Dec, 1909.] The Orchids of Ohio. 33 



sistent through flowering season, the upper smaller; flowers 

 in a twisted spike 2-8 in. long, 4-lU lines thick; lip about 

 3 Hnes long, crenulate, short-clawed, dark-striped in the 

 middle. A tall show}- plant growing in grassy places. 

 Wayne County. 



5. Gyrostachys simplex (Gr.) Ktz. Little Lady's-tresses. Stem 

 very slender 5-8 in. high, rising from a solitary spindle- 

 shaped tuber, with small deciduous bracts above; leaves 

 basal, oblong, petiolate, mostly disappearing at or before 

 flowering time; flowers white, in a slender spike, slightly 

 twisted, 9-14 lines long; lip thin, short clawed, crisped at 

 summit. A bare, delicate plant, growing in sandy soil. 

 Fairfield County. 



(). Gyrostachys gracilis (Bigel) Ktz. Slender Lady's-tresses. 

 Stem 8-24 in. high, slender, rising from a cluster of spindle- 

 shaped, tuberous roots, bearing small deciduous bracts; 

 leaves basal, obovate, or ovate-lanceolate, disappearing 

 mostly before the flowering season; flowers white, in a spike 

 1-5 in. long, much twisted; lip 2 lines long, wavy, thick and 

 green in the middle. A tall bare plant in dry fields and 

 open woods. Erie, Cuyahoga, Lake, Licking, Muskingum, 

 Fairfield, Adams, Gallia, and Morgan Counties. 



Peramium Sahsb. 

 • Herbs with bracted, erect scapes; thick, fleshy, fibrous 

 roots, and basal tufted leaves often blotched with white ; flowers 

 in bracted spikes; lip sessile, entire, roundish ovate, concave or 

 saccate, without callosities, its apex reflexed. 

 1. Peramium pubescens (Willd.) MacM. Downy Rattlesnake 

 Plantain. Stem densely glandular-pubescent, bearing 5-10 

 lanceolate scales, 6-24 in. high; leaves basal, 'Ji-1 in. long, 

 strongly white-reticulated, oval or ovate; flowers in a dense 

 spike, not 1-sided; lip strongly saccate with a short broad 

 recurved or spreading tip. A sturdy plant with conspic- 

 uous flowers and showy leaves, growing in dry woods. 

 Adams, Hocking, Lake, Portage, Fairfield and Highland 

 Counties. 



Achroanthes Raf. 

 Low herbs from a sohd bulb, our species with 1 leaf and with 

 1-several scales at the base of the stem; flowers small, white or 

 green, in a terminal raceme; lip cordate or eared at the base, 

 embracing the column. 

 1. Pedicels nearly equal to the ovularies in length; lip terminating in a 



long point. (Doubtful for the state) A. monophylla 



1. Pedicels much longer than the ovularies, lip-trtmcate, ;3-lobed at the 

 summit A. unifolia 



1. Achroanthes unifolia (Mx.) Raf. Green Adder's-mouth. 

 Stem 4-10 in. high, striate; leaf clasping the stem near the 

 middle, oval or nearly orbicular; raceme ;^4-3 in. long of 



