A view from the southern principal slope of the Yuzhno-Chuiskii mountain range (green plane) on the Ukok Plateau. A light close plain is a montane tundra with dominance of Kobresia myosuroides (Vill.) Fiori et Paol. (Cyperaceae). On the horrizon seen is the snowy mountain range Tabyn-Bogdo-Ola (up to 4374 m above sea level, the mounain Nairamdal), the orographic centre of the Altai mountains, where meet Russia, Mongolia and China.

A ridge between the Chikty Rivulet and a next rivulet to the East, 3000 m above sea level, the upper Dzhazator River basin, Kosh-Agach District, Altai Republic, the Altai Mts., West Siberia, Russia. 10th July 1998.

O. Kosterin.

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