274 THE FOREST LANDS OF FINLAND. 



Brought forward, 73,191,794 tunnland, 

 Of arable land, 1,690,822 



Of rocky land and roads, 99,696 ,, 



Total, 74,982,312 



The mean temperature at Hango, the most southern 

 part of Finland, is 5 Celsius, lat. 62, the northern 

 limit of the satisfactory culture of wheat. The mean 

 temperature is 3 lat. 64, is the northern limit 

 arter (legimumes), and half a degree to the north of this 

 is that of oats. The mean temperature in this region is 2. 

 In 65.50, is that of hemp. The mean temperature here 

 is 1. From 67 east, to 68 on the coast, is that of rye 

 About and in 69 that of barley. Here the mean 

 temperature is 0. 



Between latitude 60 and 62 there occur in the following 

 order the northern limits of the trees named : the oak, 

 the ash, the hazel, the maple, and the elm ; between 62 

 and 64 those of the lime and the mountain ash ; about 

 65 that of the elder ; about 68 that of the aspen ; and 

 between 68 and 70 those of the spruce, the pine, and the 

 birch. 



In a Finnish Atlas of physical geography, Sounenmaan 

 Kastasto Kouleyen Tarpeeksi Tehuyt Vuonua, 1878, by I. J. 

 Inberg, are supplied indications of these and numerous 

 other matters pertaining to the physical geography of the 

 country, and several similiar maps are appended to statis- 

 tical notices, prepared in view of the Paris Exhibition of 

 1878 by Dr Ignatius, and published at the expense of the 

 Finnish Government. Amongst others, one representing 

 the limits toward the north, to which some twenty-eight 

 vegetables extend in Finland, the range of them growing 

 wild is given in one colour, the range of the same or 

 others growing under cultivation is given in a different 

 colour. When the northern limits of a plant differs 

 in the east and in the west of the country, or is only 

 known at isolated localities, these are indicated by points, 

 under which is stated the corresponding longitude reckoned 



