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LISTERA CONVALLARIOIDES. 



LONG-LIPPED LISTERA. 



Gynandria Monandria, Linn. Orchidex, Juss- 



GENERIC CHARACTER. 



Corolla irregular. Lip pendent, bifid. Column apterous, (minute,) the anther in- 

 serted at its base. Pollen farinaceous. 



SPECIFIC CHARACTER. 



Stem 2-leaved ; leaves opposite, broad, ovate, acute ; spike 10 to 12-flowered; lip 

 very long, bifurcated ; germen sub-globose or ovate ; root consisting of 

 large fleshy segments. B. 



SYNONYMS. 



Ophrys cordata, Mich. 



Listera cordata, Nutt. and Barton's Comp. Fl. Phil. 



Epipactis convallarioides, Muhl. Cat. and Herbarium, and Pursh. 



