Till' sIkuIv space in lliickols is occupied l)y a vc^clalioii coiisislino mosllv oi': 



Vkia lunovna. Vivid sepiiiiu. Vicia cinccd, Viria iinijuf/a, Tn/oliiim Liipinaslcr. ('.acdliu 

 hdsldhi. I.iisiiuarhid luilijiiris. Tdiidrrluin luilgdir. I'oliifiondlitiu offirindli'. Prinuild jxilnts. 

 Siiilclldriii sconliijolid. Veronicd psrudoloniji/olid noi>. spec lUmdiia pcntdpcldld. 

 Polf'niilld sibiricd odr. (jeniiiiid. liubiis sdxdlilis. Rnbiis i(liirus. I'cdicttldris resiipinald. 

 Soldiuim nulcdiiuird ixir. pcisicuni. liiiihi saliciiid. Arleiitisid vuUpiris. Pli'urospermum 

 duxlridcdm. and Cdhtindgrostis cpicjeios. 



Aiiioiii^ sand on the nver-l)anks MclHoliis dllnis. Ptilsdtilld luiU/aris, Tlwsiuni 

 rejrdctiim. Rimie.v Accloselld. Vidcelo.ricuin sihiriruin. and Iris rulhcnicd Irefiiienlly 

 occurred. 



The above plants fiom these two locaUlies constitute llie ordinaiv vci^elalion oi all 

 llic islets examined b^' me in the rivers Yenisei and Abakan, hi some places a few other 

 species may also occur. Thus, in thickets of Populus laiirifolid. Populus nigrd. PopuUis 

 Ircnriild. and various species of Sdli.r on an islel near Ust Ahakansk, were lurtheiinore to 

 be Ibund Aqrimonid pilosd. Geiiin Aleppicum, Meldndryuni dlbuni. and in moist meadows 

 Cnidiuni venosiiin. 



Larger and smaller banks and shoals formed by copple-stoncs are very common 

 in llu' river, and wliere the stream is not too 'rapid, thev are i^rown with Peldsiles 



m 



lnei>i(jaliis\\\'h\ch is a i)lant very typical of similar localities. 



.j^ifSSfy^^ 



i^,^., 



Fifj. 12. Low islets witli tliickets of SnHx in llic river Ab;iU:iii. In Uif bacUj^rounil lIuMliy. barren slcppe 



The nearest surroundings of the rivers are also, as mentioned above, covered with 

 various trees and shrubs of '.he same kind as those to be found in the islets. The ground 



21 



