96 BOTANICAL GAZETTE [ AUGUSI 
Material was obtained from tomatoes of the yellow variety 
growing in the Cornell University gardens, answering in general 
to Chester’s description, with the exception that the setz are 
sometimes absent, and the basidia are rather longer than the 
measurements given in the original description. The colonies 
are quite different from those of the Gloeosporium on tomato, as 
well as from those of Col. lagenarium. There is a scant develop- 
ment of decumbent, spreading mycelium, with a strong tendency 
to concentric markings in the growth, where the mycelium is 
more erect and in tufts, surrounding black, spherical perithecia- 
like bodies which produce long sete. These, so far as has yet 
been determined, are sterile. The conidia formed freely on the 
mycelium do not mass up in large heaps. Toward the margin 
clusters are formed of knotted and swollen mycelium bearing 
quantities of dark colored buds or gemma. These lie quite 
close together, but are more or less distinct. They resemble 
the colonies of the Volutella on citron in this respect. On 
bean stems very little mycelium is developed, but the stems 
are plentifully covered with black spherical or hemispherical 
pustules, which bear long sete. In some of these bodies sete 
are absent. These bodies seem to be sterile, like those des- 
cribed in the colonies on nutrient agar. On the surface of 
the infusion a light colored mycelium forms a thick compact 
mat which does not have a flocculent appearance. but which 
is rather smooth and shining, and shows white compact aggre : a 
gations of threads which with age turn black as those on the 
stems. ; 
Another Colletotrichum was found on muskmelon, which a 
from the similarity in artificial growth developments was referred ae 
to this species. 
Volutella viol, n. sp. (figs. 22-23, 85-89); on violet (Vial 
cucullata) . ; a 
ny 
The Volutella on the violet is manifested on the leaves 
the host by pale brown patches surrounded by a dark : 
margin. In the center of the spots the black pustules of the : 
fe 
prow! 
