 whorl wlien free ; Apophototax'is ( + 

 pHOTOTAXis), the action of light 

 causing no definite arrangement of 

 organisms or chlorophyll granules ; 

 adj. apophototac'tic ; Apoph'ysis 

 {<piw, I grow), (1) the swelling below 

 the capsule of Splachnmn and other 

 Mosses ; (2) also in the cone scale 

 of Plnus Pinaster, Soland. ; apoph'y- 

 sate, possessing such an enlargement ; 

 Ap'ophytes, pi. {<t>vrov, a plant), 



(1) Boulger's term for Lichens ; 



(2) Kikli's term for autochthonous 

 plants which follow cultivation ; 

 adj. apophyt'ial, -ic ; Apoplas'tidy 

 {trXcuxrhs, formed), modifications of 

 the same species ; apoplasmo'dial 

 (+ Plasmodium)), and apoplastog''- 

 amoni (+ Plastogamy), said of 



the Acrasieae, as differing from the 

 Myxogastres by the non-fusion of 

 their cytoplastic elements (Hartog) ; 

 apora'chial (+ Rhachis), directed 

 aw^ay from the rhachis (Davie) ; 

 Aporog'amy (-f Porogamy), when 

 the pollen- tube does not pass through 

 the micropyle ; adj. aporog'amous ; 

 ap'oBChist (<rx»<rTbs, split), used of 

 a gamete in which cell division does 

 not occur, but the cell directly 

 assumes the behaviour of a gamete 

 (Hartog) ; aposep'alous {sepalu7)i, 

 calyx-leaf), having free sepals ; 

 Aposmotax'is (+ Osmotaxis), the 

 repulsive influence of certain solu- 

 tions on organisms ; Ap''osperms 

 {(Tvfpfia, a seed), plants defined by 

 MacMillan as integi-ated separately 

 from the placenta; cf. Synsperms ; 

 Aposp'ory {aTropa, seed), supi»ression 

 of spore-formation, the prothallus 

 developing direct from the asexual 

 generation; direct -^j is normal but 

 prolonged ; induced--', where the 

 prothalli produce buds forthwith 

 (Lang); adj. aposp'orous; Apost'asis 

 ((TToo-is, standing), the monstrous dis- 

 union of parts normally united ; Apo- 

 stax'is {(rrd^w, I drip) the abnormal 

 loss of nutritive or secreted fluids by 

 bleeding, gumming, etc. ; Apost'- 

 rophe {(rrpo(pi), turning), the position 

 assumed by the chloroplastids durijig 

 intense light, along the sides of the 

 cell-walls, instead of the outer sur- 

 face ; negative -• , is caused by weak 

 light, as at night, and positive-', by 

 strong light; apostroph'ic, • relating 

 to AposTiiopiiE ; '- In'teival, the 

 space on the Photrum capable of 

 apostrophizing chloroi)hyll granules 

 (S. Moore) ; also termed Apostro- 

 ph'ion; Apostrophiza'tion, the act 

 of chlorophyll granules in taking 

 up the position of Apostkophe ; 

 Apotaximorpho'sis {rd^is, order ; 

 lj.6p(pa)<Ti5, a shaping), Gubler's term 

 for any teratologic change which 

 seUnis antagonistic to the normal 

 laws governing the organism ; Ap'o- 

 thece = Apothe'cium (0^«tj. a case), 

 (1) an organ of fructification pecu- 



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