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(Crown Copyright Reserved. 
ROYAL BOTANIC GARDENS, KEW. 
BULLETIN 
MISCELLANEOUS INFORMATION, 
No. 5] - ; | (1916 
XXII.—A PHOMA DISEASE OF LAVENDER. 
STUDIES FROM THE Paruotoarcat, Lasoratory: II. 
Witiram B. Brierey. 
(With Plates.) 
silvery flakes. The leaves on a diseased stem preserved their 
normal appearance for some time and then somewhat ra idly 
plant above the dry discoloured areas died. This is a not 
co 
A careful examination of a diseased shoot showed that the 
shrivelled portion of the stem under the flaking epidermis was 
studded with very minute blackish-brown points which proved 
to be the pycnidia of a fungus ramifying in the tissues. This 
fungus was identified as Phoma lavandulae, Gabotto, a species 
hitherto unrecorded in England. ; : 
The only other determination of this fungus is that of its 
original discoverer, who gives the following description of it. ~ 
Phoma lavandulae, nov. sp. ce 
" Picnidiis corticalibus, solitaris, lenticularibus, prominulis 
atris. Basidiis hyalinis, acicularibus 12-14 » long. Sporulis 
fusoideis, 2-guttulatis, hyalinis, 4-2 p.’’ 
_ “In ramis Siccis Lavandulae officinalis Chaix. Mirabello 
In Pedem.’’* 
As this description represented our knowledge of the fungus, 
ho figures having been published, and as the fungus was sus- 
iin reappear eee one 
* Dottore L. Gabotto. Contribuzione alla Hope Micologica Pedemon- 
1905. 
tana. Nuovo Giorn. Bot. Ital., vol. xii., p. 69. 
(4427.) We. 74-728. 1,125. 6/16. J.T.&S., Ltd. @ 14 
