4 BOTANICAL GAZETTE. [ January, — 
germs. It gives me a curious sensation to look at one of. 
these little test-tubes half filled with a harmless-looking jelly, — 
and to think what a tremendous amount of destruction is— 
locked up in this same apparently innocent little vessel. 
rint room, O, has its walls painted black, and is ar- 
ranged so that all light can be excluded, and here experi- 
ments are conducted that must 
be carried on in the dark. 
Opening from G is a small 
green-house where plants are 
kept that it is wished to have 
ready at hand. The two 
rooms, Z and A, are occupied | 
by Pfeffer as his private labo- 
does not forget that he has stu- — 
dents in the laboratory, and 
usually makes two or three 
rounds a day to see how work 
progresses and give necessary 
IN THE GARDEN, help and suggestions. His in- 
i variable question, ‘‘/Vaben Sie 
was gefunden?”’, grows a little monotonous sometimes, aS 
one can hardly be expected to find something new two or — 
a 
y 
7: ~ . . . : . 
ee ee 1s assisted in the direction of the laboratory by Dr. 
ebs. Hegelmaier, the assistant professor, has no work in 
nae eee story and I have seen very little of him. | " 
ent high rank, and the present incumbent is no unworthy 
successor of his illustrious predecessors ett 
Tubingen, Germany. 
. 
