OR MANUAL OF THE APIARY. 423 



linden is jielding its precious harvest. Few plants are more 

 desirable to sow in waste-places. Mr. Doolittle says truly, 

 "If any plant will pay to grow solely for honey, it is this 

 one." He is correct in the opinion that none will pay. 



Fig. 226. 



Motherwort.— Original. 



The silk or milkweed furnishes abundant nectar from 

 June to frost, as there are several species of the genus Asclep- 

 ias, which is wide-spread in our country. Indeed, pleurisy- 

 root or butterfly weed (Asclepias tuberosa) is the bee-plant 

 that Mr. Heddon has praised so highly. He thinks it one of 



