ORCniPACE.tt. (orchis family.) 



crennlatc at the apex and bearing a tooth-like appendage at the throat ; spur 

 club-shaped, mostly shorter than the short ovary. (Orchis flava, L. O. fuees- 

 cens, and 0. bidentata, Ell.) — Low shady hanks, Florida, and northward. July 

 and Aug. — Stem 1° high. Flowers 2" in diameter. 



3. P. bracteata, Ton*. Lower leaves obovatc, the others smaller, lanceo- 

 late; flowers small, greenish : sepals and narrow petals erect; lip oblong-linear, 

 slightly 3-toothcd at the tip, longer than the obtuse sac-like spur. (Orchis 

 viridis, Pursh.) — High mountains of Carolina, Pursh. — Stem low. Bracts 

 large, conspicuous. 



* # # Pip undivided, fringed : flowers spiked : stems leafy. 



4. P v ciliaris, Lindl. Leaves numerous, the lower ones (4' -12' long) 

 lanceolate or oblong, the upper small and bract-like : spikes oval or oblong, 

 rather loosely flowered; flowers large, bright yellow; lateral sepals round* 

 obovate, reflexed ; petals lanceolate, incised or slightly fringed at the apex; lip 

 clawed, roundish in outline, long-fringed ; spur filiform, commonly longer than 

 the long tapering ovary. (Orchis ciliaris, L.) — Var. ijlephariglottis (Or- 

 chis blephuriglottis, Wittd.) has white flowers, and shorter fringe of the lip. — 

 Swamps and bogs, chiefly in the pine barrens, Florida, and northward. Aug. — 

 Stem H° - 2° high. Spike H' -2' in diameter. Ovary 9" - 15" long. Flow- 

 ers G"-8" wide. 



5. P. eristata, Lindl. Leaves numerous, the lower ones (4' -8' long) 

 lanceolate, the uppermost bract-like ; spike oblong or cylindrical, densely flow- 

 ered ; flowers small, yellow; lateral sepals rounded, spreading, concave; petals 

 oblong, incised at the apex ; lip sessile, ovate in outline, pinnatifid-fringed ; spur 

 filiform, half as long as the tapering ovary. (Orchis eristata, Michx.) — Bogs 

 and swamps, Florida, and northward. Aug. — Stem 1° - 2° high. Spike 1' in 

 diameter. Ovary 5"- G" long. Flowers 2"- 3" wide. 



* * * * Pip 3-parted, fringed or denticulate : flowers in spiked racemes : stem leafy. 

 •*- Flowers yellowish-white. 



6. P. lacera, Gray. Stem slender; lower leaves oblong, the uppermost 

 small, passing into the lanceolate bracts ; raceme oblong, loosely flowered ; pet- 

 als oblong-linear, entire; lip pendent, the wedge-shaped lobes deeply divided 

 into few spreading capillary filaments; spur as long as the ovary. (Orchis la- 

 cera, Michx.) — Swamps and low ground in the upper districts, and northward. 

 July. — Stem 1° - 2° high. Lower leaves 3' - 6' long Raceme 3' - 5' long. 



*- -t- Flowers purple : lip clawed. 



7. P. psycodes, Cray. Stem stout; lower leaves lanceolate or oblong, 

 the upper small, passing into the linear-subulate bracts ; flowers pale purple, 

 crowded in a dense oblong raceme ; lateral sepals roundish, obtuse; petals obo- 

 vatc, minutely denticulate at the apex j lip nearly twice as long as the sepals, 

 spreading, the wedge-shaped Lobes bordered with a short fringe. (Orchis psy- 

 codes, /..) — Swamps and shaded banks, North Carolina, and northward. July. 

 — Stun 2° high. Lower leaves 3' - 6' long. Flowers very numerous. Lip 

 2" -3" long. 



