380 BOTANICAL GAZETTE [MAY 
TABLE VI 
No. Time Hours Air per hour |mg. CO: per hour Weather 
I Q:15 P.M.-8:45 A.M. 11.50 1.65 O. o 
2 8:45 A.M.—7:00 P.M. 10.25 eos ee A 
3 7:00 P.M.—8:45 A.M 13.75 1.74 2.03 B 
4 | 8:45 A.M.—8:00 P.M £125 1.91 2.05 O 
5 8:00 P.M.-8:15 A.M E32; 25 1.96 2290 O 
6 8:15 A.M.—8:00 P.M £75 1.96 4.56 B 
7 8:00 P.M.—8:00 A.M I 1.83 5-09 A 
8 00 A.M.-8:45 P.M 12.75 1.80 5-92 B 
9 45 P.M.-8:00 A.M ix535 1.88 6.20 A 
10 00 A.M.—8:00 P.M 12.00 1.93 6.14 O 
II 00 P.M.—8:00 A.M 12.00 1.83 6.23 B-A 
12 00 A.M.—8:00 P.M 12.00 1.83 6.27 B-A 
+3 0o P.M.—8:15 A.M 12.25 2.04 5.86 A 
14 3:15 A.M.-8:00 P.M poe a 1.96 6.11 B 
15 00 P.M.-8:00 A.M 12.00 1.93 5.96 A 
16 OO A 745 P.M 12.75 1.96 5.46 A 
17 45 P.M.-8:15 A.M 11.50 2.00 6.65 A 
18 15 A.M.-8:45 P.M 12.50 2.18 6.89 B 
19 45 P.M.—8:30 A.M. 11.75 2.05 7.05 A 
20 0 A.M.-8:45 P.M 2 2.04 7.31 A 
21 5 -8:00 A.M. 11.25 3.70 6.98 B 
22 00 A.M.-4:15 P.M. 8.25 2.01 5-7 C 
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