Tennessee Flora. 63 



POGONIA Juss. 



Pogonia ophioglossoides (L.) Ker. Snake-mouth. Hiwas- 

 see, Polk County. June, July. 



P. trianthophora (Sw.) B. & P. P. pendula Lind'l. In leaf 

 mold in the higlilands of M. Tenn., Mitchellville, Wartrace. 

 Frequent. August, September. 



P. divaricata (L.) B. Br. Mts. of E. Tenn. July. 



P. verticillata Nutt. Sewanee. E. Kirby-Smith. July. 



GYROSTACHYS Pers. (Spiranthes L. C. Rich.) 



Gyrostachys plantaginea (Raf.) Britton. Spiranthes lati- 

 folia Torr. Lady's tresses. Southwest Virginia, adjoining 

 Tennessee. J. K. Small. June-August. 



G. cernua (L.) Kuntze. Spiranthes cernua L. Barrens 

 around Tullahoma. August. 



G. praecox (Walt.) Kuntze. Spiranthes praecox S. Watson. 

 Grassy places. O. S. July, August. 



G. simplex (A. Gray) Kuntze. Harpeth hills, south of 

 Nashville, in siliceous soil. Abundant. August, September. 



G. gracilis (Bizel.) Kuntze. Grass plots around Nashville. 

 Barrens. September. 



LISTERA R. Br. 



Listera convallarioides (Sw.) Torrey. Twai-blade. Slopes 

 of White Top ^It., Southwest Virginia. J. K. Small. June- 

 August. 



L. australis Lindl. E. Tenn. A. Ruth. 



PERAMIUM Salisb. (Goodyera R. Br.) 



Peramium repens (L.) Salisbury. Goodyera repens R. Br. 

 Rattlesnake plantain. O. S. 



P. pubescens (Willd.) McM. Mts. of E. Tenn. July. 



ACHROANTHES Raf. (Microstylis Nutt.) 



Achroanthes unifolia (Michx.) Raf. Microstylis ophioglos- 

 soides Nutt. Adder's mouth. Cumberland Mts. Mrs. L. 

 Bennett. Lemon's Gap. A. Ruth. 



LEPTORCHIS Thouars. (Liparis L. C. Richard.) 



Leptorchis liliifolia (L.) Kuntze. Liparis liliifolia L. C. 

 Rich. W. Tenn. S. M. Bain. S. W. Va. J. K. Small. 

 May-July. 



L. Loesellii (L.) McM. Waters of Holston River. J. K. 

 Small. May-July. 



