VEGETABLES. 299 



and is convey able with it ; for the turf of 

 my garden-walks, brought from the down 

 above, abounds with those appearances, 

 which vary their shape, and shift situation 

 continually, discovering themselves now 

 in circles, now in segments, and sometimes 

 in irregular patches and spots. Wherever 

 they obtain, puff-balls abound ; the seeds 

 of which were doubtless brought in the 

 turf. White. 



