CURRENT LITERATURE 243 
tea) 
which the hereditary character of the male gametes has an influence outside of 
tither embryo or endosperm, in the seed coats and fruit.— E. B. COPELAND. 
__‘Tue effect of various kinds of nutrition on the formation of enzymes has 
os bie achaty considered by Went in experiments on Monzilia sttophila.™ 
_ This fungus he had previously studied in Java and fully described in Cen- 
o traiblait fir Bakteriologie 72:1901, where also he discusses its culture in 
relation to different foods. It may develop ten different enzymes, all except 
trehalase formed in the culture fluid (though not all under like conditions), 
from which they may be precipitated by alcohol. They are malto-glucase (as 
s Went prefers to name the enzyme which changes maltose into glucose), 
trebalase, taffinase, invertase, cytase, diastase, lipase, tyrosinase, lab enzyme, 
_ ‘nd trypsin. No retardation of the formation of the enzymes by the products 
ping activity ald be observed in maltoglucase, invertase, diastase, or 
i ‘The table below i is an attempt to show diagrammatically the influence of 
the various materials upon enzyme development. More minute details as to 
kinds of food tested must be sought in the paper itself. The sign + 
ws that the enzyme is formed with this food; the sign O, that it is not; 
that dese was not ermented. 
ea that j in the same plant the different enzymes are are affected. 
eerent foods. The danger of generalizing too widely from 
‘yet asc : also 
f _ Dede: den Einfluss der hee at de Enz mbi 
ene Jahrb. Wiss. Bot. 36: ane 1901. 
