314 ORCHIDACEAE 



about 5 mm. long, entire or toothed at the apex : lip narrowly oblong, 12-15 mm. long, 

 narrowed into a short claw ; blade rather copiously fringed : spur curved, 4-5 cm. long, 

 about twice as long as the ovary. [Habenaria cont>pictia Nash.] 

 In bogs, Florida. Summer. 



4. Blephariglottis clitoris ( L. ) Kydb. Roots coarse and cord-like or tuberous : stems 

 3-8 dm. tall : leaf-blades oblong to lanceolate, 10-20 cm. long, or smaller above, often acute : 

 spike showy, 3-10 cm. long, 3-8 cm. thick : perianth bright orange : sepals orbicular-ob- 

 ovate, 6-8 mm. long, entire : lateral petals smaller, linear or oblong-linear, usually 

 toothed : lip 10-15 mm. long, copiously fringed from below the middle, the fringe spread- 

 ing : spur slender, 1.5-2.5 cm. long : capsules 10-12 mm. long, each tapering to a beak. 

 [Platanthera ciliaris (L.) Lindl.] 



In woods and meadows, Ontario to Michigan, Florida and Texas. Summer. 



5. Blephariglottis Chapmanii Small. Roots coarse : stems 6-10 dm. tall : leaves few ; 

 blades broadly linear to linear-lanceolate, 1-2 dm. long or shorter above, acute, the lower 

 ones with clasping bases, the upper reduced to sessile bracts : spikes cylindric, about 1 dm. 

 long, 4 cm. thick, many-flowered : perianth deep orange : sepals about 4 mm. long, the lat- 

 eral suborbicular, the other concave, often notched at the apex : lateral petals fan-shaped, 

 3.5-4 mm. long, pectinate-fringed : lip about 1 cm. long, the body linear, with a terminal 

 drooping fringe of 6-8 simple or forking hair-like appendages and 2 basal staghorn-like 

 forking appendages : spur as long as the ovary or longer. 



In pine woods, Apalachicola, Florida. Summer. 



6. Blephariglottis peramoena (A. Gray) Rydb. Roots coarse, often tapering : 

 stems 3-9 dm. tall, strict : leaf -blades oblong to lanceolate, 8-20 cm. long or much smaller 

 above : spike showy, oblong, 4-15 cm. long, 5-8 cm. thick : perianth violet-purple : sepals 

 orbicular-ovate or suborbicular, 6-8 mm. long or the upper smaller : lateral petals smaller 

 than the sepals, orbicular-obovate, entire or erose, contracted into claws : lip 15-20 mm. 

 long, 3-parted, the lobes fan-shaped or cuneate, incised or erose-toothed, the middle lobe 

 usually notched at the apex : spur slender, about as long as the ovary : capsules usually 

 12-15 mm. long. [Platanthera pcramoena A. Gray.] 



In meadows, New Jersey to Illinois, North Carolina and Tennessee. Summer. 



7. Blephariglottis lacera (Michx.) Rydb. Roots coarse or tuberous-thickened: 

 stems 3-9 dm. tall, strict : leaf-blades oblong to lanceolate, 8-20 cm. long or shorter above, 

 ascending : spike elongated, 5-30 cm. long, 3-4 cm. thick : perianth greenish yellow, con- 

 spicuous : sepals ovate or suborbicular, 5-6 mm. long, obtuse : lateral petals linear, almut 

 as long as the sepals, obtuse : lip 3-parted, the lobes with bodies 1 mm. broad or narrower, 

 deeply cleft into a fringe of a few filiform segments : spur somewhat club-shaped, 14-16 mm. 

 long : capsules oblong or clavate, about 1 cm. long. [Platanthera lacera (Michx. ) A. ( Jray.] 



In swamps and open woods, Nova Scotia to Minnesota, Cteorgia and Missouri. Summer. 



8. Blephariglottis leucophaea (Nutt.) Rydb. Roots coarse: stems 3-8 dm. tall, 

 relatively stout : leaf-blades oblong to oblong-lanceolate, 8-20 cm. long or shorter above, 

 ascending : spike ovoid or broadly oblong, 5-12 cm. long, relatively few-flowered : flowers 

 fragrant : perianth white : sepals broadly ovate or oval, 6-10 mm. long, very thin : lateral 

 petals obovate or spatulate, 6-8 mm. long, erose-toothed : lip 3-parted, 12-16 mm. long, 

 the lobes cuneate, divided to about the middle ; segments forming a fringe : spur much 

 longer than the ovary, 2.5-4 cm. long. 



On moist prairies, New York to Minnesota, Kentucky and Arkansas. Summer. 



9. Blephariglottis psycodes (L.) Rydb. Roots coarse : stems 3-10 dm. tall: leaf- 

 blades oval, elliptic or oblong-lanceolate, 5-25 cm. long, or the upper ones smaller : spike 

 5-15 cm. long, several-many-flowered : flowers fragrant : perianth lilac or rarely white : 

 sepals ovate, about 8 mm. long, obtuse, the upper one narrower than the lateral ones : lat- 

 eral petals oblong or oblanceolate, with a few teeth on the upper side : lip 3-parted, 8-12 

 mm. wide, the lobes fan-shaped, well fringed : spur about 15 mm. long, slightly club- 

 shaped near the apex. [Platanthera psycodes (L.) A. Gray.] 



In wet woods, meadows and swamps, Newfoundland to Minnesota, North Carolina and Indiana. 

 Summer. 



10. Blephariglottis grandifldra (Bigel. ) Rydb. Roots coarse : stems 3-15 dm. tall, 

 relatively stout : leaf -blades oblong-obovate, oblong or lanceolate, 1-3 dm. long, or shorter 

 above, erect or ascending : spike showy, 8-40 cm. long, copiously flowered : perianth 

 lilac-purple or white, very showy : sepals ovate or oval, 5-8 mm. long : lateral petals 

 oblong or oblanceolate, somewhat toothed: lip 3-parted, 2-2.5 cm. broad, the lobes fan- 

 shaped, fringed : spur 2-3 cm. long : capsules oblong or nearly so, over 1 cm. long. [Pla- 

 tanthera fimbriata (Willd.) Lindl.] 



In rich woods and meadows, New Brunswick to Ontario, Michigan and North Carolina. Summer. 



