536 CXL. ORCHID ACE^E. GOODYERA. 



lous. A small, delicate plant, in swamps, Mid. W. ! and S. States. Stem 

 scarcely 6' high, slightly angled, with about 3 flowers, which from their singu- 

 lar form suggest the common name. Leaves 3 6, f' long, as wide, 

 purplish. Flowers white or greenish, the segments of the perianth equal, con- 

 verging, and rather longer than the lip. Aug. 



10. C A L O P G O N. Brown. 



Gr. jcaAoj, beautiful, TrwywJ', beard ; in allusion to the bearded lip. 



Segments of the perianth distinct ; lip on the upper side of the 

 flowers, unguiculate, bearded ; column free, winged at the summit ; 

 pollen angular. 



C. PULCHELLUS. Br. (Cymbidium. Willd.} Grass Pink. 



Rt. tuberous; If. radical, ensiform, veined; scape few-flowered ; lip erect, nar- 

 rowed at base, with an expanded border, and a concave, hairy disk. A truly beau- 

 tiful plant, in swamps and moist meadows,. U. S. and Can. Scape slender, 10 20' 

 high, furnished with a single, long leaf (8 12' by '), sheathing its base. Flow- 

 ers 3 8, large, purple, remarkable for their inverted position ; lip expanded 

 at the end and fimbriate on the upper side of the flower, while the column is 

 below. Petajs and sepals expanded. July. 



11. SPIRANTHES. Rich. 



Gr. erreipa, a cord; in reference to the twisted spike. 



Flowers in a spiral spike ; petals connivent ; lip unguiculate, 

 parallel with the column, entire, with 2 callous processes at base ; 

 column free, clavate, bidentate at summit ; ovary oblique ; stigma 

 rostrate. 



1. S. GRACILIS. Beck. (Neottia. Bw.} Ladies' Tresses. 



Lvs. radical, ovate, caducous ; scape sheathed , fls. in a spiral row ; lip 

 obovate, curled. A very delicate plant, not uncommon in old woods, N. Eng., 

 Can. Scape leafless, with several remote, sheathing scales, very slender, and 

 8 12' high. Leaves 3 4, close to the ground, 1 2' long, J as wide, on short 

 petioles, mostly withering and falling away before the flowers expand. Flow- 

 ers small, white, arranged in a row which winds once or twice around the 

 stem. July. 



2. S. TORTILIS. Sw. (Ophrys. MX. S. sestivalis. MX.) 



Radical Ivs. linear; scape sheathed; fls. spirally secund; lip somewhat 3- 

 lobed, the middle lobe larger, crenulate. A plant mostly similar to the last, in 

 woods and meadows, N. Eng. to Car. Leaves 3 6' by 2 4" commonly dis- 

 appearing before flowering. Scape slender, a fool or more high, with a spiral 

 row of oblique, small, white flowers, forming a twisted spike 2 4 f long. July. 



3. S. CERNUA. Rich. (Neottia. Willd.} 



Lvs. radical, linear-lanceolate, veined; stem sheathed; spike dense; fls. re- 

 curved, drooping ; sep. and pet. cohering ; lip oblong, entire or crenulate, dilated 

 at the apex. In moist grounds, N. Eng. to Ga. Scape J lf high, rather 

 stout, pubescent above, with a dense, twisted spike at summit 1 2' long. Leaves 

 3 or more, nearly or quite radical, 38 or 10' long, 1' wide. Bracts ovate, 

 acuminate, as long as the greenish flowers. Aug. Oct. 



12. GOODYERA. Brown. 



Named for John Goodyer, an obscure English botanist. 



Perianth ringent ; calyx herbaceous, upper sepal vaulted, the 2 

 lower ones beneath the saccate and entire lip ; column free, pollen 

 angular ; stigma prominent, roundish. 



G. PUBESCENS. Br. RaUksnake Plantain. 



Lvs. radical, ovate, petiolate, reticulate; scape sheathed, and with the 

 flowers, pubescent ; lip ovate, acuminate ; pet. ovate. A plant found in woods, 

 Can. and U. S. remarkably distinguished for its leaves which are all radical 



