26 _ The Botanical Gazette. 5 [January, 
Cydonte Sacc.)?; the ripe rot of the quince (Giaaspeae 
Sructigenum Berk.), and the quince blotch, due to a ee 
the life history of which is not yet worked out and whose a 
i bscure. 
The black rot is the same as that of the apple and the fact 
that this was unusually destructive seems due to there pei 
large apple tree among the quince trees with the groun 
beneath it covered with fruit decaying with the spharop a 
The pale rot may prove to be a new species, as Phoma Cy me 
tae Sacc. has a very incomplete description and is recor le 
only for leaves. By inoculations it was shown that the ie: 
rot is the same as that of the apple and grape, namely, 
Gleosporium Jructigenum Berk. These various decays were 
ographed. 
cat He D. HALsTED: New Fersey Peronosporee.—After 
recording the substance of the field notes made upon the — 
ious species, stress was laid upon the fact that during the — 
autumn months, which were unusually dry, there was more : 
than the ordinary amount of the members of the genus Cy 
pus. While the peronosporas prefer a wet season, the white — 
moulds seem to thrive best when the weather is dry. Ina” 
further study of the methods that these mildews have for ge 
ing the winter, it was found that some species grow meee : 
fruits of the host and doubtless, asin Tpomea hederacea, the fila 
ments penetrate the seeds, and when the latter germinate a 
parasite develops with the host. Large numbers of se 
young seedlings badly affected in the cotyledons, and roots — 
even, were taken. 
ta 
The importance of making field notes upon the prevails : 
parasites extending over many seaso . 
of particular fungous 
was urged in the paper. 
"BYRON, D. Harsren: 
lection of weed seeds then 
hibited, for an account of 
culture of Pammel’s 
what is commonly called « 
pus nigricans, Fusarium, a 
Weed seeds.—Samples of a col- 
being made by the writer were eX- E 
which, see this journal, xVII, 427- : 
GEORGE F. ATKINSON: Oy amethod of obtaining a pure 
Sungus of Texas root rot of: ils 
Printed in full in this issue. 
a 
ta 
