1921] 
ARMSTRONG—SULPHUR NUTRITION IN THE FUNGI, THIOSULPHATE 263 
composition of the solution was as follows: NH4NO; M/1, 6.2 cc.; 
NaCl M/1, 2.4 cc.; KH,P0, M/1, 2.5 cc.; MgSO, M/1, 1.0 cc. ; FeCl, 
M/1000, .5 ec. ; sucrose M/1, 7.3 ce.; water, 30.1 cc. 
Ory wt. P C c. 
coms . lodine 
S 1 
Pa 
100 : 7 " 
L 
/ 
/ 
/ 
80 N E: E be: 
60 L jan 
19 
ay he 
20 4 
/ 
/ 
/ 
b" aes 
/ 
25 ene » 
6 
^ 
0 4 
Fig. 9. Botrytis cinerea on solution of initial Pg 4.5 containing thio- 
sulphate. 
