OECHIDACEAE 313 



Petals entire, crenulate or merely erose: lip 3-lobed. 



Petals entire, linear: lip with narrow lobes. 6. B. lacera. 



Petals crenulate or erose, dilated upward: lip with dilated lobes. 



Perianth white: jjetals with flabellate-dilated blades. 7. B. leucophaea. 



Perianth lilac or violet-purple (albinos occur) : petals not flabellate-dilated. 

 Lobes of the lip fimbriate or fringed: petal-blade toothed on the sides. 

 Lip 14-20 mm. long: lateral sepals 9-11 mm. long: petals 9-12 



mm. long. 8. B. grandiflora. 



Lip 7-10 mm. long: lateral sepals 5-6 mm. long: petals 5-7 mm. 



mm. long. 9. B. psycodes. 



Lobes of the lip incised or erose: petal-blade toothed at the tip or 



entire. 10. B. peramoena. 



1. Blephariglottis crist^ta (Michx.) Eaf. Stem 2-6 dm. tall: leaf -blades 

 linear-lanceolate to linear, 5-20 cm. long: perianth orange: lateral sepals orbicular- 

 ovate or broadly ovate, 3-3.5 mm. long: petals euneate, about 3.5 mm. long, fringed 

 above the middle: lip suborbicular in outline, 5-9 mm. long, deeply fringed: sjjur 

 4-6 mm. long. 



In swamps, New Jersey to Florida and Louisiana. 



2. Blephariglottis Blepharigldttis (Willd.) Eydb. Stem 3-9 dm. tall: leaf- 

 blades oblong-lanceolate to linear-oblong, 10-25 cm. long: perianth white: lateral 

 sepals suborbicular to orbicular-obovate, 5-7 mm. long: petals linear or linear- 

 cuneate, 5-6 mm. long, fringed at the apex: lip ovate in outline, 8-14 mm. long, 

 rather copiously fringed: spur 10-25 mm. long. . 



In swamps, Newfoundland to Minnesota and Florida. 



3. Blephariglottis conspicua (Nash) Small. Stems 4-8 dm. tall: leaf -blades 

 linear-lanceolate to broadly linear, 8-40 cm. long: perianth white: lateral sepals 

 suborbicular, 6-9 mm. long: petals linear or oblanceolate, 5-8 mm. long, erose or 

 toothed at the apex: lip oblong or oblong-lanceolate, 12-16 mm. long, short-fringed: 

 spur 40-50 mm. long. 



In bogs, Florida. 



4. Blephariglottis cili^ris (L.) Eydb. Stem 3-8 dm. tall: leaf -blades oblong 

 to lanceolate, 8-20 cm. long: perianth orange: lateral sepals orbicular-ovate to 

 orbicular-obovate, 6-8 mm. long: petals linear, oblong-linear or spatulate, 5-7 mm. 

 long, sharply toothed at the apex: lip ovate in outline, copiously fringed: spur 15-25 

 mm. long. 



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



5. Blephariglottis Cbapmanii Small. Stem 6-10 dm. tall: leaf -blades linear- 

 lanceolate to broadly linear, 9-20 cm. long: perianth deep orange: lateral sepals 

 suborbicular to orbicular-ovate, 3.5-4.5 mm. long: petals flabellate or euneate, 3.5-4 

 mm. long, pectinate fringed: lip about 10 mm. long, the linear body with a terminal 

 fringe and of basal lateral fringes: spur 16-20 mm. long. 



In pine lands, Florida. 



6. Blephariglottis Idcera (Michx.) Eydb. Stem 3-9 dm. tall: leaf -blades oblong 

 to lanceolate, 8-20 em. long: perianth greenish yellow: lateral sepals ovate to orbicu- 

 lar-ovate, 5-6 mm. long: petals linear, 5.5-6 mm. long, entire: lip 12-15 mm. long, 

 each narrow lobe terminating in a fringe of several processes: spur 14—16 mm. long. 



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



7. Blephariglottis leucophaea (Nutt.) Eydb. Stem 3-8 dm. tall: leaf -blades 

 oblong to oblong-lanceolate, 8-20 cm. long: perianth white: lateral sepals broadly 

 ovate or oval, 6-10 mm. long: petals obovate to broadly spatulate 6-9 mm. long, 

 arose: lip 12-16 mm. long, the euneate lobes long-fringed: spur 25-40 mm. long. 



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



8. Blephariglottis grandiflora (Bigel.) Eydb. Stem 3-15 dm. tall: leaf -blades 

 oblong-obovate or oblong to lanceolate, 8-30 cm. long: perianth lilac-purple: lateral 

 sepals ovate, 9-11 mm. long: petals with narrow claws: lip with a spur 20-30 mm, 

 long. 



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



9. Blephariglottis psycodes (L.) Eydb. Stem 3-10 dm. tall: leaf -blades oval, 

 elliptic or oblong-lanceolate, 5-25 cm. long: perianth lilac: lateral sepals ovate, 5-7 

 mm. long: petals with broad claws: lip with a sjiur 13-16 mm. long. 



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

 and Indiana. 



