Tennessee Flora. 63 



POGONIA Juss. 



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

 see, Polk County. June, July. 



P. trianthophora (Sw.) B. & P. P. pendula Lindl. In leaf 

 mold in the highlands 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 prsecox 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 (Bjzel.) Kuntze. Grass plots around Nashville. 

 Barrens. September. 



LISTERA R. Br. 



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

 of White Top Mt., 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. 



