100 THE JOURNAL OF BOTANY 
from Frets ia and I saw it again (still more abundantly) at the 
same place on 18th June 1914. Some specimens gathered at 
Waliintikiiers on this date I exhibited before the Linnean Society 
on December 17th last, when a good deal of interest was shown 
inthem. Asa result, I have been favoured with much additional 
er, I have since seen the gall in not a few other 
localities. In several cases, I have seen it from the windows of 
rering & trains, so prominent are the brooms after the leaves have 
fallen in autu wae 
Ta kin rn first, the north side of the Thames (which includes all 
the localities pond above): I may record having seen witches’ 
all in the same county; as also is Leytonstone, where Miss G. 
Lister has observed brooms in sania quantities 
urning next to the county of Middlesex, it is strange to have 
to record that a tree thickly covered with brooms grows near the 
eastern end of Red Lion Square, ae pra fact kindly pointed 
out to me by Mr. Hugh Boyd Witt. Mr. William Cole informs 
me that, within the last year or two, he has seen specimens of the 
gall from Hornsey. At Highgate, Park Watt informs me, it has 
striking abundance has naturally excited a good deal of interest 
ng .the members of the Hampstead Scientific Society, whose 
ubtenticn was drawn toit by Mr. Watt and Mr. James Burton at one 
15th February, additional information was imparted by Mr. Watt, 
who has taken much interest in the appearance of the broom, and 
has submitted enieerns to the authorities at. Kew and to other 
botanists. He has also published a brief article = it.* Iam 
indebted to him for much kind help and eS 
As to the southern side of the Thames; Mr. ae Step 
informs me that he has i the i granein ‘of the gall Fay to 
rom various places in the northern part o oF 
30th October last I saw it in very = at abun janetiedh y, so 
scores on each tree—on a large of willows growing nd 
the ger and elsewhere at Eltha 
It will be found on investigation: that all —_ localities, with 
one exception, lie within a radius of little h 
miles round London, the furthest oid being sale Harold 
fifteen or sixteen miles from the City. The one locality named 
* Trans. Roy. Scott. Arboricultural Soc., xxix. pp. 115-116 (1915) 
