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Fig. 25, F G H I K, is the fling of a Nettle in its vigour, at tiir 

 end of which, H, no juice is emitted. 



Fig. 20, LRINOP, is the fting of a Nettle come to its full 

 growth, and in which the moifture which it contained in its cavitv 

 is dried up, as is fcen between MNO; and as in this fting we fee 

 feveral particles, which in the figure are marked i, 2, and 3, 1 ima- 

 gine that this evaporation of the juice from the fling was not per- 

 formed in one day, but at feveral times, one day more than another, 

 according to the heat of the weather. Between 3 and N, this fling 

 appeared very dark and of a greenith colour, which doubtlefs was 

 the folid fubflance of the juice in the fling there coagulated. 



Fig. 27, QRSTY, is the fling of the Nettle cut tranfverfely to 

 {hew the cavity within, as appears at the letter S ; and QRTV is 

 the green and foft part dried up thus far. 



Fig. 28, WXYZ, is a fling of the Nettle cut off nearer the 

 point, where the letter Y indicates the cavity. 



4^ 



Vol. II. I 1 



