458 ORCHIDACEE. (ORCHIS FAMILY.) 
* * Sepals (brown) linear, spreading, much longer than the erect petals : lip crested, 
3-lobed. 
3. P. divaricata, R. Br. Leaves 2, sessile, lanceolate, one near the . 
middle of the stem, the other smaller and bract-like at the base of the solitary 
terminal flower; sepals purplish-brown, broadly linear, and, like the flesh- 
colored lanceolate petals, recurved at the apex; lip half-cylindrical, wavy and 
crenulate on the margins, 3-lobed at the apex, greenish veined with purple; 
crest beardless. — Swamps, Florida to North Carolina. May. — Stem 1? - 2° 
high. Leaves 2'-5'long. Sepals 1'- 11! long. 
4. P. verticillata, Nutt. Leaves 5, obovate-oblong, abruptly pointed, 
whorled at the base of the solitary reddish-brown flower; sepals linear, spread- 
ing, 3 times as long as the erect oblong yellowish petals, and yellowish 3-lobed 
wavy lip.— Low shady woods, Florida, and northward. May.— Stem 1° high. 
Leaves enlarged in fruit. Flower peduncled. Sepals 2! long. 
10. ARETHUSA, Gronov. 
Sepals and petals alike and nearly equal, cohering at the base, arching and 
connivent over the column. Lip adnate to the base of the column, dilated and 
bent downward above the middle, crested within, Column incurved, expanded 
and petallike at the apex. Anther terminal, lid-like, with the cells approxi- 
mate. Pollen-masses 4, powdery. — Scape erect from a solid globular tuber, 
sheathed, bearing a single large terminal flower. 
1. A. bulbosa, L.— Bogs on the mountains of Carolina, Michauz, eni 
northward. May.— Scape 6'-9' high. Sheaths 3-4, the uppermost enclosing 
a linear late-developed leaf. Flower 1/- 2' long, 2-bracted, bright purple and 
fragrant. : 
ll. ORCHIS, L. Onmocnurs. 
Sepals and petals nearly equal, arching and connivent over the column, Or 
the lateral sepals spreading. Lip adnate to the base of the column, depending, 
` spurred at the base. Anther terminal, erect, the cells contiguous and parallel. 
Pollen-masses 2, waxy, stalked, and, with the two distinct glands, enclosed in à 
common sac or fold of the stigma. — Stem mostly scape-like, leafy at the base. 
Flowers showy, spiked. : 
1. O. spectabilis, L. Leaves 2, obovate-oblong, about as long 95 isi 
3 - 5-flowered 5-angled scape ; bracts lanceolate, leafy, mostly longer than ue 
. flowers; sepals and petals connivent, oblong, purple ; lip white, obovate, TES, 
es e, as long as the club-shaped spur. — Rich shady woods in the PPP. 
ricts, and northward. May. — Root of thick clustered fibres. Scape 4/-© — 
Flowers 6 — 8" long. Dead 
Eu oe MT 
y equal, the lateral sepals spreading, the upper, Wi 3 
