94: ORCHIDACEAE 



TON ; Huntingdon ; Lackawanna ; Lancaster ; Lebanon ; Ches- 

 ter ; Northampton. 



4. Blephariglottisperamoena (A. Gray) Rydb. FringELESS PURPI,E 

 Orchis. (Man. p. 297 ; I. F./. 1113.) In moist meadows, N. J. to 111., 

 Va. and Ky. — Pennsylvania . Delaware ; Lancaster, New Texas ; 

 Cambria, Johnstown ; Somerset ; ALi,EGHENy. 



5. Blephariglottis laoera(Michx.) Rydb. Ragged Orchis. (Man. 

 p. 296; I. F./. //09.) In swamps and wet woods, N. S. to Minn., Ga. 

 and Mo. — Pennsylvania : Monroe ; Delaware ; Lancaster ; Bucks ; 

 Chester ; Lebanon ; Luzerne ; Blair ; Allegheny ; Armstrong ; 

 Montgomery ; Fulton ; Centre. 



6. Blephariglottis psycodeB (L.) Rydb. Smaller Purple-eringed 

 Orchis. (Man. p. 296; I. F.y; t^//.?.) In meadows and swamps, Newf. 

 to Minn., N. C. and Ind.— Pennsylvania : Monroe; Luzerne; Hun- 

 tingdon ; Blair ; Venango ; Armstrong ; Franklin ; Lancaster ; 

 Chester ; Delaware. 



7. Blephariglottis giandiflora (Bigel.) Rydb. Large PurplE- 

 Fringed Orchis. (Man. p. 296; I. V. f. mi.) In rich woods and 

 meadows, N. B. to Mich, and N. C. Pennsylvaina : Northampton; 

 Luzerne ; Huntingdon ; Blair ; Venango ; Armstrong ; Franklin ; 

 Lancaster ; Chester ; Delaware ; Susquehanna. 



9. GYROSTACHYS Pers. 



Flowers alternate, forming a one-sided spike by the twisting of the rachis. 

 Leaves with blades at the base of the stem, fugacious ; blades oblong, 

 elliptic or ovate. 

 Lips white : tuberous root solitary. 1. G. simplex. 



Lips green in the middle : tuberous roots several. 2. G. gracilis. 



Leaves with blades, extending some distance up the stem, persistent ; blades 

 linear. 3. G. praecox. 



Flowers 3-ranked, forming a cylindric spike : rachis barely twisted. 

 Lateral sepals free and separate. 

 Lip with a cuneate base and 2 stout reflexed callosities. 



4. G. cernua. 

 Lip with a truncate base and 2 small spreading callosities. 



5. G. planlaginea. 

 Sepals and petals more or less converging into a hood. 6. G. striata. 



1. Gjrrostaohys siinplez (A. Gray) Kuntze. LITTLE Ladies' 

 Tresses. (Man. p. 300 ; I. F. 1126.) In dry sandy soil, Mass. to Md. 

 — Pennsylvania : Lancaster ; Bucks. 



2. Gyrostacbys gracilis (Bigel. ) Kuntze. SLENDER Ladies' Tresses. 

 (Man. p. 301 ; I. E. /. 1127.) In dry fields and open woods, N. S. to 

 Minn., Fla., La. and Kans. — Pennsylvania: Monroe ; Luzerne ; North- 

 ampton ; Chester ; Lancaster ; Franklin ; Huntingdon ; Mont- 

 gomery ;• Lackawanna ; York ; Delaware ; Allegheny. 



3. Gyrostachys praecox (Walt.) Kuntze. Grass-leaved Ladies' 

 Tresses. (Min. p. 300 ; I. F./. 1125.) In grassy places, N. Y. to Fla. 

 and La. — Pennsylvania : Lackawanna, Moosic Lake ; Monroe ; Lan- 

 caster. 



