118 REPORT OF THE BOTANIST OF THD 
of the Rhizoctonia stem-rot of carnations. The leaves had a 
sickly, yellowish color and were perfectly limp. The main stem 
and its numertus branches were soft-rotten at the surface of the 
soil, so that when an attempt was made to pull an affected plant 
it broke off readily at that point, leaving the main stem in the 
ground and many separate branches in the hand. The basal 
portions of these branches were disintegrated, the wood ele- 
ments being separated: from each other as if the tissues had 
been macerated. } | 
The rotting stems contained an abundance of Rhizoctonia, 
various other fungi and nematodes, which latter are of course 
expected to occur in tissue so much decayed. Although not yet 
tested by inoculation experiments, the indications are that 
Rhizoctonia killed the plants. 
It is of interest to note that the plat in which the plants were 
growing had been planted with carnations in the season of 1899, 
and they are said to have suffered considerably from Rhizoctonia 
stem-rot. 
on Coreopsis lanceolata. 
Next to the plat of Sweet Williams above mentioned there 
were two rows of Coreopsis lanceolata which, so the owner in- 
formed us, had been considerably diseased during the summer. 
Only a few of the plants were killed outright, but from many of 
them the lower leaves had rotted away. ‘The rot seems to start 
in the base of the petiole where it comes in contact with the soil. 
The decaying leaves were overrun with Rhizoctonia, but what 
relation the fungus bore to the disease can only be conjectured. 
ON THE VIOLET, 
(Viola odorata.) 
In October, 1899, two diseased violet plants were sent to us 
from Little Falls, N. Y. Both of these plants showed Rhizocto- 
nia, leading to the suspicion that violets also are attacked by 
this fungus; but when a personal examination of the afflicted 
violet house was made, not another case of Rhizoctonia could be ~ 
found. The trouble was caused by Glwosporium viole. More- 
