486 ORCHIDACE^E. (OKCHIS FAMILY.) 



narrower ; lip linear-spatnlate, entire, recurved ; spur very long, club-shaped, 

 curved. Shady woods on the mountains of North Carolina. July - August. 

 Scape 1- H high. Leaves 5'- 8' in diameter. 



2. P. Garberi. Root a globular tuber; stem erect (1 or more high) ; 

 leaves oblong-lanceolate, widely spreading ; spike loosely many-flowered ; 

 perianth greenish yellow, lateral sepals broadly ovate ; petals wedge-shaped, 

 truncate ; lip linear, obtuse, entire ; spur as long as the ovary (Habenaria, 

 Purler). Damp shady woods, Manatee, South Florida (Garber). 



* * Lip 3-toothed or 3-lobed : /lowers spiked : stem leafy. 



3. P. flava, Grav. Leaves 3 - 4 ; the two lower ones lanceolate or oblong- 

 lanceolate (4'- 8' long), the others small and bract-like ; flowers small, brown- 

 ish green, in a loose and slender many-flowered spike ; sepals and petals oval ; 

 lip oblong, hastate - 3-lobed, the lateral lobes short and rounded, the middle 

 one crenulate at the apex and bearing a tooth-like appendage at the throat; 

 spur club-shaped, mostly shorter than the short ovary. Low shady banks, 

 Florida, and northward. July - August. Stem 1 high. Flowers 2" in 

 diameter. 



4. P. bracteata, Torr. Lower leaves obovate, the others smaller, lan- 

 ceolate ; flowers small, greenish ; sepals and narrow petals erect ; lip oblong- 

 linear, slightly 3-toothed at the tip, longer than the obtuse sac-like spur. 

 (( )rchis viridis, Pursh.) High mountains of Carolina (Pitrsh). Stem low. 

 Bracts large, conspicuous. 



* * * Lip undivided, fringed : flowers spiked: stems leafy. 



5. 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 ronnd- 

 ohovate, 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. Swamps and bogs, chiefly in the pine barrens, 

 Florida, and northward. August. Stem li-2 high. Spike l|'-2' in 

 diameter. Ovary 9" - 1 5" long. Flowers 6" - 8" wide. 



6. P. blephariglottis, Hook. Flowers usually larger, white; fringe 

 of the lip shorter and coarser ; spur much longer than the ovary ; otherwise 

 like the preceding. Swamps. July - August. 



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

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

 flowered ; 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. Bogs and 

 swamps in the lower districts. August. Stem l-2 high. Spike 1' in 

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



* * * * Lip ^-parted, fringed or denticulate: flowers in spiked racemes : 



stem leafy. 

 H- Flowers yellowish white. 



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

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



