158 Wild Life in Wales 



and other water is hard to find. The drops of liquid, 

 exuded at their tips by the common Horsetail (Equisetum 

 arvensi) and other plants always most plentiful on dewless 

 nights and in the driest weather, and often mistaken 

 for dew-drops are almost certainly intended to fill a like 

 useful office, but they are provisions of nature that are very 

 apt to be overlooked by unobservant people. 



