40 PAPEES BY Mil KIKBY. 



of corn and grass affected by it, but have not 

 used high magnifying powers in their re- 

 searches. Agriculturists do not appear to 

 have paid, on this head, sufficient attention to 

 the discoveries of their fellow-labourers in the 

 field ot nature ; for though scarcely any English 

 writer of note on the subject of rural economy 

 has failed to state his opinion of the origin of 

 this evil, no one of them has yet attributed it 

 to the real cause, unless Mr. Kirby's excellent 

 papers on the diseases of corn, published in the 

 Transactions of the Linnsean Society, are con- 

 sidered as agricultural essays. On this account, 

 it has been deemed expedient to offer to the con- 

 sideration of farmers, engravings of this destruc- 

 tive plant, made from the drawings of the ac- 

 curate and ingenious Mr. Bauer,botanical painter 

 to His Majesty, Geo. iii., accompanied with 

 his explanation, from which it is presumed an 

 attentive reader will be able to form a correct 

 idea of the facts intended to be represented, 

 and a just opinion whether or not they are, 

 as is presumed to be the case, correct and 

 satisfactory. In order, however, to render 

 Mr. Bauer's explanation more easy to be un- 

 derstood, it is necessary to premise that the 

 striped appearance of the surface of a strav/, 



