BOOK-NOTES, NEWS, ETO, 47 
8 
remark applies to a specimen collected by Banks and Solander at 
Totaranui in 1791, and also preserved in the National Herbarium. 
effected by the enzyme of Nepenthes, the President had come to the 
Conclusion that it was not peptic, as had been supposed, but essen- 
tially tryptic. This conclusion has recently been called in question 
by Clautriau (Acad. Roy. de Belgique, 1900), who re-asserts the 
5 character of the enzyme. By means of the tryptophan re- 
action 
tion, Dr. V 
View that the enzyme is tryptic. The tryptophan-reaction has also 
juee, papain, figs, ger ating b c. It seems probable, 
therefore, that proteolytic digestion in plants is always tryptic,— 
t there is, in fact, no peptic enzyme in pla ut there is this 
W. . 
Nepenthes should be termed nepenthin, as that of the papaw is 
termed papain, i 
Ch, On the same occasion a paper was read on behalf of Mr. T. F. 
“seman, F.L.8., on the Flora of Rarotonga. Mr. Cheeseman 
