[Vor. 4 
200 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
is illustrated in pl. 14. Plant No. 2 was kept at 85? F. and 
shows the young leaves passing through a venation stage into 
true mottling. Plant No. 1 kept at 45? Е. shows the reverse. 
Mottled leaves pass through the venation stage into an ap- 
METEOROLOGICAL SUMMARY FOR NOVEMBER, 1916 
ЕМРЕЖАТОК MOISTURE 
Dices Fahrenheit) BUSES 
E E ae p 
Е 5 © 82 5 l. CHARAC- 
DAY Е Во Бо ДЕ = 5 ТЕК ОЕ 
9 zs |28 |9883 5 | в. DAY 
Pe са од орд "DE ы да 
УЕ ВЕ |288 | 285 | Ses] 2 | es 
S|] 8) SS | sae | sac | see] E | & 
ЕЁ л ЖЛ 14.4" е z 16 
1171 | 47 | 59 | +9 5 42 .00 | 10.5 100 | Clear 
2167 | 51 | 59 | +10 2 00 1 19.1 100 | Clear 
3 |66 | 48 | 57| + ( 3 ‚00 1.2 12 | Pt. cloudy 
4 |79 | 60 | 70 | +22 6¢ 5: ‚00 7.4 71 | Clear 
5 |79 | 59 | 69 | +21 7¢ 74 .00 | 10.4 | 100 | Clear 
6 14:76 |-56 | 66. | +1 76 ‚00 10.4 100 Clear 
15 | 59 | 67 | +20 71 1 .00 | 10.; 100 | Clear 
EI71153 11 +16 76 - .( 1.4 14 | Cloudy 
9 | 56 | 44 | 50 | +4 9 29 .10 7.4 Сеаг 
0 | 67 | 44 | 5 +11 64 47 .00 | 10.2 100 | Clear 
62 | 4 - +7 90 56 .00 | 10.2 100 | Clear 
2-1-57:1-29 |-4 +4 89 7 ‚00 6, 64 | Cloudy 
3|39|22|30| —14 | 9 76 4 0.0 0 | Cloudy 
4 | 29 МЕ --21 54 ‚00 10. 100 | Clear 
5 1-34 | 20 | 2 —16 1 41 .00 10.0 100 | Clear 
6 | 53 | 25 | 39| —4 43 .00 [10,0 | 100 | Clear 
7148 |: 40 | — 2 | 46 ‚00 6.3 63 | Pt. cloudy 
811 4 — 2 f 39 .00 |10.0 | 100 | Clear 
9 | 68 | 4 - +13 ( 34 ‚00 9.9 | 100 | Clear 
0 | 68 | 44 |! +14 E 41 .00 9.9 100 | Clear 
49 | 36 | 4 +1 с 86 Т; 0. ( Cloudy 
2) 55 |4 50|-+9 77 93 1.29 0. 0 | Cloudy 
3153: |= 46 | + 6 89 70 ‚46 1. 1 Cloudy 
ee 34 | — 6 66 4 ‚00 9. 10 С1еаг 
4 { 34 | — 6 70 44 .00 8.4 8 Pt. cloudy 
Ж Бе. : 46 | + 6 5 : .00 9.8 10 еаг 
d Е 50 | +11 4 47 ‚00 6.0 6 Pt. cloudy 
ЗЕ 50 | 55 | +16 88 79 .00 1.3 1: Cloudy 
ща 46 |: +12 9 41 ‚00 9.1 100 | Clear 
) 36 |146| + 7 66 28 ‚00 9.6 100 Clear 
parently healthy stage, while the young leaves show but a 
slight venation and are nearly healthy. It was impossible to 
keep the temperature of this room down to 45° Е. during and 
after the early part of March, and it occasionally reached 
