CURLED DOCK 



valves bears a tubercle and that the akenes are dark, 

 shining red. These two Docks freely hybridize and 

 many specimens occur partaking of the characters of 

 each. 



All the Docks are typical weeds. "No coign of 

 vantage," but is seized by these intrepid and virile 

 plants, that respond to their environment so rapidly 

 and so thoroughly, as to upset one's calculations again 

 and again, for they seize the earth with a grip so fierce 

 that they are with difficulty dislodged. 



43 



