164 
PLATE 
PLATE 
PLATE 
PLATE 
PLATE 
PLATE 
PLATE 
PLATE 
Report oF THE BOTANIST. 
EXPLANATION OF PLATES. 
XII1.—Rhode Isiand Greeniny apples affected with the 
Cephalothecium rot. Average specimens from many 
bushels after they had been in ordinary storage four 
weeks. Slightly reduced. 
AXIV.—Fameuse apples affected with the rot. Average 
specimens from a bushel offered for sale at a grocery, 
in Geneva, October 6, 1902. Slightly reduced. 
XV.—Medium and late stages of the rot: 
Fic. 1.—feali Pippin apple after it had been mm ordinary 
storage four weeks. Natural size. 
Fic. 2.—Rhode Island Greening apple photographed De- 
cember 23, 1902. Had been in ordinary storage since 
harvested. Natural size. 

NX VI.—An affected Rhode Island Greening apple and 
cross-section of the same illustrating the shallow- 
growing character of the rot. Natural size. 
XVII.—The fungus, Cephalothecium roseum : 
Fig. 1.—Spores < 1000. 
Fig. 2.—Petri dish culture on potato agar. 
Fic. 3.—Growing as a saprophyte on cord-wood. 
Fic. 4.—Groiwing on bark of Norway maple. 
Figs. 2, 3 anp 4.—Natural size. 
XVIII.—Artificial inoculation on apples, variety Stark. 
Fie. 1.—Seven days after inoculation with a pure culture 
of Cephalothecium roseum. Natural size. t 
Fig. 2.—Check. Point of puncture below and to the right 
of the stem. Natural size. 
XIX.—-Artificial inoculation on pears, Pitmanson 
Duchess. a 
Fig. 1.—T wo weeks after inoculation with a pure culture 
of Cephalothecium roseum. Natural size. 
Fig. 2.--Check. Point of puncture below the figure on 
pear. Natural size. 
XX.—Influence of cold storage. Rhode Island Green- 
ing apples inoculated with a pure culture of the apple- 
rot fungus. Slightly reduced. 
Fie. 1.—IJnoculated and kept m the laboratory. 
Fic. 2.—Inoculated at the same time as apple in Fw. 1, 
but kept in cold storage for four weeks. Photo- 
graphed soon after taken out. 
Fic. 3.—Same apple as in Fig. 2, after it had been mn a 
warm room some time. 
