444 OBSERVATIONS ON VEGETABLES 



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. 



