362 WORTHINGTON G. SMITH. 
found bodies and presented to every one known by me to be 
interested in the subject. All botanists know that Mr. 
Berkeley has from the first held to the belief that Dr. Rayer’s 
Rre. 1’. 
Fic. 2. 
organisms belonged to the secondary formof fruit of the fungus 
which causes the potato disease, and recent observations have 
tended to prove the correctness of his views. At the meeting 
of the Royal Horticultural Society held on Sept. Ist last 
Mr. Berkeley exhibited a drawing made thirty years ago by 
Mr. H. O. Stephens, of Bristol, of a body (with hyphe) found 
by the latter gentleman amongst the corroded cells of pota- 
toes. Although this drawing was somewhat rude, it un- 
doubtedly represented the mature resting-spore of Perono- 
spora infestans, for it accords exactly in shape, nodular 
outer surface, colour, and size with the bodies more recently 
found. A reference to the numbers of the ‘ Gardeners’ 
Chronicle’ published last spring, in which the reports of 
