302 BOTANICAL GAZETTE. | November, 
Trifolium pratense in this vicinity in great abundance and is doing much 
It seems to be most abundant in the aftermath, though it is not 
confined to the clover of meadows. In many instances the rust ‘is so 
abundant that the clover leaves are half or more dry and dead. I should 
say the damage would vary from 5 to 20 per cent. of the value of the clo- 
ver. So faras I know, the parasite has never been reported on T. pratense 
from this country before, though it is known in Europe. (Cf. Winter, 
Die Pilze,i, 159.) Two years ago it was abundant here on T, hybridum, 
but this year it seems to have changed to the red clover. T. hybridum 
is also a flew host for America. Uromyces medicagenis-falcatx (DC.) Wint. 
on Medicago lupulina has been abundant here every year since 1883.— 
Lucten M. UnpErwoon, Syracuse University, Syracuse, N. Y. 
Diewcism in Andropogon provincialis.—The Iowa experiment station 
has been collecting seeds of some of the native prairie grasses for the pur- 
pose of testing their value under cultivation. The one regarded as of 
others, and so different that they seemed to be a distifict variety. The 
_ Spikes of these plants proved to be well filled with seed. After this it 
was seen that wherever Blue Joint was found a small proportion of the 
plants were of this form. The spikes of these fertile plants ripen and 
break up earlier than those of the sterile plants. Not all of these, however: 
__ have the heads well filled with seed. The sterile plants have conspicuous 
_ stamens with abundant pollen, and also large fully expanded stigmas. 
The division into staminate and pistillate plants is perhaps only partial. 
_ Circumstances did not permit a more extended examination at the time, 
___ but plants of each form have been marked for future study. It would be 
well also for others conveniently situated to take notice regarding this 
feature. If it shall prove to be a permanent habit of tiis grass to have 
___ but few of the individuals fertile it will be a serious difficulty in the way _ 
Of its profitable cultivation.—A. A. CROZIER, Ames, " 
EDITORIAL. 
THE ED1ToR of Grevillea, in the September issue of that journal, a 
cuses “some of the junior mycologists of the United States” of “ commit- 
ting a dangerous mistake” and of indulging in “spread-eagleism ” r egard- 
Ing the identity of certain type specimens. Dr. Curtis collected the series 
ungi known as Herb. Curtis. The descriptions of the new species were 
drawn up by Rev. M. J. Berkeley, of England, and published under 
the joint authority of Berkeley & Curtis. Now some American 
