BOTAHBTCECKHE MATEPHAJIH 
repfiapmn FnaBHoro EoTaHHiecKoro Cap P. C. 0. C. P., 
i nos peaaKum 
> BoTaHHKa B. A. Qejmeaw 
T. III.- BbinycK 24—25. 
H. M. Ky3HeiiOB. N. I. Kusnecov. 
H Bonpocy o npoHCxomfleaaH apaTHiecKOfi $jiopu 
Florae arcticae origo. 
I. Poa Dryas L. Genus Dryas L: 
(c 6 -» b xeitcxe h 1-fi Kapxofi). 
p 0 ^ Dryas L.—THna^HtiH npeacTaBHTejib apKTime- 
cko- ajibiiHft ckoh (fwiopM ronapKTHHecKoro uapcTBa aeMBoro 
mapa. 06 hkhob6Hho npnHHMaioT, hto poa »tot npea- 
cxaBJieH Ha aeMHOM mape 2 -mh scero apRTHqecKO-ajibHHft- 
CKtIMH BHHaMH H HTO B ajIbHHHCKHC BMCOThl GBpaSHaT- 
CKHX H aMepHKaHCKHX ropHbix CTpaH OH 3 aHecen c ce- 
Bepa, H3 apKTHqeCKOfi o6jiaCTH B OHHH H3 Jie^HHKOBblX 
nepHOHOB. npeHCTaBJieHHe 3 to ounaKO e^Ba-jm cnpaBea- 
jiiibo, h, khk a nocTapaiocb uoKaaaTb hhsko, iipaBHJibiieo 
6yneT o6paraoe npencTaBJieHHe, hto po^ Dryas L. no 
CBOeMV npOHCXOHCHeHHK) BHCOKOrOpHblfi HB apKTH- 
necKyro o6jiacTb noixaJi b jie^HHKOByio anoxy c rora, hs 
khkhbix ropHbrx CTpaH rojiapKTHca, npncnoco6HJiCH k 
KJIHM aTHqeCKHM yCJIOBHHM apKTHHGCKHX CTpaH H paCHpO- 
CTpaHHjica TaM HHpKyMnoJiapno B Teaenne aesHmcoBoro 
nepnona. JMcTBHTejibHO, bo (|)Jiope apicrnnecKoa o6jia- 
