ORCniDACEiE. 857 



Leaves 2 to 3 Inches Ion?, 1 inch wide, sheathing at bare. Flowers small, erect, 

 about 4. appressed to tlu rachls iu a thin raceme, greenish-white. 



3. CORALLORHIZA, Ilallcr. Coral-root. 



Gr. koralllon, coral, and rhiza, root; (he root being coral-like. 



Flowers ringent; the sepals and petals nearly alike, 

 the lateral ascending and the upper arching • lip recurved, 

 spreading above, 2 -ridged below, adherent at the base of the 

 straightish column. Anther 2-lipped, terminal : pollen 

 MASSES 4. — Brownish or yellowish herbs, destitute of green 

 filiate, with much branched arid loathed coral life; root- stocks, and, 

 simple scapes furnished with sheaths, bearing dull colored /lowers in 



spiked raceme. 



1. C. MULTIFLORA, Nutt. Large Coral-root. 



Sect})?- many-flowered ; ftp wedge-ovate, 3-lobed. the middle lobe recurved. 3 times 

 as long as the lateral ones; ovary and capsule oblong. 



"Woods, about the roots of trees; common. Aug., Sept, A brownish or purplish 

 plant 10 to IS inches high, with a few sheathing bracts instead of leaves, and 10 to 

 30 rather large brownish-yellow flowers. Lip whitish, spotted with crimson, I4 to 

 % inch long. Spur yellowish, conspicuous. 



2. C. "Wistariana, Conrad. Smaller Coral-root. 



Ssape few-flowered; lip oblong, minutely 2-toothed near the base, minutely 

 notched; spur obsolete ; ovary elongated. 



Woods, near Philadelphia. June. Jnly. Plant about G inches high, with 3 to 10 

 flowers, nearly as large as iu C. multifiora. 



3. C. INNATA, R. Brown. Early Coral-root. 



Scape few-flowered ; ftp oblong, 2-toothcd near the base ; ovary and capsule oblong 

 or club-shaped; spur obsolete. 



Swamps and wet woods. May, June. Scape slender, 5 to 8 inches high, yellow- 

 ish-green, with 3 or 4 membraneous sheaths. Flowers 5 to 10, dingy- jeilowish ; 

 lip white, seldom spotted. 



4. C. odontorhiza, Nutt. Small Late Coral-root. 



Scipe several-flowered ; lip roundish, entire, thin with a crisped or wavy margin; 

 ovary and capsule globular or roundish oval ; spur none. 



Rich woods, about th<: roots of trees. Aug., Sept. Srape 8 to 10 inehes high, a 

 little enlarged at the base, with 2 or 3 sheaths. Flowers 10 to 12 in a terminal 

 pendulous raceme, purplish ; lip whitith, spotted with purple, with 2 oval protu- 

 berances on the palate. 



4. APLECTRUM, Nutt. Adam and Eve. 



Gr. a, without, and pleldron, a spur; from the total want of the latter. 



Flowers ringent. Sepals and petals nearly equal. 

 Lip with a short claw, free, 3 lobed, with a 3-ridged palate ; 

 without a spur. Anther situated a little below the sum- 

 mit of the column. Pollen-masses 4. — A perennial herb, 

 with a simple scape, invested below with 3 greenish sheaths, 

 springing up in May from the side of a thick globular solid 



