MILDEW ON REED. 



43 



of this particular affliction they might he 

 heard and forgiven. To Omnipotence, num- 

 ber has no Hmits, and the smallest thing God 

 has made can be so augmented in quantity as 

 to accomplish vast designs. 



All the tribes of graminecB MUdew on a Leaf of 



. 1 • , , common Reed. 



seem more or less subject to 

 puccinia, and it is frequently 

 found on the leaves of different 

 kinds of reed, presenting un- 

 magnified the precise appear- 

 ance represented in the sketch, 

 and which is indeed much the 

 same as on the straw of 

 wheat. The shape of the 

 spores are, however, somewhat 

 different. It does not gene- 

 rally break out into patches 

 till the autumn has consider- 

 ably advanced ; hence rye, 

 which ripens earlier than the 

 other corn-plants, is seldom 

 much attacked by this parasite. 

 It is common to almost all 

 countries ; and when the eye 

 of the observer has once be- 

 come accustomed to it, the ^ucwnia 



' AruncUoacea. 



1 



