1921] 
WEBB—GERMINATION OF SPORES OF CERTAIN FUNGI 317 
alkalinity, on the other hand, relatively low percentages of 
germination are obtained in most cases. Some detailed dis- 
cussion is needed in order to compare adequately these results 
and at the same time to consider the work of others. 
400 
8o 23% 
3 Xn tape mirae r 27'e, 
3 ^ Ls» 
È éo L -: f~ 
L4 
È j x US 
/ hn E TES -a i 
v E [ Bir A p a 
" i \ 
$ : "s M Y 
n E \ 
i P “ / ——— N v 
bas . 
4 \ iR 
L| ` ‘N 
i \ E 
6 ! 2 3 4 s é 7 8 9 10 
Fig. 13. Penicillium cyclopium in M/5 mannite solution. 
From my results, B. cinerea may be regarded either as extremely 
sensitive to active alkalinity in solutions of mannite, Czapek, 
eo D ~x N 
$ ^ wo ae 4 
§ 4n PLA / MeF KS A 
ov ai mc um 
$ d / NS: E * X ‘ 
/ , E vw 1 
/ / x d N \ 
Yous if ere, ` 
TY 7 1 xy M ` 
F4 / r 23e SN 1 
4 
S / / 27% M \ 
$us L Joe \ 
av H ` 
1 
N Ey M 
" á 
"t 2 3 + sz 6 7 8 3 Ld 
Fig. 14. Penicillium cyclopium in 2 per cent bacto-peptone solution. 
peptone, and “water H,PO, and NaOH" and to a less degree 
in beet decoction and ‘‘ water HCl or KOH, 
” or else as manifest- 
