THE GIRTH-INCREASE OF TREES. 109 
PyrRuS AUCUPARIA. 
| 1st Half |2nd Hal acter pi 
st Half |2n alf} Inches pas 
Year, Apr. | May. | J une. July. | Aug. | Sept. Seunon: 4 dakeue. cat 
Observation. 
1892 5 35 30 15 40 45 
1893 5 20 35 25 5 Dee | 30 
1994 WE Yee a ie ee eee 45 
| 1895 0-4) 35 ae 25 35 
| | 
| Total 10 | 40 | 105 | 105 45 5 155 155 
| 
| | 
PC. | 31 (120| 84 | 84 |145] 15} 50 50 14 
Two Younc TREES. 
} 
P.C, | 1% | 5d 203 37 | 20 | 67 | 363 | 63°7 | on ee 
I j { j 
The conduct of all three trees was erratic, except the quickest 
grower of the two earlier ones, which always threw the mass of 
its growth into the second half-season, the percentages being 28 
and 72. The highest individual scores were—Appril, 5; May, 20; 
June, 35; July, 45; August, 30; September, 10. 
PYRUS COMMUNIS. 
> in 
Half; In t 
Year. Apr. | May. | June, | July. | Aug. | Sept. spray oss acne fi 
Observation. 
1892, 10 40 15 20 10 50 45 
1893. “ie 25 20 25 15 5 45 45 
1894. = 10 20 25 10 ne 30 35 
1895. 5 5 25 20 5 10 35 35 
5 50 | 105 85 50 25 160 160 14 
16 | 156 | 32°8 | 26°9 | 156) 7°5 50 50 
