ORCHIDACEiE. 231 



Var. Oblongifo'lia, J. A. Paine, has oblong leaves. 



9. H. OPbieula'ta, Torr. Spike many-flowered, loose and 

 spreading. Flowers greenish-white. Lip narrowly linear, 

 obtuse. Spur curved, more than an inch long, thickened 

 towards the apex. Scape 2-leaved at the base, the leaves 

 very large, orbicular and lying flat on the ground, shining 

 above, silvery beneath. — Eich ■woods. 



10. H. blephariglot'tis, Hook. CWhitePringbd-Okchis.) 

 Spike many-flowered, open. Flowers white, very handsome ; 

 the lip fringed, but not lobed, at the apex. Spur thread- 

 shaped, three times as long as the lip. Stem a foot high, 

 leafy ; the leaves oblong or lanceolate, the bracts shorter 

 than the ovaries. — Peat-bogs, etc. 



11. H. leucophse'a. Gray. (Greenish Fkinged-Oechis. ) 

 Spike as iu the last, but the flowers greenish or yellowish- 

 white. Petals obovate, minutely cut-toothed. Lip 3-parted 

 above the stalh-like base, the divisions fan-shaped, fringed. 

 Spur gradually thickened downward, longer than the ovary. 

 Stem leafy, 2-4 feet high. Leaves oblong-lanceolate ; bracts 

 a little shorter than the flowers. — Wet meadows. 



12. H. la'eera, E. Br. (Eagged Fringed-Orohis.) Like 

 the last, but the petals are oblong-linear and entire. The 

 divisions of the lip also are narrow and the fringe is less 

 copious. — Bogs and rich woods. 



13. H. psyeo'des. Gray. (PuRPtEFRUfGED-OECHis.) Spike 

 cylindrical, many-flowered, fheflowers pink-purple, fragrant. 

 Lip fan-shaped, 3-parted above the stalk-like base, the divi- 

 sions fringed. Spur curved, somewhat thickened down- 

 ward, very long. — Low grounds. 



14. H. flmbria'ta, E. Br. Eesembling the last, but the 

 flowers 3 or 4 times larger, and the petals toothed down the 

 sides. Divisions of the large lip more fringed. Spike loosely 

 flowered. — Wet meadows, chiefly eastward. 



3. SPIKAM'THES, Elchard. Ladies' Teesses. 

 1. S. latifo'lla, Torr. Flowers white, in 3 ranks, forming 

 a narrow spikn- Lip oblong, yellowish on the face, not 



