1909] 
STEVENS & HALL—VARIATION OF FUNGI 
C. Measurements of spores from different media 
Pure agar. 
in appearance and size. 
M= 2.6241 +0.0313 
T= 0.535410.0221 
C. V.=20.402 +0.878 
The pycnidia on this plate 
were very scant, although they were normal 
N=135 
HERSR RBS SS 
PCCEEErTE Le 
KSEE a 
SRSS55 Co 
CoCr Tree 
HSQaey 
Coe 
nEEEaS 
Sanne 
+++ 
ceuces 
2 
3 4 5 6 7 
Fic. 25.—Ascochyta Chrysanthemi Stevens. 
0.25 percent: 
Polygon of spores from CB/ 
sodium asparaginate. 
ERRSS BEDeRS 
a ERRRER 
a Ao 
a GaEES. 
2 anaeEe 
—-- p++ pg 
—+ BaBeeE 
Hl H 
2 3 4 
G. 24.—Ascochyta 
Chrysanthemi Stevens. 
Polygon of spores from 
e agar. 
CBA+0.25 per cent. 
dium asparaginate. 
SO- 
M= 3.5637+0.0358 
= 0.7579+0.0253 
CV. 25.207 (0-725 
N= 204 
CBA-+ sodium asparaginate 
+starch. 
M= 5.4267 +0.0355 
o= 0.7896+0.0251 
C. V.=14.551 40.450 
N= 225 
’ Polygon 
| eae 
i--) Oe 
Hi 
3 
Fic. 26.—A scochyta Chrysanthemi Stevens. 
dium 
of ‘spores from CBA+so 
asparaginate + starch. 
