1921] 
ARMSTRONG—SULPHUR NUTRITION IN THE FUNGI, THIOSULPHATE 267 
experiment 20. The different relations of the fungi to the 
changes produced can be seen in table xv and figs. 19, 20, and 21. 
In comparing these results with those in experiment 18 where 
the same amount of sodium hydroxide was added to the thio- 
Dry wt. P te 
cgms. H lodine 
100 s y 2 
"og 
oe 
80 : 6 
60 10 
40 af 14 
A 
2 E B 
f a = 
P | 
P 
P s 
0 7 22 
o 4 12 16 
Fig. 12. Botrytis cinerea on solution of initial Pa 5.9 containing 
thiosulphate. 
