464 ORCHIDACEX. (ORCHIS FAMILY.) 
pals; column manifest. — Damp mossy woods, on the mountains of North 
Carolina, July. — Stem 4' -8' high. Leaves }/~1! long. 
18. PONTHIEVA, R. Brown. 
Sepals and petals nearly alike, the two outer sepals spreading, the upper one 
connivent with the petals. Petals, like the lip, adnate to the middle of the col- 
umn. Lip posterior, clawed, ovate, concave, spreading. Column 2-lobed, 
beaked. Anther dorsal, linear, stalked, 4-celled. Pollen-masses 4, linear, pow- 
dery. — Low herbs, with clustered roots, chiefly broad radical leaves, and green- 
ish flowers on a pubescent scape.. 
1. P. glandulosa, R. Brown. Leaves many-nerved, oblong, spreading, 
narrowed into a short petiole ; scape slender, many-flowered ; bracts lanceolate ; 
lateral sepals flat. (Cranichis multiflora, Nutt. Ophrys pubera, Michz.) —Low 
shady woods, Florida to North Carolina. Sept. and Oct. — Scape 1°- 1j? high. 
19. CYPRIPEDIUM, L. Lapy’s SLIPPER. 
Sepals 3, the two lower ones mostly united into one under the lip, spreading. 
Petals narrower. Lip large, inflated, and sac-like. Column short, 3-lobed, the 
two lateral lobes each bearing a 2-celled anther on the under side, the middle one 
(sterile stamen) petal-like. Pollen granular. Stigma thick, triangular. — Root 
fibrous. Leaves large, plaited, sheathing. Flowers large, mostly solitary, leafy- 
bracted, nodding. a 
* Stem leafy : sepals and petals longer than the yellow lip, the latter linear and twisted. 
1. C. pubescens, Willd. Pubescent; stem sheathed at the base; leaves 
4-6, ovate-oblong, acute or acuminate; flowers 1-3; sepals greenish, striped 
with deeper lines, lanceolate, acuminate, the lower sometimes 2-cleft at the apex; 
petals linear, spirally twisted ; lip large (1'— 1/ long), laterally flattened, spotted 
within; stigma triangular, obtuse.—Rich woods in the upper districts, and 
northward. May and June. — Stem 19 - 11? high. Leaves 4’ - 6’ long. Flow- 
ers inodorous. 
2. C. parviflorum, Salisb. Very near the preceding, but every WY 
smaller; lip half as large, depressed above; stigma triangular, acute ; flowers 
fragrant. — Rich woods in the upper districts. May and June. 
* 3 Stem leafy: sepals and petals white, flat, obtuse, not longer than the lip. 
3. C. spectabile, Swartz. Pubescent; leaves 6-7, oval, acute; sepals 
oval or oblong, rather longer than the lanceolate petals ; lip (13! long) — 
inflated, white tinged with purple, about as long as the sepals. — Mountains 
North Carolina, and northward. May and June.— Stem 29 high, d 
2-flowered. Leaves 4'—6'long. Flowers very showy- 
