86 PARASITES BELONGING TO THE GENUS GLOMERELLA. 



GUAVA TO WATERMELON. 



A nearly mature watermelon was inoculated by puncture with 

 conidia from a culture from guava leaves. Rot developed rather 

 rapidly. Numerous acervuli were produced, as shown in Plate XVIII. 



LEMON TO APPLE. 



On September 14 four Willow Twig apples were inoculated by 

 puncture with conidia from a culture from a lemon. Rot of the usual 

 appearance developed rapidly in all cases and typical acervuli formed. 



On October 2 three apples were inoculated by puncture with conidia 

 from a culture. Rot developed in all cases. The spots were 2 centi- 

 meters in diameter at the end of a week and acervuli were present. 



LEMON TO CABBAGE. 



On December 17 leaves of a young cabbage plant in the greenhouse 

 were inoculated by puncture with conidia from a lemon leaf. No 

 signs of infection ever followed. 



LEMON TO COTTON. 



On December 17 leaves and bolls were inoculated by puncture with 

 conidia from lemon leaves. No signs of infection were found at the 

 end of a month. 



LEMON TO CRANBERRY. 



On December 17 leaves of a plant from the greenhouse were inocu- 

 lated by puncture with conidia from a lemon leaf. No signs of 

 infection were ever seen. 



LEMON TO. GRAPE. 



On October 14 eight mature berries of Niagara grapes were inocu- 

 lated by puncture with conidia from a culture. At the end of two 

 weeks most of the berries were rotten and three bore acervuli. 



LEMON TO ORANGE. 



On December 17 orange leaves were inoculated by puncture with 

 conidia from a lemon leaf. No signs of infection ever followed. 



LEMON TO RUBBER PLANT. 



On December 17 leaves on a living plant were inoculated by punc- 

 ture with conidia from a lemon leaf. No signs of infection ever 

 followed. 



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