CLASSIFICA TIOK. 7O$ 



The mistletoe family (Loranthaceae) , with the American 

 mistletoe (Phoradendron flavescens), parasitic on deciduous 

 trees in the South Atlantic, Central, and Gulf States (N. J. 

 to Ind. Ter.). 



The sandalwood family (Santalaceae, example, the bastard 

 toad- flax, Comandra umbellata), widely distributed in North 

 America. 



1208. Order Aristolochiales. Herbs or vines with heart- 

 shaped or kidney-shaped leaves. The birthwort family (Aris- 

 tolochiaceae, example, Aristolochia serpentaria, the Virginia 

 snake-root, eastern United States; wild ginger, or heart-leaf, 

 Asarum canadense, eastern North America.) 



1209. Order Polygonales. Examples: the buckwheat family 

 (Polygonaceae), including buckwheat (Fagopyrum), and numer- 

 ous species of Polygonum, known as smartweed, water-pepper, 

 tear-thumb, bindweed, knotweed, prince's-feather, etc. 



1210. Order Chenopodiales. Herbs. There are several fam- 

 ilies; one of the largest is the goosefoot family (Chenopodiaceae). 

 The genus Chenopodium includes many species, known as goose- 

 foot, lamb's-quarters, etc. Here belong also the Russian thistle 

 (Salsola tragus) and the saltwort (S. kali). The former is some- 

 times a troublesome weed in the central and western United States, 

 naturalized from Europe. The latter occurs along the Atlantic 

 coast on seabeaches. Atriplex occurs in salty or alkaline soil, 

 also the glasswort (Salicornia herbacea), the bugseed (Cori- 

 spermum) . The pokeweed family (Phytolaccaceae) , the Amaranth 

 family (Amaranthaceae), the purslane family (Portulacaceae, 

 including the purslane or "pursley," Portulaca oleracea, and 

 the spring-beauty, Claytonia virginica), and the pink family 

 (Caryophyllaceae), belong here. 



1211. Order Ranales. Herbs, shrubs, or trees. Examples 

 are: 



The water-lily family (Nymphaeaceae) , with the yellow water-lily 

 (Nymphaea advena=Nuphar ad vena) and the white water-lily 

 (Castalia odorata= Nymphaea odorata). 



The magnolia family (Magnoliaceae), including the mag- 



