GIANT BAMBOOS. 
239 
Giganfochloa. —In Table XII. records are given for seven 
days only. Average growth by day for No. II, 2*5 mm., for 
No. 12, 1*2 mm. per hour ; and by night No. 11, 6*2 mm., 
No. 12, 2*7 mm. ; here again the average rates of growth by 
day and by night are nearly as 1 : 3. 
The explanation of Table XI. applies to Table XII. also. 
Table XII. 
No. 11. 
No. 12. 
Date. 
Height. 
cm. 
Day. 
mm. 
Night. 
mm. 
Height. 
cm. 
Day. 
mm. 
Night. 
mm. 
Weather. 
June 14 
110 
2-0 
3*4 
64 
•8 
1*4 
Dull ; rain 
15 
119 
2-0 
4-6 
69 
•9 
2-4 
Dull ; rain 
Variable 
16 
130 
2*4 
6*3 
73 
1*1 
2*4 
17 
143 
4*7 
6-1 
78 
2*0 
2-4 
Dull ; rain 
18 
156 
3-1 
6-8 
84 
1*6 
3*1 
Variable 
22 
209 
1-6 
8-3 
107 
10 
3*4 
Morning sunny ; 
afternoon dull 
23 
212 
1-5 
8-0 
113 
•9 
3-8 
Morning sunny; 
afternoon dull 
4 .—Daily Period. Dendrocalamus. 
It will next be advisable to consider more in detail the 
course of growth by day ancf night. For this purpose 
hourly observations were made of the growth of culms o 
Dendrocalamus on June 22-23 and again on June 29-30 in 
connection with notes on the state of the weather. 
Table XIII. shows the hourly growth in mm. of Nos. 1 
and 2 from 3.30 P.M. on June 22 to 11,30 A.M. on June 23. Both 
before and after this interval readings were taken every two 
hours, bringing up the total period to one of 36 hours 
extending from 7.30 A.M. June 22 to 7.30 P.M. June 23. The 
curve of growth is shown in fig. 3, PL XXI. 
Time. 
Table XIII. 
No. 1. No. 2. 
Weather. 
9.30 A.M. 
3*5 
3*5 
Dull 
11.30 „ 
3 
2 
... Brighter 
1.30 P.M. 
25 
4 
Showery 
