Dec. 1897.] BOTANICAL SOCIETY OF EDINBURGH 93 



The girth curve of the tree is the most uniform of the 

 series, but owing to the height of the section above the 

 ground, the first few years' growth is wanting. 



The crown of the girth curve shows the tree to have 

 reached its best between the fortieth and fiftieth years, 

 but even up till the last it retained much of the vigour of 

 its youth. 



The last five years show a slight increase of gradient. 

 The tree at the section had reached 100 years of age, and 

 measured 1654 mm., or 4 feet 8J^ inches in girth. 



F. Common larch {TAtrix curopcva, DC.) grew on the 

 S.E. slope of Carn-na-Drochaide, about half a mile S.W. of 

 Inverchandlick Cottage, on the N. bank of the Dee. The 

 slope was gentle, the tree grew several yards back from 

 the road which opens the aspect to the N. and E., but it is 

 difficult to obtain the exact surroundings of the tree at the 

 level of the section, which was 32 feet above ground. 



The tree grew about 1060 feet above sea-level. 

 The X. radius measured 135*5 mm. 

 „ E. „ „ 134-0 „ 



,, o. ,, ,, JL J. O O ,, 



„W. „ „ 111-0 „ 



Since the section was taken 32 feet above ground, one 



must add about forty or fifty years to the ascertained age 



to get the age of the tree. 



The age of the tree at the section was 74 years, 



and the girth 779 mm., i.e. 2 feet 7^ inches. 



G. Common larch {Larix curoiKca, DC.) grew on level 

 ground about half a mile IST, of Braemar, among a clump 

 of trees to the N.W. of the cemetery, and near the old 

 toll-bar which stands at the junction of the main road with 

 that which leads to the ferry over the Dee. 



An old gravel pit lay immediately to the IST. and E. of tliis 



tree, while the S. and W. sides were shaded by other trees. 



The whole trunk was lying on the ground, and we found 



it to be 54 feet high, while the section was measured at 



the ground level. 



The N. radius measured 257 mm. 

 „ E. „ „ 200 „ 



„ W. „ „ 173 „ 



„ S. „ ., 165 „ 



