— 171 — 



KjrËToneK'b cnepea odua dn>Aumca nepajejubHo Rpaso cîeôjia, 

 iipyrafl jKe TOJïbKO Bnocji'EjiCTBiFï (({)0r. 8, T. II). MeîKny 

 T^Mi), 6jh3b jeataroja kjtetohkh napeexHMbi cbohmt> /rkie- 

 mear* TaKHîe npnHHMaroTT) ynacrie bt> oôpasoBaHiH 3ydn.a, 

 KOTopbia bo B3poc.ïoi\n> cocToanin npejiCTaBjiaeT'b nocTe- 

 neHHoe B03BbimeHie Ha Kpaio cTeô\ia. 06^ ero BepmnHHbia 

 kj'etohkh, T'B Hîe caaibia, KOTopbia cymecTByioT'b bt> CTajun 

 <J>pir. 8-h, jeîKaTTï Tenepb He Ha ojiHHaKOBOH Bbicork: ôojilîe 

 Bbijiafomaaca, KaKT> npuMnpyiomaH Bcer/ia bt> CBoeMT> pas- 

 BHïin, Heamoro oTTECHaeTb jipyryio, — h 3yôeu/b H'ECKOJibKo 

 3arHyrb kt> cpejinHHOH jiHHin CTedjia. OdaiibHbia KJitTOHKH 

 3y6u,a, cocTaBJiaîomia ero Kopnycb, npHKpbiTbiïî epiderm'oio, 

 (He HyjKiioK) ynacTia bt> (JopMHpoBama 3yôna), oôa3aHbi 

 cbohmt> npoHcxoHîiieHieM'b KJi'ETOHKaM r b r jïeîKam.RM'b Heno- 

 cpejiCTBeHHo 3a nepBopo/mbiMn BepuniHHbiMn. DpHHHMaa 

 bt> eooÔpaHîeme sto noejrEjjHee oôcToaTejibCTBO, a raKîKe 

 b to, hto nepBaa KjrETOHKa 3y6u,a (xoia oHa h KJTETOHKa 

 anHô'jieMbi), yAepjKHBaerb sieToirb ii'BJieHia, CBOHCTBeHHbiÉi 

 bt> 3T0 BpeMa Bcefi napeHXHM'B, — 3y6n,bi Lemna trisulca bo 

 BcaKOMT) cjiy^a'B cji'buyeT'b CHHTaTb 3a Hacroamie BbipocTbi 

 Cïeôjia. 



Bt» to BpeMa, KâKi» noeienenHoe noaBiieHie eji'B.ayioiUHX'b 

 3ydueBT> coeepuiaeTCH no HanpaBiieHîH) kt> ocHOBaHiK) CTe- 

 ô\ia, cpe/iH napeHXHMbi ero, no ôjiH3oeTH y?Ke AOBOiibHO 

 pa3BHBUiHxca BepuiHHHbixTE) syôn.eB'b, HaHHHaeTca hobhh 

 npoi^eccb — 1 pa3BHTÎe rasoBbixi» BM'ÈeTpîjnnJt'b h ojiHOBpe- 



MeHHOe CT» HHMT) OÔ'QCOÔ'jieHie K.I'BTOHeK'b J COiiepHîaUlHX'b 



KpncTajïJibi (*). 



H He ôyiiy Bxo/mTb bt> n3Ji0îK8Hie ncTopuqecKaro pasBii- 

 Tia Bonpoca o ra30Bbix r b BM'BCTHJinmaxi»; no<ipo6HO 06% 



( l ) Tpy^HO o6o3Hci i îHTij BejiHHHny noHKir, Kor#a HaqHHaioTra 9th npo- 

 ijeccu, KaKt h o6pa30Banie syôn.eBt; BejiHqnHa 3Ta ftOBOjn,HO pa3H0- 

 o6pa3Ha, a nOTOMy h He npHBOîKy H3M'fepeHiô. 



