62 A GUIDE TO THE WILD FLOWERS 



177. NODDING POGONIA. TRIPHORA. 



A woodland orchid with fleshy tuberous roots and leafy 

 stems. Flowers nodding, pale-purple, one from near each 

 leaf.' Lip not crested but slightly crisped or roughened. 

 Nodding Pogonia. Triphora trianthophora. (Pogonia tri- 

 anthophora.) Not over 8 in. tall. Leaves alternate, oval, 

 scarcely an inch long, usually clasping the stem. Flowers 

 solitary at each leaf, about % in. long. Fruit a drooping pod, 

 about >4 in. long. August. New England to Fla. and west- 

 ward. Fig. 177. 



178. BRACTED GREEN ORCHIS. COELOGLOSSUM. 



Tuberous, woodland orchids with leafy stems. Flowers 

 greenish, in a terminal, profuse spike, from between each 

 flower of which there arises a leafy bract that is much longer 

 than the flower. Lip not crested or fringed, but 2-^, toothed. 

 Spur shorter than the lip. 



Bracted Green Orchis. Coeloglossum hractcatiim. (Hab- 

 enaria hracteata.) Stem «}4-2 ft. high, leafy. Leaves 2-5 in. 

 long, oval to lanceolate, diminishing towards the inflorescence 

 into bracts. Flower clusters 3-5 in. long, usually loose- 

 flowered. Summer. Nova Scotia to N. Car. and westward. 

 Fig. 178. 



179. GREEN ORCHIS. PERULARIA. 



Fibrous-rooted orchids of moist soil, with a leafy stem. 

 Flowers in a spike, the flowers of which are between bracts. 

 Spur longer than the lip. 



Green Orchis. Perularia flava. (Habenaria flava.) From 

 1-2 ft. high. Leaves mostly lanceolate 4-12 in. long, and 

 narrowed both ends. Flower cluster 2-6 in. long, greenish- 

 yellow. Flowers about ^ in. long. Pod about y^ in. long. 

 July. Nova Scotia to Fla. and westward. Fig. 179. 



