Or to take the small but welldefined group of five-leaved pines, all the species of which may be seen growing side by side at Kew under identical conditions: we have the Weymouth pine (Pinus Strobus) in eastern North America, P. monlicola and the sugar pine (P. Lambertiana) in California, P. Ayacahwite in Mexico, the Arolla pine (P. Cembra) in Switzerland and Siberia, P. Peuce in Greece, the Bhotan pine (P. excelsa) in the Himalayas, and two other species in Japan.
11,241 8,649 Col de Bertol (Arolla to the Col d'Herens), snow.
12,609 Col de Collon (Arolla to Aosta), snow.
12,579 Col de Chermontane (Val de Bagnes to Arolla), snow 12, 543 Cimes Blanches (Val Tournanche to Ayas), bridle path 12,540 Col de Torrent (Evolena to the Val de Torrent), bridle path 12,527 Augstbord Pass (St Niklaus to Turtmann), bridle path.
12,304 Pas de Chevres (Arolla to the Val d'Heremence), foot path 12,264 Antrona Pass (Saas to Antrona), partly bridle path..
In northern Europe this belt is characterized by such species as Picea excelsa (spruce), which extends south to the mountains of the Mediterranean region; Pinus sylvestris (Scottish fir), reaching from the far north to western Spain, Persia and Asia Minor; Juniperus communis, &c. In north Siberia Pinus Cembra (Cembra or Arolla Pine) has a wide range; also Abies sibirica (Siberian silver fir), Larix sibirica and Juniperus Sabina (savin).