400 OKnilDACK^,. (oi{< MIS rAMII.V.) 



cromilafc nt tlio apex and licariny a tootli-likc appcndajjo at the throat ; spur 

 elub-sliaped, mostly sliorter than the sliort ovary. (Orchis fiava, L. 0. fiires- 

 cens, and O. hidontata, Kll.) — Low shady hanks, Florida, and northward. July 

 and Au{x. — Stem 1° hij,'h. Flowers 2" in diameter. 



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

 late ; flowers small, <j:;reenish ; sepals and narrow petals erect ; lip ohlonj^-lincar, 

 slightly 3-toothed at the tip, long;er than the obtuse sue-like spur. (Orchis 

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

 large, conspicuous. 



* * * Lip undivided, /ringed : flowers spiked : stems lenfy. 



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

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

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

 obovate, refle.xcd ; 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. nLKi-iiAiiiGLOXTis (Or- 

 chis blephariglottis, WiUd.) has white flowers, and shorter fringe of the lip. — 

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

 Stem 1^°- 2° high. Spike U' -2' in diameter. Ovary 9"- 15" long. Flow- 

 ers 6" - 8" wide. 



5. P. cristata, 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 

 fdiform, half as long as the tapering ovary. (Orchis cristata, Mic/ix ) — Bogs 

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

 diameter. Ovary 5" - 6" long. Flowers 2" - 3" wide. 



* * * * Li'p ^-parted, fringed or denticulate : flowers iti spiked racemes : stem leafy. 

 -t- Flowers yellowish-white. 



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

 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 l°-2° high. Lower leaves 3'- 6' long Raceme 3' -5' long. 



•*- -t- Flowers purple : lip clawed. 



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

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

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

 vate, minutely denticulate at the apex ; lip nearly twice as long as the sepals, 

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

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

 — Stem 2° higli. Lower leaves 3' - 6' long. Flowers very numerous. Lip 

 2" -3" long. 



