OEGHIDACE^I. 231 



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



9. H. Orbieula'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. Rich woods. 



10. H. blephariglot'tis, Hook. (WHITE FRINGED-ORCHIS.) 

 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. leueophse'a, Gray. (GREENISH FRINGED-ORCHIS.) 

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

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

 above the stalk-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, R. Br. (RAGGED FRINGED-ORCHIS.) 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. (PURPLE FRINGED-ORCHIS.) 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, R. Br. Resembling 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. SPIRAN'THES, Richard. LADIES' TBESSES. 

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

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



