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Article VIL 

 OftU Cauje of the Smut in Wheat, 



In a Letter to the Secretary. 

 Sir, 



TN a former paper on this very difficult fubjedl,* 

 I obferved, it was no unufual thing to meet with 

 ears both of fmutty and found corn ififuing from the 

 fame root. Alfo, that it frequently happened that 

 fmutty and found grains were to be found in the 

 fame ear. That I had then by me the corn I had 

 picked ouf of fuch an ear. It contained forty fmut 

 balls, 2 1 grains that appeared to be perfedtly found, 

 a»d five grains which had one end black and 

 fmutty, and the other found. Thefe I made the 

 fubjed of experiment, the refult of which I now 

 beg leave to lay before the Society for their con- 

 fideration. 



On the 2d of September 17S9, 1 put the twenty- 

 one grains abovementioned into a two-ounce phial 

 of puihp-water, which I very well fhook together. 

 It Was then fet by till the next day, when the water 

 was poured off, and the corn divided into two par- 

 cels. Having filled a two-quart garden-pot with 

 common mould, ten of the grains were fet in five 



• Article xvii. vol, 56. 



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