90 E. L eick: Beiträge zum Wärmephänomen der Araceenblütenstände. 
Temperaturmessiingen an dem Blütenstande 
Ton Dieffenbacliia iinperialis Lind, et Andr. 
Die Beobachtungen fanden in einem Glashause bei schwankender 
Lufttemperatur statt. 
Beginn: 17. Sept. 1904, 11V2 Uhr vorm. Die Spatha war bereits völlig geöffnet. 
Tag 
Stunde 
Tempe¬ 
ratur 
der Luft 
Tempe¬ 
ratur d. 
Blüten¬ 
standes 
Diffe¬ 
renz 
Temp. in 
einem 
Stand¬ 
zylinder 
mit Oel 
Diffe¬ 
renz 
zwischen 
Blüte 
und Oel 
Bemer¬ 
kungen 
17. 
11 h 30 'vorm. 
20,80° 
21,95° 
+1,15° 
___ 
_ 
Sept. 
12 h mitt. 
21,15° 
22,60° 
+1,45° 
— 
— 
04 
mso' 
21,50° 
22,65° 
+1,150 
— 
— 
1 h nachm. 
21,20° 
22,45° 
+1,25° 
— 
— 
1 11 30' 
21,00° 
22,00° 
+1,00° 
— 
— 
2h 
20,20° 
21,25° 
+1,05° 
— 
— 
2h45' 
19,65° 
20,50° 
+0,85° 
— 
— 
4h 
18,00° 
18,50° 
+0,50° 
18,65° 
—0,15° 
6 h 25' 
16,55° 
16,75° 
+0,20° 
17,20° 
—0,45° 
8 h abends 
15,20° 
15,30° 
+0,10° 
15,90° 
—0,60° 
9 h 45' 
14,50° 
14,55° 
+0,05° 
15,00° 
—0,45° 
18. 
9 h vorm. 
16,90° 
17,45° 
+0.55° 
16,40° 
+1,05° 
Sept. 
10 h 
18,00° 
18,75° 
+0,75° 
17,20° 
+1,55° 
04 
11h 
18,60° 
19,60° 
+1,00° 
18,50° 
+1,10° 
12 h mitt. 
19,65° 
20,60° 
+0,95° 
19,50° 
+1,10° 
l h nachm. 
19,40° 
20,20° 
+0,80° 
19,70° 
+0,50° 
2h 
18,60° 
19,10° 
+0,50° 
19,20° 
—0,10° 
3 h 30' 
17,05° 
17,30° 
+0,25° 
17,70° 
- 0,40° 
5h 
16,10° 
16,20° 
+0,10° 
16,75° 
—0,55° 
6 h 
15,55° 
15,60° 
+0,05° 
16,10° 
—0,50° 
8habends 
14,10° 
14,15° 
+0,05° 
14,70° 
— 0,55° 
19. 
10hvorm. 
16,10° 
18,50° 
+2,40° 
19,70° 
-1,20° 
Sept. 
12 h mitt. 
18,95° 
19,80° 
+0,85° 
18,60 a 
+1,20° 
04 
1 h nachm. 
18,50° 
19,50° 
+1,00° 
18,90° 
+0,60° 
6h 
15,10° 
15,60° 
+0,50° 
15,10° 
+0,50° 
20. 
10hvorm. 
17,20° 
18,30° 
+1.10° 
17,50° 
+0,80° 
Sept. 
12 h 30'mitt. 
17,70° 
18,30° 
+0,60» 
17,90° 
+0,40° 
04 
2 h 15'nachm. 
17,70° 
18,35° 
+0,65° 
18,20° 
+0,15° 
5 h 30' 
16,30° 
16,40° 
+0,10° 
16,70° 
—0,30° 
21. 
11h 45'vorm. 
16,20° 
16,80° 
+0,60° 
16,30° 
+0,50° 
Sept. 
Ih45'nachm. 
18,30° 
18,95° 
+0,65° 
18,20° 
+0,75° 
04 
5 h 30' 
16,10’ 
16,10° 
+0,00° 
16,70° 
—0,60° 
22. 
11h 30' vorm. 
17,10° 
17,75° 
+0,65° 
17,10° 
+0,65° 
Spt. 04 
lhnachm. 
18,40° 
18,65° 
+0,25° 
18,50° 
+0,15° 
Die Blüte 
- 
beginnt zu 
i 
schimmeln. 
