536 CXL. ORCHID ACE^E. Goodyera. 



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

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

 lar form suggest the common name. Leaves 3 — 6, i — |' 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 O G O N. Brown. 



Gr. AcaXof, beautiful, rrwywi/, 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; //. radical, ensiform, veined; 5c«pe few-flowered; lip erect, nar- 

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

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

 high, furnished with a single, long leaf (8 — 12' by h'), 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. Peta.ls and sepals expanded. July. 



11. SPIRANTHES. Rich. 



Gr. avcipa, 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 , Jls. in a spiral row ; lip 

 obovate, curled. — A ver}^ 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, ^ as wide, on short 

 petioles, mostl)'- 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. aestivalis. Mr.) 



Radical lvs. linear; scape sheathed; Jls. 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 foot or more high, with a spiral 

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



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



Lvs. radical, linear-lanceolate, veined; sfe77i sheathed; spike dense; fis.re- 

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

 at the apex. — In moist grounds, N. Eng. to Ga. Scape | — IJf high, rather 

 stout, pubescent abov^e, with a dense, twisted spike at summit 1 — 2' long. Leaves 

 3 or more, nearly or quite radical, 3—8 or 10' long, i — 1' wide. Bracts ovate, 

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



12. GOODYfiRA. Brown. 



Nantied for John GooJyer, 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. PUBEscEN-s. Br. RaillcsiiaJce 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. remarkablv distinguished for its leaves which are all radical 



