86 
Apart from this material I possess numerous other notes about 
the growth of buds, which I look upon as less reliable, as their 
development might have been hampered by clearing the ground 
around them, cutting of some trees in the neighbourhood and 
in some cases removing buds or flowers for examination. I there- 
fore do not publish them, though I will use a few of them in 
the following tabulation, expressly marking them as second class: 
Based upon my material and my experience as a whole I 
make the following statements as tothe duration of the develop- 
ment of the Rafflesia buds, observed by me: 
A bud with, a diameter of 3 cM. 
I suppose to be 3 to 4 months old se 120 ¢. 
The diameter of a bud was on 31/3 3 cm. on 
16/4 4 cM. (sec. class) = 16, 
that of another on 18/4 4 cM. on 16/4 5 cM. (sec. class) = 29 , 
on ; » 21/35 cM. on 27/4 6 cM. (sec. class) = 27 , 
oS ‘ » 10/5 6 eM. on 3/6 7,5 cM. ae 20 
a. % , 10/5 7,5 cM. on 3/6 9 cM. = 2D g 
aes , 16/3 9 cM. on 31/3 10 cM. S eee pe” 
ss , 29/3 10 cM. on 31/3 10,5 cM. 2G 
Sea ,.~ » 12/3°.10,56 cM. on, 31/8 13.0M. ...- 20 5 
oe s , 19/4 18 cM. on 3/6 15,5 cM. = AQ, 
ee ‘ » 15/415 cM. on 3/6 22 cM. (sec. classy = 48 , 
ae Es , 11/8 22 eM. on 26/8 == 215, 
Total. . eve Gs 
In reality the duration will not prove to be as long as 399 
days, which is already indicated by the fact, that the bud, 
which on 31/3 was 12 eM. across, was found on 14/7 to have 
reached maturity already some time previously. Unfortunately 
I am not able to give the exact date, on which that flower 
opened, but we will make no great mistake on allowing it to 
have been the 30/6. Then we would get a time of development 
from the stage of 12 cM. across to the stage of flower of 91 days, 
and the total period of growth would be reduced to 378 days. 
No doubt this figure is still too high and would become sub- 
