4G0 ORCHIDACEJE. (ORCHIS FAMILY.) 



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

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

 oens, and < >. bidentata, Ell.) — Low shady hanks, Florida, and northward. July 

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



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

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



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

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

 large, conspicuous. 



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



4. P. 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- 



^"A 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. blephariglottis (Or- 

 chis blephariglottis, Willd.) has white (lowers, and shorter fringe of the lip. — 

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

 Stem 4° -2° high. Spike H' -2' iu 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- 

 en il ; 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 cristata, Miclix) — Bogs 

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

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



* # # * Lip 3-parted, fringed or denticulate : floicers in spiked racemes : stem leafy. 

 ■*- Floweis yellowish-white. 

 C>. 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, Mm In.) — Swamps and low ground in the upper districts, and northward. 

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



+- -»- Flowers purple : lip cleaved. 

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

 the upper -mall, 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. (<>rchis pay 



Codes, /..)— BwampS and shaded banks, North Carolina, and northward. July. 



— Sum j' high. Lower haves 3'- 6' long. Flowers very numerous. Lip 



2" -3" long. 



