*>N THE BLIGHT IN CORN. 



flirivelled and fmall. Thefe fmall grains, which are rejected 

 by the miller, becaule they do not contain flour enough for 

 his purpofe, have neverthelefs an ample abundance for all 

 purpofes of vegetation, and as fully partake of the (ap, (or 

 blood, as we fliould call it in animals,) of the kind which pro- 

 duced them, as the faireft and fulleft grain that can be ob- 

 tained from the bottoms of the lower cups by the wafteful 

 prQcefs of beating the fheaves, 



233 



EXPLANATION OF THIS PLATE*. 



Plait IX. 



Fig. I. A piece of the infected wheat draw — natural (ize: 

 at a the leaf (heath is broken and removed, to flievv the ftraw 

 which is not infected under it. 



fig, 2. A highly magnified reprefenfation of the parafitic 

 plant which infects the wheat: a in a young ftate ; b full grown; 

 care two plants burfting and (bedding their feeds when under 

 water in the microfcope ; d two plants burft in a dry ftate; 

 e feems to be abortive ; / feeds in a dry ftate ; g a fmall part 

 of the bottom of a pore with fome of the parafitic fungi grow* 

 ing upon it. 



fig. 3. Apart of the ftraw of jig. 1, magnified. 



Fig. 4. Part of fig. 3 at a b more magnified. 



fig. 5. Part of a ftraw fimilar to Jig. 3, but in its green (rate, 

 and before the parafitic plant is quite ripe. 



Fig. 6. A fmall part of the fame, more magnified. 



Plate X. 



Fig. 1. A highly magnified tranfverfe cutting of the firaw, 

 correfponding with Fig. 4. Plate I. (hewing the infertion of 

 the parafite in the bark of the firaw. 



fig. 2. A longitudinal cutting of the fame ; magnified to 

 the fame degree. 



Fig. 3. A fmall piece of the epidermis of a firaw, (hewing 

 the large pores which receive the feed of the parafite ; the. 

 fmaller fpots obfervable on the epidermis, are the bafes of 



hair* 



