OECHIDACEAE. 89 



1. L. Iioeselii (L.) L. C. Rich. Leaf-blades elliptic to elliptic-lanceolate, 5-17 

 cm. long: scape 0.5-2 dm. tall: lateral sepals lanceolate, about 4 mm. long: 

 petals 6-7 mm. long: lip about 4 mm. long, the blade suborbicular, abruptly 

 pointed : capsules oblong, 10-14 mm. long. S. E. Eare, in ravines. Schists. 



2. L. liliifolia (L.) L. C. Eich. Leaf-blades ovate, oval, or oblong-ovate, 5-15 

 cm. long: scape 1-3 dm. tall: lateral sepals linear-lanceolate or nearly linear, 

 about 11 mm. long: petals 11-13 mm. long: lip 11-13 mm. long, the blade 

 obovate-cuneate to suborbicular, erose, abruptly pointed: capsules clavate- 

 oblong, 12-18 mm. long. N. S. Common, on wet banks and in woods. 

 Sandstones and shales, schists. 



17. COBALLORKHIZA [Haller] E. Br. Caulescent succulent purplish, ' 

 brownish, or reddish herbs with coral-like rootstocks. Leaves reduced to scales. 

 Flowers in a terminal raceme. Perianth variously colored. Lateral sepals 

 slightly inequilateral, often curved. Petals rather smaller than the sepals, 

 somewhat narrowed at the base. Lip dilated, the blade undulate or lobed. 

 CORAL-ROOT. 



Lip not lobed, often erose or crisped. 



Lip short-clawed or clawless, the blade short-tipped : column narrowly winged. 



1. C. odontorhiza. 



Lip long-clawed, the blade notched : column broadly winged. 2. (7. Wisteriana. 

 Lip 3-lobed, the lateral lobes spreading or directed forward. 



Lip shallowly 3-lobed: spur obsolete. 3. C. CorallorrMza. 



Lip deeply 3-lobed : spur prominent. 4. C. maculata. 



1. C. odontorhiza (Willd.) Nutt. Stem 1-3 dm. tall: raceme 4-10 cm. long: 

 lateral sepals linear or nearly so, 3-4 mm. long: lip 4-4.5 mm. long, the blade 

 obovate or oval-obovate, with erose-crisped margins and an abrupt acute tip: 

 capsules 6-7 mm. long. S. Common, in rich woods. Schists. Fall. 



2. C. Wisteriana Conrad. Stem 2-3.5 dm. tall: raceme 3-10 cm. long: lateral 

 sepals linear to linear-lanceolate, 68 mm. long: petals oblong-spatulate : lip 

 810 mm. long, the blade broadly oval to broadly obovate, notched at the apex: 

 capsules 9-11 mm. long. M. Eare, in woods. Quartzite. Spr. 



3. C. Corallorrhiza (L.) Karst. Stem 1-3 dm. tall: raceme 2-10 cm. long: 

 lateral sepals linear-spatulate, 3-4 mm. long: petals mostly spatulate: lip 3-4 

 mm. long, the blade with 2 shallow lateral lobes below the middle and an ovate 

 middle lobe: capsules 8-10 mm. long. M. S. Eare, in woods. Limestones, 

 schists. Spr. 



4. C. maculata Eaf. Stem 2-5 dm. tall: raceme 5-20 cm. long: lateral sepals 

 linear to linear-oblong, 6-9 mm. long: petals oblong to oblong-spatulate: lip 

 68 mm. long, the blade with 2 prominent lateral lobes. N. S. Not very 

 common, in rich woods. Sandstones and shales, schists. Fall. 



18. LIMODORUM L. Scapose herbs with corms. Leaves few, consisting 

 of several sheathing scales, and one with an elongate blade. Flowers in a 

 terminal raceme-like spike. Perianth mainly purple, pink-purple, or white. 

 Lateral sepals inequilateral, shorter than the median one. Petals nearly equi- 

 lateral, somewhat narrowed at the base. Lip with 2 minute lateral lobes and a 

 dilated often stalked middle lobe, bearded with clavate hairs. 



1. L. tuberosum L. Leaf-blade narrowly linear to narrowly oblong, 1-1 dm. 

 long: scape 2-9 dm. tall: perianth pink-purple: lateral sepals half -orbicular, 

 15-17 mm. long, acute: petals 16-18 mm. long, the blades oblong to lanceolate: 

 middle lobe of the lip mostly less than 10 mm. wide, flabellate, nearly truncate : 

 column-wings rhombic. S. Rare, in swamps. Schists. Sum. GRASS-PINK. 



