542 



POLYGONACE^B. 



numerous green flowers in almost leafless whorls. Fl. 

 July, August. Perennial. 



* There are about ten other species of Dock, some of 

 which are rarely to be met with, others far too common. 

 The most abundant kind is ft. obtusifolius (Broad- 

 leaved Dock), too well known to need any description : 

 R. crispus (Curled Dock) has acute curled leaves, and is 

 also common : R. sanguineus (Bloody-veined Dock) has 

 the veins of its leaves tinged of a beautiful crimson ; the 

 other species are less frequent. 



KL-MEX CETOSA (.Common Sorrel). 



