189 
On Avena sativa 7, 1897 (King). 
Puceinia Polygoni-amphibui Per. 
Reported from Johnson and Putnam counties in 1893 on Polygonium acre, 
from Fulton and Wabash counties in 1893 on Polygonium Muhlenbergii, and 
from Tippecanoe in 1896 on Polygonium erectum. 
On Polygonium hydropiperiodes 10, 1897 (King). 
Puccinia podophylli Schw. 
Reported from Johnson, Monroe, Brown, Owen, Vigo, Putnam, Mont- 
gomery, Wabash and Dearborn counties in 1893, and from Tippecanoe in 1896. 
On Podophyllum peltatum 5, 1897 (King). 
Uromyces caladii (Schw.) Farlow. 
Reported from Vigo, Brown, Montgomery, Putnam, Monroe and Owen 
counties in 1893, and from Tippecanoe in 1896. 
On Arisema triphyllum 5, 1897 (King). 
Uromyces trifolii (A. and 8S.) Wint. 
Reported from Johnson, Montgomery, Putnam, Tippecanoe and Wabash 
counties in 1893. 
On Trifolium pratense 10, 1897 (King). 
The list of additional species to Tippecanoe county is small, only two new 
species having been found. 
Aeidium Lycopt Gerard. 
This species was found in swampy ground, and was quite abundant. The 
leaves and stems of the plant are covered with the eidiwm which eats holes in 
the leaves and destroys the host to some extent. 
On Lycopus sinuatis 6, 1898 (Snyder). 
Puceinia poarum Niels. 
Found abundantly in lawns. 
On Poa pratensis 5, 1897 (Snyder). 
‘ 
ASPERGILLUS ORYZAE (AHLBURG) CoHN. By KATHERINE E. GOLDEN. 
A. oryzae is a mould which is of much-practical interest by reason of 
its zymotic activity, since it secretes a diastatic ferment, and also for 
the claim which has been made that under certain conditions of growth, 
it is convertible into a yeast, and that, like most yeasts, it can give rise 
to alcoholic fermentation. It would constitute, in fact, if all claims made 
