ORCHIDACEAE. 



10. Habenaria flava (L.) A. Gray. 

 Tubercled Orchis. Small Pale- 

 green Orchis. (Fig. 1105.) 



Orchis flava L,. Sp. PI. 942. 1753. 

 Orchis virescens Willd. Sp. PI. 4: 37. 1805. 

 Habenaria virescens Sprang. Syst. 3: 688. 1826. 

 Habenaria flava A. Gray, Am. Journ. Sci. 38: 308. 

 1840. 



Stem rather stout, i-2 high, leafy. Leaves 

 lanceolate or elliptic, acute or obtuse, 4'- 12' 

 long, 8" -3' wide; spike 2 / -6 / long; bracts acu- 

 minate, longer than the ovaries; petals greenish; 

 sepals and petals ovate or roundish, about 3" 

 long; sepals greenish yellow, lip a little longer 

 than the petals, entire or crenulate, with an ob- 

 tuse tooth on each side and a central tubercle at 

 the middle of the base; anther-sacs parallel, the 

 sides forming a rounded cavity, in which lie the 

 orbicular incurved glands; capsule about 4" long. 



In moist soil, Ontario to Minnesota, south to Flor- 

 ida and Louisiana and Missouri. June-July. 



ii. Habenaria cristata (Michx.) R. Br. 

 Crested Yellow Orchis. (Fig. 1106. ) 



Orchis cristata Michx. Fl. Bor. Am. 2: 156. 1803. 



Habenaria cristata R. Br. in Ait. Hort. Kew. Ed. 2, 5: 

 194. 1813. 



Stem slender, angled, S r -2 high. Leaves nar- 

 rowly lanceolate, 2 / -S / long, 3 // -8 // wide, the upper 

 much smaller, similar to the bracts; bracts as 

 long as the flowers; spike 2 '-4' long, dense; flowers 

 orange; sepals roundish-ovate, about \ l /z ff long, the 

 lateral ones spreading; petals narrower, pectinate- 

 fringed; lip slightly longer than the sepals, not 3- 

 parted, but deeply fringed to the middle or bej'ond; 

 spur 2 // ~3 // long, about half as long as the ovary; 

 anther-sacs divergent at the base, widely separated. 



In bogs, New Jersey to Florida and Louisiana. 

 July-Aug. 



12. Habenaria ciliaris (L/. ) R. Br. 

 Yellow Fringed Orchis. (Fig. 1107.) 



Orchis ciliaris L. S.P- PI- 9.39- I 753- 

 Habenaria ciliaris R. Br. in Ait. Hort. Kew. Ed. 2, 

 5: 194. 1813. 



Stem slender, i-2^ high. Leaves lanceo- 

 late, acute, 4'-8' long, 6"-i8" wide, the upper 

 smaller; spike closely many-flowered, 3'-6' long, 

 sometimes nearly 3' thick; flowers orange or 

 yellow, large, show}-; sepals orbicular or broadly 

 ovate, oblique at the base, 2 // -4 // long; the lat- 

 eral ones mostly reflexed; petals much smaller, 

 oblong or cuneate, usually toothed; lip oblong, 

 <j"_7// long, copiously fringed more than halt- 

 way to the middle; spur I'-i^' long, very 

 slender; anther-sacs large, divergent at the base, 

 bearing a small white tubercle on the outer side. 



In meadows, Vermont (?) and Ontario to Michi- 

 gan, south to Florida and Texas. July-Aug. 



