142 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



Cephatosporium. Each kind of spore in turn is capable of reproducing 

 the tangos, the spores being carried by the numerous mites and other 

 f i >rms of animal life present in heaps of stored Potatos. 



The last and most perfect form of fruit produced from the warts are 

 minute blood-red flask-shaped bodies ; but these only appear on old 

 dried-up scraps of Potato-skin that are thrown away and lie exposed to 



I i 26. Plant OJ Pii ytophthora infestaxs, showing the Contdial 

 Stage. Highly magnified. [Gardeners 1 Chronicle.) 



the open aii-. This is the Nectria condition of the fungus, the spores of 

 which on termination produce the Cephalosporium forms of fruit. These 

 sporefl In turn start the first infection in other heaps of stored Potatos. 



The best preventive against winter-rot is to have the Potatos 

 thoroughly dry, and then well sprinkled over with powdered sulphur 

 before storing. The sulphur not only destroys the germinating fungus 



