THE GIRTH-INCREASE OF TREES. 
67 
ANNUAL RATE AND “Rawen OF INCREASE IN GIRTH IN 
DECIDUOUS TREES. 
TABLE I.—Under 15 inches in Girth at the end of the Observations. 
No. : Girth at Annesl Li Greatest. | Number 
List fa cnrvation} Bat. bins Year| ine Keet.| Yours 
96 Salix 12°70 | 2°06 1°65 2°80 five. 
94 Ulmus montana 15°00 | 1°45 115 1°75 three 
22 Prunus Padus 13°15 | 1°30 1°15 1:45 | five. 
98 Fagus sylvatica 14°55 {| 1°29 1:00 1°55 five. 
16 Acer Pseudoplatanus 15° ray 1°20 1-40 three 
9 Populus fastigiata 13°65 | 1-24 1:05 1:35 four 
76 Do. $015 ay. 75 1°75 five. 
61° | Quercus rubra 10°95 | 1:18 “20 150 | five. 
23 Fraxinus excelsior 14°50 | 1:07 85 1°40 five. 
78 Betula alba 14°50 | 1°05 “95 1:35 five. 
11 Crateegus Oxyacantha 14°00 | 1°01 85 110 = =| four 
19 Do. 10°10 96 “45 1°65 | eight. 
14 Robinia Pseudacacia 11°90 “93 “60 1:40 six, 
70 | Quercus robur 13°90 89 “50 1:20 | nine, 
79 Pyrus Aucuparia 14°05 | *89 75 110 | eight, 
21 Cytisus Laburnum 13°30 | 86 70 1°05 =| eight. 
8 | Pyrus communis 14°35 | 80 |  -65 95 | four. 
69 Tilia europea .., 12°60 fee “60 1:00 nine. 
7 Alnus glutinosa 11°40 75 “60 ‘85 =| four. 
88 Do. 14°05 74 “50 1-20 eight. 
81 | Carpinus Betulus 11:90} ‘71 ‘45 | 1°00 | eight. 
86 Do. 11°15 70 “40 1:00 | eight. 
16 Quercus Ilex ... 8°60 63 | 45 85 =| seven. 
