May 16, 1921 Glucose as a Source of Carbon for Storage-Rot Fungi 195 
Table II .—Amount of glucose remaining in the solutions at the end of the experiments 
[Expressed in grams] 
Series. 
No. 
Percentage 
of dextrose 
by weight. 
Solution. 
Fusarium 
acumin¬ 
atum. 
Diplodia 
tuber icola. 
Rhizopus 
tritici. 
Mu cor 
racemosus. 
I 
f Control. 
O 
O 
O 
O 
O 
\ Inoculated. 
O 
O 
0 
O 
II 
\ Control. 
14- 54 
12. 80 
14. 26 
I.79 
28. 84 
22. 25 
44. 14 
36- 75 
63.80 
62. 57 
8 5- 34 
8 5- 2 5 
104. 92 
12. 96 
12. 33 
23-39 
26. 94 
22. II 
14- 34 
7. 60 
30. 40 
24. 00 
46. 69 
40. 71 
64.85 
61.43 
84. 27 
84. 29 
106. 84 
10 
\ Inoculated. 
III 
f Control. 
29. 48 
27.69 
45- 50 
43- 7 8 
63. 48 
62. 34 
81. 32 
82. 38 
io 7- 35 
20 
[Inoculated. 
IV 
(Control. 
30 
[ Inoculated. 
OO’ XA 
42.89 
36. 40 
60. 09 
41. 82 
78. 74 
IOO. 90 
V 
|Control. 
40 
\lnoculated. 
VI 
f Control. 
50 
[ Inoculated. 
VII 
60 
f Control. 
\ Inoculated. 
Series 
No. 
Percentage 
of dextrose 
by weight. 
Solution. 
Sclerotium 
bataticola. 
Penicillium 
sp. 
Botrytis 
cinerea. 
Spltaero- 
nema fim- 
briatum. 
f Control. 
O 
O 
I 
O 
[Inoculated. 
O 
O 
II 
f Control. 
14. 48 
3* 19 
29. 68 
21. 16 
45- 45 
40. 13 
62. 93 
60. 74 
79. 62 
79-25 
12. 11 
* 3 - 73 
13- °4 
29. 10 
27. 28 
46.14 
13. 6l 
L 3 - 53 
28. 21 
28. 48 
4 i- 34 
41. 28 
IO 
\lnoculated. 
x O m i * 
4 - 53 
28. 89 
11 11 
III 
f Control. 
20 
[Inoculated. 
IV 
f Control. 
^o- 0/ 
45-44 
36. 22 
63- 3 ° 
S 3 - 2 9 
84. 04 
77. 64 
105. 96 
IO4. 62 
30 
\ Inoculated. 
V 
40 
f Control. 
41. 
63.62 
62. 99 
84. 05 
\ Inoculated. 
VI 
50 
f Control... 
\lnoculated. 
VII 
60 
f Control. 
\lnoculated ... 
Prom Table II it is seen that in no case was all the sugar used up, al¬ 
though the total amount remaining in some cases was small, Diplodia tu- 
bericola , Sclerotium bataticola , and Penicillium sp. being the heaviest users. 
TOTAL, AMOUNT OF GLUCOSE PRESENT AT THE BEGINNING OF THE EXPERI¬ 
MENTS 
In order to determine the amount of glucose utilized by the different 
fungi it was necessary to calculate the total amount present in each flask 
at the beginning of the experiments. Data for making these calculations 
were available, since the total amounts of glucose in the controls were 
the same at the beginning as at the end of the experiments and the con¬ 
centrations of the sugar in the inoculated flasks and controls were origi¬ 
nally identical. 
The figures in Table III show the total amount of glucose present in 
the control at the beginning of the experiment and the average amount 
