DISEASES AND OTHER ENEMIES. 303 
its bulbs; a rust, Puecinia gladioli, Cast., upon the 
leaves, and several blights; as, for example, Spherella 
fusca, Pass., upon the foliage. Enough has been given 
to show that the bulbous ornamental plants are not 
exempt from the fungus troubles that other cultivated 
plants are heir to. 
Returning now to the Lily Disease so called, we find 
it an old destructive enemy. It has been studied exten-— 
sively by H. Marshall Ward, who gives it a whole chap- 
ter in his work upon Rr a 
‘Diseases of Plants.” ie 
The same subject was 
investigated by Mr. A. 
S. Kean, formerly a 
student in my labora- 
tory,in Bermuda, where 
the growing of Lilies 
is a leading industry, aus 
and the disease is a (eset 
serious menace. His 
results were published, 
with a large plate, in : 
the Botanical Gazette BOTRYTIS FUNGUS, MAGNIFIED. 
for January, 1890. Professor Ward calls the Lily Disease 
one of the most annoying pests that the horticulturist 
has had to trouble him of late years. The trouble first 
shows itself as small rusty spots upon the buds and 
leaves, and by their enlarging the blossoms are ruined. 
The engraving on Page 302 shows the upper portion of 
a Lily plant, with the four buds badly attacked by the 
Botrytis fungus. This Botrytis consists of coarse 
threads, which run in all directions through the attacked 
tissue, and finally appear upon the surface as upright 
branched stalks, bearing multitudes of spores. A mag- 
nified view of a section of the diseased tissue is shown 
in the engraving on this page. 
