BLUEBERRY, HUCKLEBERRY AND CRANBERRY 217 



This family also includes the dandelion (Taraxacum 

 ofpcinale), iron weed (Vernonia), fleabane and meadow white 

 top (Erigeron), thistle (Carduus), and many others that are 

 troublesome as weeds. 



HEATH FAMILY (VACCINIACE.E) 



The flowers of this very interesting family are four to five 

 parted ; calyx attached to an; inferior ovary, the petals united ; 





FIG. 141. Cranberries. 



stamens eight to ten ; ovary of several chambers and developing 

 into a true berry. 



Blueberry, Huckleberry and Cranberry. The most im- 

 portant plants of this family are the blueberries and huckleber- 

 ries (Gaylussacia) and the cranberries (Oxy coccus) (Fig. 

 141), both of which are indigenous to America. 



Cranberry-growing is a highly specialized industry which is 



