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Rhododendron ferrugineum begins at 1600 metres precisely & stops at 2600 & yet know that plant can be cultivated with ease near London - what makes the line as trees in Beagle Channel - it is not elements - we cannot believe in such a line, it is other plants - a broad border of Killed trees would form fringe. -but there is a contest & a grain of sand turns the balance.

Hort. Transact Vol I.

M. Ramond. p. 19 do says lofty Alpine plants of & Pyrenneæ agree with those of Norway. Lapland & Greenland, but not

 

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with those Kantschatka, Siberia, or even of polar regions of N. America - if true curious on my view - because these points were last connected with those northern regions

do p. 21 says many plants skirt each side of the great N & S. valleys, which penetrate Pyrenees but are found no where else not even in branch valleys - M. Ramond offers no explanation.