range itself, some of the snow-clad peaks attaining a height of to 2500 m. This brancii 

 is followed by the moist taiga, where I observed once more the common, typical Sayansk 

 subalpine taiga vegetation. Besides the plants already mentioned, I have collected here 

 among gravel and stones Astragalus alpinus, Astragalus frigidus, Euphorbia lutescens, 

 Agrostis canina, and various species of Calamagrostis. On moist, moss-grown declivities 

 close by the river, I have, in addition, collected Ribes peiraeum and Sedum populifolium. 

 and in grass-grown places near the river Ranunculus acris var. pumilus. In places, 



Fig. 61. From the Yenisei valley about Sebi, where we enter the 



eruptive zone in the Tashlcyl and Artool mountains — and where 



the primeval forest begins. 



Fig. 62. From the Bei kem valley, near Utinski porog. Naked, 

 sandy and gravelly river-bank below the highrwater mark. 



91 



