ORDERS OF AXGIOSPERMS. 499 



and sarsaparillas in the genus Aralia, and the ginseng (or "sang"), 

 Panax quinquefolium. 



The carrot famih' (Umbelliferae). This family includes the 

 wild carrot (Daucus carota), the poison-hemlock (Cicuta), the 

 cultivated carrot and parsnip, and a large number of other genera 

 and species. 



The dogwood family (Cornaceae). The flowering dogwood 

 (Cornus florida), abundant in eastern North America, is an 

 example. 



Series 2. GAMOPETAL.E (^SympetaL-c or Metachla- 

 mydae). Petals partly or wholly united, rarely separate or wanting. 



975. Order Ericales. — There are six families in eastern 

 United States. Examples: 



The wintergreen family (Pyrolaces), including the shin-leaf 

 (Pyrola elliptica). 



The Indian-pipe family (]\Ionotropaceffi), ^^-ith the Indian- 

 pipe (Monotropa uniflora) and other humus saprophytes. (See 

 paragraphs 182-191.) 



The heath family (Ericacea;). Examples: Labrador tea 

 (Ledum), in bogs and swamps in northern Xorth America. 

 The azaleas, with several species widely distributed, are beauti- 

 ful flowering shrubs, and many varieties are cultivated. The 

 rhododendrons are larger with larger flower-clusters, also beau- 

 tiful flowering shrubs. R. ma.ximum in the AUeghanv Moun- 

 tains and vicinity, from Nova Scotia to Ohio and Georgia. R. 

 catawbiense, usually at somewhat higher elevations, Virginia 

 to Georgia. The mountain laurel (Kalmia latifoHa) and 

 other species rival the rhododendrons and azaleas in beauty. 

 The trailing arbutus (Epigasa repens) in sandy or rocky woods is 

 a well-known small traihng shrub in eastern North America. 

 The sourwood (Oxydendrum arboreum) is a tree with white 

 racemes of flowers in August, and scarlet leaves in autumn. 

 The spring or creeping wintergreen (Gaultheria procumbens) is 

 a small shrub with aromatic leaves, and bright red spicy berries. 



The huckleberry famil}' (\'accinaceae) includes the huckle- 

 berries (example, Gaylussacia resinosa, the black or high- 



