AURICULA, 
147 
and equal degree of warmth, both day 
and night, but muft be occafionally open¬ 
ed, or raifed up at the higher end, to 
admit frelh air, and to fuffer the exhala¬ 
tions from the bed to efcape, which is 
a very efientia! point. 
The fuperior advantage this has over 
the common methods of railing the 
feed, is, that it forces every live grain 
into vegetation in about three weeks, 
if the warmth of the bed is properly 
kept up: whereas, by the more ufual 
mode of expofure to the open air, the 
greater part does not vegetate till the 
fecond year; and the weaker feeds, which 
are probably the moft valuable, feldom 
vegetate at all. 
The earth and feed muft always be 
kept moderately moift, but never very 
* 
wet; the beft method of watering it is 
by means of a hard clothes-brufh, dipped 
into 
