. Contributions from the Botanical Laboratory, vol. 12. Botany; Botany. >⢠r^ C I t >^t North of Tegenekli is the mountain spur, Buka-Bashi, rising above the Eiver Irik. It offers a superb vista of the main Caucasus Range. West of Tegenekli is the upper end of the vaDey of the Baksan (PL XII, phot. 1). One branch of the valley leads to Krugozor, a small plateau on the slope of Elbrus (PI. XII, phot. 2). Both of these regions support an interesting sub- alpine flora. More prolific, however, is the high grass vegetation in the valleys of the Adyl-Su, Uzengi, and Dongus-Orun, valleys of su
. Contributions from the Botanical Laboratory, vol. 12. Botany; Botany. >⢠r^ C I t >^t North of Tegenekli is the mountain spur, Buka-Bashi, rising above the Eiver Irik. It offers a superb vista of the main Caucasus Range. West of Tegenekli is the upper end of the vaDey of the Baksan (PL XII, phot. 1). One branch of the valley leads to Krugozor, a small plateau on the slope of Elbrus (PI. XII, phot. 2). Both of these regions support an interesting sub- alpine flora. More prolific, however, is the high grass vegetation in the valleys of the Adyl-Su, Uzengi, and Dongus-Orun, valleys of supreme beauty headed by majestic peaks and glaciers. The glaciers descend to 2500 m. (PL X, phot. 2) and thus eliminate alpine fields in the valley proper, as these usually do not occur below 2600 m. The subalpine pastures extend from 2250 to 2400 m.; beyond them lie moraines and then ice. In the high grass of these five regions the following subalpine forms were collected:. â¢'⢠J^4 â -â â ^mm.' ^.!*» â¢'-f Cystopteris fragilis Juniperus communis depressa Calamagrostis anindinacea Silene inflata S. commutata Aconitum orientale Allium paniculatum Bistorta sp. Rumex sp. Polygonum alpinum P. bistorta Dianthus liboschitzianus Sempervivum pumilum Saxifraga scleropodia S. cartilaginea Potentilla sp. Alchemilla retinervis Trifolium ambiguum T. alpestre Coronilla varia C. vulgaris Onobrychis viciaefolia Astragalus galegiformis Geranium renardi Viola lutea Daphne sp. Epilobium montanum Chamaenerion (Epilobium) angus- tifolium Astrantia helleborifolia Chaerophyllum aureum Heracleum sp. Gentiana caucasica G. septemfida Cuscuta sp. Myosotis alpestris Aquilegia olympica Ranunculus oreophilus Alyssum murale. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original University of Pennsylvania. Botanical Laboratory; Un
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