312 OECHIDACEAE 



1. Fissipes acaulis (Ait.) Small. Leaves 1-3 dm. long; blades oblong-elliptic 

 or oval: scape 1-5 dm. tall: sepals oblong to lanceolate, 3-4 cm. long: petals nar- 

 rower and longer than the sepals: lip pink or rarely white, obovoid, 4-6 cm. long: 

 capsule 3.5-4 cm. long. 



In sandy woods and bogs, Newfoundland to Minnesota, North Carolina and Tennessee. 

 Spring. 



3. GALEORCHIS Kydb. 



Aeaulescent fleshy herbs, with tuberous roots. Flowers in a spike. Perianth 

 ringent. Sepals and petals converging. Lip broad, spurred. Stigma hollow, the 

 glands enclosed in a pouch. SHOWY ORCHIS. 



1. Galeorchls spectabilis (L.) Eydb. Leaves usually 2; blades oblong-elliptic, 

 elliptic or oval, 6-17 cm. long: scape 1-3 dm. tall, the spike 3-1 2 -flower ed : perianth 

 violet-purple or white: lip 10-13 mm. long, slightly shorter than the spur: capsules 

 2-2.5 cm. long. 



In woods, New Brunswick to Ontario, Minnesota, Georgia and Nebraska. Spring. 



4. COELOGLOSSUM Hartman. 



Caulescent herbs, with biennial 2-branched tubers, the stem leafy. Flowers 

 relatively small, in a terminal spike. Perianth green or greenish. Sepals and petals 

 converging, the petals much narrower than the sepals. Lip narrow, 2-3-lobed at the 

 apex, the spur much shorter than the lip. Anthers with narrow valves, the glands 

 surrounded by a thin membrane. 



1. Coeloglossum bracteitum (Willd.) Parl. Stem 2-6 dm. tall: leaf -blades 

 oblong-ovate to oblong-elliptic or oblong-lanceolate, 10-15 cm. long: bracts sur- 

 passing the flowers: sepals ovate to ovate-lanceolate, 5-6 mm. long: petals nearly 

 linear or linear-filiform: lip narrow, 6-8 mm. long: capsules 8-10 mm. long. 



In meadows and woods, New Brunswick to British Columbia, North Carolina and 

 Nebraska. Spring. 



5. LYSIAS Salisb. 



Caulescent herbs, the stem scape-like, scaly. Flowers in a spike or raceme. 

 Perianth white or greenish. Sepals spreading, relatively broad, the lateral ones 

 longer and narrower than the median one. Petals much smaller than the sepals. 

 Lip narrow, entire, the spur longer than the lip. Anthers with diverging sacs whose 

 beak-like bases project forward. 



1. Lysiaa orbiculata (Pursh) Kydb. Stems 3-9 dm. tall: basal leaves 2, 

 flat on the ground; blades orbicular to oval, 1-3 dm. long: sepals greenish white, the 

 median one suborbicular or reniform, 5-6 mm. long, the lateral ones ovate, 8-10 mm. 

 long: petals reflexed, 7-8 mm. long: lip nearly linear, 12-15 mm. long, obtuse, the 

 spur 2.54 cm. long: capsules about 1.5 cm. long. 



In woods, Newfoundland to British Columbia, Georgia and Minnesota. Summer. 



6. BLEPHARIGLOTTIS Kaf. 



Caulescent herbs, the stem leafy. Flowers in a terminal spike. Perianth white, 

 yellow, orange, purple or violet-purple. Sepals spreading or reflexed. Petals toothed 

 or lacerate. Lip fringed, or 3-lobed, the lobes toothed or laciniate. Spur often 

 longer than the lip. Anthers with widely separated sacs, their narrow beak-like bases 

 supported on the arms of the stigma, projecting forward and upward. Glands naked. 

 Summer. 



Petals fringed at the apex: lip not 3-lobed. 



Lip mostly less than 8 mm. long: petals slightly shorter than the lip. 1. B. cristata. 



Lip mostly over 10 mm. long: petals about Yz as long as the lip. 

 Perianth white. 



Lip with long-fringe: spur about as long as the ovary. 2. B. Blephariglottis 



Lip with short fringe: spur about twice as long as the ovary. 3. B. conspicua. 



Perianth yellow or orange. 



Petals spatulate: lip fringed all around. 4. B. ciharis. 



Petals cuneate: lip with 2 basal tufts and a terminal fringe. 5. B. Chapmanu. 



