48 
from June to August, somewhat rarely, and is made by nario 
callidoma, Giraud. "The spring form of the gall, formerly know 
as Andricus cirrhatus, Adler, which occurs in cottony groups dm 
the catkins, has not been observed at Kew 
Terminal buds transformed into oval green galls, 25 to 3 lines 
long, pate spotted with white. It occurs in May and June, and 
hl. : 
is ma My t albotihictaás: Sel 
Terminal buds transformed into brown, AOSE obtuse 
galls, bemi l to i lines long, made by Andricus autumnalis, 
i xamples are preserved in the Kew Medi ich 
artig. wh 
were collected at Kew, in the autumn of 1876, by the m 
Miss merod. The spring form of the gall, formerly 
known as Andricus ramuli, L., which occurs in crowded cottony 
masses on the catkins in June, has not been observed 
ommon marble gall, which takes its name from its 
Mam URA to a marble in shape and size, is generally common 
in autumn, and persists on the branches. The galls are trans- 
formed terminal or lateral buds, and are made by the insect 
known as Cynips Kollari, Hartig. 
Leaf galls. On the veins, situated between two brown scales 
occur ngn oval smooth and brittle galls, about a line long, pale 
green o r yellow, with isl red spots. It occurs commonly i 
autumn, and is made by Andricus ostreus, Giraud. It is believed 
that the bud gall known as Spathegaster s pie c is the spring 
form of this gall, but it has not been observed at Kew. 
The gall of Andricus curvator, Hartig, mentioned above as 
ese on the buds or young shoots, also occurs on the petioles 
and nerves of the leaf. 
On the midrib or principal veins, occur large globular thick- 
walled galls, 4 to 6 li ines in diameter, which are soft and fleshy 
when fresh, nd ellowi sh-green or red on one side. It is made 
by Dryophanta folii, L . (D. scutellaris), and is fairly common in 
autumn. The spring form , Which occurs on buds, and is much 
smaller, velvety, and purple in colour, has not been observed at 
Kew 
On the midrib and principal veins, occur small naked and 
shining galls, 2 to 2 lines in diameter and d ee depressed, 
pale yellow and more or Jess red on one sid hey made by 
about 2 lines long, broadened above, yellowish green or reddish, 
dotted with white, has not been observed at Kew. 
Nearly allied to the two preceding, is a gall 24 to 41 lines in 
diameter, pale yellow or banded or suffused with red m pu EUNDI 
side; the skin is rough with small protuberances. 
autumn and is not rare. It is made by Dryophanta palio IER 
Harti The spring form, which is aplong, l line pev. gresnish 
and covered with white hairs, has not been observed a 
The silk-button gall occurs gregariously on the under surface 
of the leaf, between the — It takes its name from the shape, 
being circular, thick, and depressed in the centre, and covered 
