123 
and Calluna, and on each of the others but a slight growth was 
obtained, This appeared most promising on Salvia, Vinca, 
t 
growing mycelium with a little mush were then placed on 
wounded and unwounded surfaces of the suitable plants. No 
It would appear, therefore, that the fungus is athogenic 
to the genus Lavandula, and probably confined to this genus. 
8. Shoot of Lavandula officinalis infected at K, with pycnospores and at K 
. 
with thick-walled brown conida treated with gastric Juice. oot drawn 
Relation of Fungus to Tissues of Host.—The fungus is 
Primarily: found in the stem tissues of its host. Rarely the 
leaf shows infection distinct from its supporting stem, and this 
