194 
noa^Hee yeTaHOBJieimyio JlHHHeeM B. alba L. Sp. pi. 
(1753). MHoro«racjieHHfcie <|>opMM 6epea 3a6afiicajiBH n 
^HajifeHero BocTOKa CnSiipH, 6jraaee Bcero CToamne k 
„o6fciKHOBeHHoft“ 6eJion 6epe3e, .neftcTBHTejiBHo eme #a- 
jieKO He H3yaeHu B ce h 6cjih-6h B. divaricata Led. ot- 
eocHjiacb k oflHofi H3 hhx, to Heuero 6mjio-6h H y^H- 
BjiaTBea, hto OHa aq chx nop He paatacHeHa. Ho to 
oocToaTeabCTBo, i ito JIe,ae6yp. .nance He BH^aBma 06- 
pa3aa pacTeana, ocHOBHsaacb tojibko Ha Kpai’KOM onu- 
cehhh I Mean Ha, penraaca npH3HaTB ocoCbi.g BH.n, no- 
Ka3BiBaeT, hto mu HMeeM aejro e „xopomHM“ bh^om. B 
™ BpeMeHa He .npobajm bo^b bhuob tbk, kbk TenepB. 
Ho c zqpyrofi ctopohu hot BepoaTHocTH, hto6h xoponraii 
peaKo oaepaeHHBifi HM ea ctojib orpaHHaeHHoe pac- 
npocTpanenHe kbk B. divaricata, yKaaaiiHaa no chx nop 
tojibko aJia o^Horo nyHKTa 3a6aS K aaBa h H nrae H e 
yaHaHHaa hh oj^hhm hs MHorouHCJieHHux nocjieayiomHx 
Hccyie^oBaTeaen 3a6aftKaaBa, HauHHaa c TypaaHH- 
HOBa. noAo6Hoe mojkho-6bi nonoapeBaTB jihiiib othoch- 
TeaBHo secBMa HeMHornx peaaKTOBux bh^ob Mhc Ka 
aceTca HecoMHennuM, uto ho* B\ divaricata aano paay- 
MeTL KaKoii HH6y A B H3 pacnpocTpaHeHHux B coce^HHx 
MecTHocrax bh^ob, ho n3BecTHun HaM non npyrHM Ha- 
asaHneM n bot, ecnii mbi aro aonycTHM, to othm bh^om 
M oaceT 6 bitb tojibko B. Middendorffii Tr. et Mey., koto- 
pyio TaKHM o6paaoM, xaK noa^nee onncaHayio (1856 r) 
naao nocTaBHTB b chhohhmh B. divaricatae Led. Cae- 
Ayiomna no^po6HocTH 06 yenoBnax nponapacTaHHa h 
OTHHHHax 3T0fi nocaeimeft 6epe3KH npHBo^HT Mena k 
TOMy-ace 3aKJiioaeHHio. 
TMeaHu caM He BHzjen ee b ea ecTecTBeHHOfi 06- 
CTaHOBKe h onncanne aanMCTBOBaji H3 uacTo mmipyeMoft 
hm pyKonncn CTeaaepa Flora irkutensis (1740 r) 
r * e ona anauHTca non J* 1081. HpnBonHM snecB nojrayi’ 
BBinHCKy H3 pyKOHHCH, HeCKOJIBKO COKpameHHyiO B H3JT0- 
HceHHH I'm e a h h a. 
1081. Betula humilior rupestris foliis Betulae vulga¬ 
ris ngidioribus amentis brevioribus crassioribus ad viri 
proceritatem tantundem assurgit multisque ramis super 
