ORCHIS FAMILY. 327 



an oral or lance-oblong closely sessile leaf near the middle, and a smaller one or 

 bract near the terminal flower, sometimes a second flower in its axil ; flower 1' 

 long, pale rose-color or whitish, sweet-scented ; sepals and petals nearly alike ; 

 lip erect, beard-crested and fringed. 



9. CORALLORHIZA, CORAL-ROOT (which the name means in 

 Greek). 



C. innata. Low woods, mostly N. : 3' -6' high, yellowish, with 5-10 very 

 small almost sessile flowers ; lip 3-lobcd or halberd-shaped at base : fl. spring. 



C. Odontorhiza. Kich woods, common only S. : 6'- 16' high, thickened 

 at base, brownish or purplish, with 6-20 pedicelled flowers, and lip not lobed 

 but ralher stalked at base, the spur obsolete. 



C. multifldra. Common in dry woods, 9' -20' high, purplish, stout, with 

 10-30 short-pedicelled flowers, lip deeply 3-lobed, and adnatc spur manifest. 



10. APLECTRUM, PUTTY-ROOT, ADAM-AND-EVE. (Name, 

 from the Greek, means destitute of spur.) 



A. hyemale. Woods, in rich mould, mostly towards the Alleghanies and 

 N. : scape and dingy flowers in early summer ; the large oval and plaited-nerved 

 petioled leaf appears towards autumn and lasts over winter ; solid bulbs one 

 each year, connected by a slender stalk, those of at least two years found to- 

 gether (whence one of the popular names), 1' thick, filled with strong glutinous 

 matter, which has been used for cement, whence the other name. 



11. CYPRIPEDIUM, LADY'S SLIPPER, MOCCASON-FLOWER. 



(Greek name for Venm, joined to that for a slipper or buskin. ) Two exotic 

 species are not rare in conservatories ; the others are among the most orna- 

 mental and curious of our wild flowers : in spring and early summer. Root- 

 stocks very short and knotty, producing long and coarse fibrous roots. 

 1. The three sepals separate: stem leafy t one-flowered. 



C. arietinum, RAM'S HEAD C. Cold bogs N. : not common ; the smallest 

 species, with slender stem 6' - 10' high, oblong-lanceolate leaves, and a dingy 

 purplish flower, the sac conical And in some positions resembling a ram's head, 

 one sepal lance-ovate, the two others and the two petals linear. 



2. Two of the sepals united by their edges into one under the sac or slipper, but 

 their very tips sometimes separate. 



* Stem l-2 high, leafy to the l-3-Jlowered summit: haves lance-d>long or 

 ovate, with many somewhat plaited nerves, more or less pubescent: sac or 

 slipper horizontal, much inflated, open by a rather large round orijice. 



- Sepals and linear wavy-twisted petals brownish, pointed, larger than the sac. 



C. pub6scens, YELLOW LADY'S-SLIPPER. Low woods and bogs, mainly 

 N. : sac light yellow, higher than broad, convex above ; sepals long-lanceolate : 

 flowers early summer, scentless. 



C. parvifl6rum, SMALLER YELLOW L. In similar situations ; stems and 

 leaves generally smaller, and flower about half the size of the other, somewhat 

 fragrant, the sac broader than high, deep yellow, and the lance-ovate sepals 

 browner. 



C. candidum, SMALL WHITE L. Bogs and low prairies, chiefly W. : 

 small, barely 1 high, slightly pubescent ; sac like that of preceding but white. 

 *- -- Sepals and petals broad or roundish and fiat, white, not larger than the sac. 



C. spectabile, SHOWY L., and deserving the name, in bogs and rich low 

 woods N., and along the mountains S. : downy, 2 or more high, with leaves 

 6' -8' long, white flowers with the globular lip (1^'long) painted with piak- 

 purple, in July. 



* * Scape naked, bearing a small bract and onefloicer at summit. 



*- Wild species, with only a pair of oblong many-nerved dovmy leaves at the root. 



C. acaule, STEMLESS L. Moist or sandy ground in the shade of ever- 

 greens: scape 8 -12' high; sepals and petals "greenish or purplish, the latter 



