British Uvedinee and Usttlaginee. 
red by Wolff to be quite useless. With regard to 
perature, a series of experiments made by Schindler * 
vs that the teleutospores of TZ. ¢v7tic¢ will withstand a 
heat of 65° C. before altogether losing their power of 
iination ; but with moist heat they were sterilized 
reen 45° and 50°C. Cold, on the other hand, had little 
t upon them, even after exposure to —20° C. for a 
onged period. 
ichindler, ‘‘ Ueber den Einfluss verschiedenea Temperaturen auf die 
ahigkeit den Steinbrandsporen,” “ Forschungen auf Geb. der Agrikultur- 
:. bd, iii.” (1880), pp. 288-293. 
