140 BOTANICAL GAZETTE. [ May, 
ties, ee formed after the leaves aret s 
_ direc dependent upon light, the p Ee 
sd rg hi is shown that calcium 
mule ih ecan i j 
cited, 
ased ati and its formationi ‘eer 
c 
nts grown in calcium-free solutions accumulated 
rate the tissues in which it is ordinarily coa- 
free from ite “Moreover, under these con- 
| large leucoplasts, 
thered about t them, while the gree n cells below 
e 
wR gene eee 
ion of prote.d by fungi militates against 
8. The nitrogen. assimilation of fi ungi, he says, appears to 
upon entirely different chemical process from those in green 
RL DUNNES BERGER has Poviishad’ an account of his critical re- 
€s upon the saerening of bread dough. The paper is a long and 
ae . : te) 
S 
= 
schmann’s 4 ape: d on some Sindee saccharomycete- 
ee wks TRELEASE Will sail for Europe early in June. 
mt th E has been appointed ‘ nee ea of 
y: Hp satporstion of Harvard ‘Univer, 
2 a 
_ ms ange tera a ing bine Bac Pipa hom rig unter 
rey ts dough fee ioe a “os aay Wekesnen Ursachen ye 
an extract of hops or pire baking to another, either with or without the addition 
: oo 
: Dr. @ 
Natural en? 
% 
