270 



TRAXSACTIONS AND PROCEEDINGS OF [Sess. lvi. 



hall No. 21*, about 8^ feet in girth, a perfectly healthy 

 spreading tree, was only 015. Thus, as far as my limited 

 experience goes, the rate of the Lime at all ages in the Edin- 

 burgh district is slow. 



^Esc[;lus Hippocastanum. 



Xo. "73 is in the south, No. 80 in the east belt of the 

 Arboretum. Better shelter and richer soil no doubt account 

 for the quicker rate, as well as for the denser foliage and 

 more spreading ramification, of No. 80, compared with the 

 slower, scanty foliage and short branches of No. 73. 



The annual range, 0'70 to 110 and I'OO to 1"35, is small, 

 and the two trees agree pretty well in their annual rise and 

 fall of increase. . 



Acer Pseudo-platanus. 



Nos. 71 and 74 are thriving specimens in the south belt of 

 tlie Arboretum. No. 67 is now a handsome young tree in 

 an open but well- sheltered spot in the Botanic Garden, a little 

 north-west of the pond, but its foliage was very scanty for a 

 time, and its rate was much checked by transplantation in 

 spring 1887. 



The successive rates of No. G7 were 010, -20, "30, -50, 10, 

 showing a gradual improvement after transplantation, till 

 checked l)y the late season of 1891. This corresponded 

 with the condition of the foliage, which, although always 

 healthy, was extremely scanty in 1887, but improved every 

 year, and in 1891 was quite al)undant. The iiidividual 

 leaves all along were remarkably large. 



