ORCHIS FAMILY. 457 



Gyrostachys praecox (Walt.) Kuntze, Rev. Gen. PI. 2 : 663. 1891. 



Early Ladiks' Tkksses. 



Limodorum praecox ^yalt. Fl. Car. 221. 1788. 



Neottia ioriilis Willd. Sp. PI. 4:74. 1805. 



Spirantlies praecox Gray, Man. ed. 6, 503. 1890. 



Ell. Sk. 2 : 491. Gray, Man. 1. c. Chap. Fl. 462. 



Carolinian and Louisianian areas. South Atlantic and Gulf States, west to 

 Louisiana, north from Florida to southern Massachusetts. 



Alabama: Central Pine belt to Coast i>lain. Damp sandy pine barrens. Mobile, 

 Baldwin, Clarke, Washington, and Tuscaloosa, counties. Flowers white. May; 

 frefiuent. 



Type locality : South Carolina. 



Herb. Geol. Sur\'. Herb. Mohr. 



Gyrostachys odorata (Nutt.) Kuntze, Rev. Gen. PI. 2 : 664. 1891. 



Sweet-scented Ladies' Tresses. 



Xeottia odorata Nutt. Journ. Acad. Phila. 7 : 98. 1834. 



Sptranthes odorata Lindl. Gen. & Sp. Orch. 467. 1840. 



Chap. Fl. 462. 



Louisianian area. Northwestern Louisiana to western Florida, north to North 

 Carolina. 



Alabama : Coast plain. Wet alluvial banks, ilobile County, alluvial forests on 

 the Alabama River, I'ierces Landing. Flowers white, fragrant. October. Not 

 frequent. 



Type locality: "Along tlio borders of the Neuse River, at Newbern, in North Caro- 

 lina, on the wet and muddy shores." 



Herb. Geol. Surv. Herb. Mohr. 



Gyrostachys brevifolia (Chap.) Kuntze, Rev. Gen. PI. 2 : 664. 1891. 



SllORT-LEAVED LaDIES' TrESSES. 



Spiranthes hreri folia Chap. F1.462. 

 Chap. Fl. 1. c. 



Louisianian area. Alabama to western Florida. 



Alabama: Coast plain. Low grassy pine Ijarrens. Mobile County, Bayou Coden. 

 November, 1869. Flowers white. October, November. Very scarce. 

 Type locality: '' *;)pen grassy swamps in the pine barrens, Apalachicola, Fla." 

 Herb. Geol. Surv. Herb. Mohr. 



PERAMIUM Salisb. Trans. Hort. Soc. 1 : 301. 1812. 

 (Goodyera R. Br. in Ait. Hort. Kew. ed. 2, 5 : 197. 1813.) 



Twenty-five species, perennials, north temperate regions to tropical Asia. New 

 Caledonia, Europe, Siberia. North America, 3. 



Peramium pubescens (Willd.) MacMillan, Metasp. Minn. Val. 172. 1892. 



Downy Rattlesnake Plantain. 



Neottia pubescens Willd. Sp. PI. 4 : 76. 1805. 



Goodi/era iJitbexoens R. Hr. iu Ait. Hort. Kew. ed. 2, 5 : 198. 1813. 



Ell. i<k. 2:491. Gray, Man. ed. 6, 503. Chap. Fl. 463. 



Alleghenian to Louisianian area. Ontario; New England west to Minnesota, 

 south to Georgia and Florida. 



Alabama: Mountain region Upper division Coast Pine belt. Shady woods 

 Winston County ( T. M. Peters). Clarke County, Choctaw Corner (^. A. Smith). 

 Flowers white. .Tuly, August; iiifreiiuent. 



Type locality : " Hab. a Canada ad Floridam.'' 



Herb. Geol. Surv. 



ACHROANTHES Raf. Med. Rep. ser. 2, 5 : 3.52. 1808. 

 (MicitosTYLis Nutt. Gen. 2 : 196. 1818.) 



About 70 species, temperate North Hemisphere, tropical Asia and America. North 

 America, 2 or 3. 



Achroanthes unifolia (Michx. j Raf. Med. Rep. ser. 2. 5 : 352. 1808. 



Green Addersmouth. 

 Malaxis unifolia Michx. Fl. Bor. Am. 2 : 157. 180 \ 

 Micrnstylis ophioglossoides Nutt. Gen. 2 : 196. 1818. 

 Ell. Sk. 2:503. Gray, Man. ed. 6, 498. Chap. Fl. 453. 



