1909] STEVENS & HALL—VARIATION OF FUNGI 
29 
DIPLODIA MACROSPORA EARLE cc 
. . 7 — a 
Spores of this species, isolated from Cort 
corn, were grown upon pea agar. HoH 
M= 24.362+0.176 Coe HH 
Siecee i 
O= 3.1790+0.124 ooo = 
Lhd = 
C. V.=13.050+0.519 -2 o 
= 
N=149 - 
15 30 
Fic. 34. — Diplodia 
Poly- 
macrospora Earle. 
gon of spores isolated from 
corn and grown upon 
agar; measurements 
Po pea 
Cee showing length. 
FH an M= 2 e +0 5 Be 
Co 3-259529-43 
HHH o=0.2727+0.0096 
oC. V.= 8.367 409.297 
x n= 183 
ee ae 
Fic. 35.—Diplodia mac- 
rospora Earle. Polygon of 
spores isolated from corn 
a A SEE 
Coo 
Teer Let 
VOLUTELLA FRUCTI S. & H. 
M=8.27+0.0276 
go =0.5778+0.0195 
C. V.=6.986+40. 237 
N= 200 
Fic. 36. ey “olu- 
and grown upon pea agar; tella fructi S. & H. 
measurements showing Polygon of spores 
thickness showing width. 
H 
H The last five polygons are without 
hs 8 10 particular significance and serve only 
Fie. 37. Fe iit fructi h ew “ SE 
S. & H. Polygon of spores show- to show the variation encountere 
ing length. 
these forms. 
