ANDROSACE 115 



chippings, a little peaty soil, and sand, but must be 

 supplied with abundant moisture when growing. There 

 are many others belonging to this section, both granitic 

 and calcareous, requiring the same treatment. Some 

 of the easiest are A. helvetica, A. imbricata, and A. 

 pyrenaica. Most are increased by means of seeds, sown 

 in spring, or as soon as ripe, in stony, sandy soil. 



