‘194 Mr. Lampert’s Defcription of the Blight of Wheat. 
Perfoon, under the name of Uredo, in a work publifhed by him, 
intitled, Zentamen Difpofitionis Methodice Fungorum, 1797, p. 13- 
“« Pulvere farinaceo, theca orbato, fub foliorum cauliumque epider- 
mide effufo, hac demum margine levi rupta.” In page 57, he de- 
{cribes different {pecies ; but does not mention that I have obferved, 
which I fuppofe to be a new one, and which I fhall call 
Urevo Frumenti, \ineari-oblonga fufco-nigricans. 
-It is always found on the ftem of the wheat. The Uredo /egetum 
of Perfoon, var. « Hordei, @ Tritici, » Avene, affects only the parts 
of fructification. 
It is in wet feafons that the wheat is the moft injured by this 
Fungus, particularly what grows in low ground, as the crops on the 
hilly country are feldom hurt. I am informed it is only with- 
in thefe laft twelve or fourteen years that it has been noticed 
in the Weft of England, or at leaft that the wheat has been known 
to be injured by it; and may it not proceed from the land being too 
much worked, and not having that reft given it that it requires? 
Whether this caufe might have firft brought the difeafe, or whether 
it might arife froma want of a change of crops, I leave to thofe to- 
determine who are more in the way of making obfervations upon 
Agriculture than myfelf, ‘ 
See a figure of this Uredo in Sowerby’s Fungi, vol. 2. tab. 140. 
XVI. Am- 
a a 
