ORCHIS FAMILY. 327 



an oval 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-KOOT (which the name means in 

 Greek). 



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

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



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

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

 but rather stalked at base, the spur obsolete. 



C. multifl6ra. Cojnmon in dry woods, 9' -20' high, purplish, stout, with 

 10-30 short-pedicelled flowers, lip deeply 3-lobed, and adnate 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 Venus, 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, one-flowered. 



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

 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 ti/>s sometimes separate. 



# Stem l-2 high, leafy to the l-3-flowered summit: leaves lance-oblong or 

 ovate, with man// somewhat plaited nerves, more, or It-ss pubf scent: sac or 

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



H Sepals and linear ivavy-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 prairie-;, chiefly W. : 

 small, bai-ely 1 high, slightly pubescent ; sac like that of preceding but white. 

 *- -- Sepals and petals broad or roundish an>l flat, white, not largfr thrrn 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, Avhite flowers with the globular lip (1^'long) painted vnth pink- 

 purple, in July. 



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

 *- Wild species, witli o/;/y a pair of oblong many-nerved downy leaves at the root. 

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

 greens : scapo 8 - 12' high ; sepals arid petals greenish or purplish, the latter 



