(Vor. 8 
320 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
mannite are consistent with those previously published by the 
writer. 
as cue | 
t 80 Ea x 
X l 15e 
t | A ----—|-—ae 
a 1l ~ itus cane MAR 
$ | / NS 
* * N 
NAD 
ave H EY 
l \ 
$ ü Y 
Q* 20 P N 
+ \ N 
| A 
/ 2 J 4 s 6 7 8 3 4o 
Fig. 18. Penicillium italicum in 2 per cent bacto-peptone solution. 
The spores of P. cyclopium germinated under conditions very 
similar to those described for B. cinerea and A. miger, but a 
tendency is manifested by these spores to germinate more freely 
's*c 
E ----4- 2c 
E - 3 26°C 
l| TS 
No H t ASSI ns 
` ~ A” 
v / "RE » Le" N 
E) í nr E ovr JAS. 
§ 20 x 
E NV N 
l, . 
| / NL 2 
Ay, t 2 3 4 F 6 7 8 3 10 
Fig. 19. Penicillium italicum in Czapek’s full nutrient solution. 
under neutral and slightly alkaline conditions. Two maxima, 
one from Py 3.0 to 4.0 and the other about Pu 7.0, frequently 
appear. Of all the forms which he studied, Clark found Peni- 
cillium glaucum the most resistant to acids and alkalis, as well 
