A GUIDE TO THE WILD FLOWERS 47 



Leaves more numerous ; flowers cream or white 



Ladies' tresses, no. 148 



Leaves of an oval or round type, the margins never parallel, 

 sometimes as broad as long 

 Leaves mottled with white, thus appearing variegated . . 



Rattlesnake plantain no. 152 



Leaves plain green 



Leaf solitary ; flowers rose-white and purple spotted . . . 



Small Orchis no. 156 



Leaves 2. 



Flowers violet-purple Showy Orchis no. 157 



Flowers white or greenish. 



Leaves nearly round, flat on the ground ; plant i 



ft. high or more Large orchis no. 158 



Leaves of an oval type, erect; plant less than 10 in. 

 high Twayblades no. 159 



136. CORAL-ROOT. CORALLORRHIZA. 



Parasitic or partially parasitic herbs with numerous scale- 

 like leaves and flowers in terminal clusters. Plants never 

 green. Flowers tubular and swollen on one side, usually yel- 

 lowish-brown, or purplish. Pods often drooping. Six species 

 are known, separated wholly by technical characters. The 

 commonest is 



Coral-root. Corallorrhica maculata. Stalk of the flower- 

 cluster 8-15 in. high, quite leafless, and purplish. Flower- 

 cluster 2-6 in. long, the flowers mostly brownish-purple, 

 about yi in. long. Pod about 3/2 in. long, drooping. August. 



