97 -7 



TRANSACTIONS AND PROCEEDINGS OF 



[Sess. 



Puuxus Padus. 



Xo. 18 ill the south belt of the Arboretum, Ko. 22 in 

 the hollow of the east border. 



The inferiority of the annual rate in Xo. 18, 0"79, to that 

 of Xo. 22, 1"28, may loe explained by the superior situation 

 and soil of the latter. Xo. 18 is of a straggling habit, Xo. 

 22 thickly branched. The latter flowered abundantly in 

 1890 and 1891 without appreciable effect on the girth-increase. 

 The annual range, 0*65 to 0'90 in the one, and 1'15 to 1"45 

 in the other, is unusually small. 



Pyrus Aucuparia. 



Xo. 77 well sheltered at tlie east end of the south belt 

 of the Arboretum, Xo. 79 under the lee of the east belt. 



Superior soil probably accounts for Xo. 79 having grown 

 at nearly double the rate, 0-91: to 0-55, of Xo. 77. The 

 deficiency in the latter was almost entirely due to failure in 

 the second lialf-seasons. 



UlMUS CAMPKSTniS. 



These two Elms are in the hollow of the east belt of the 

 Arboretum, perhaps the best situation and with the best 

 soil in the plact;. If planted at the same ngc as the other 



