ORCHID FAMILY. 477 
2. Leptorchis Loeselii (L.) MacM. Fen 
Orchis. Loesel’s Twayblade. (Fig. 1137.) 
Ophrys Loeselit 1.. Sp. Pl. 947._ 17 
Liparis Loeselti 1. C. Rich.; Lindl Bot. Reg. p/. 8&2, 
1825. 
Leptorchis Loeselii MacM. Met. Minn. 173. 1892. 
Scape 2/-8’ high, strongly 5-7-ribbed. Leaves 
elliptic or clliptic-lanceolate, 2’-6’ long, 14/—2/ 
wide, obtuse; raceme few-flowered; flowers green- 
ish, smaller than those of the preceding species, 
2//-3/’ long; sepals narrowly lanceolate, spreading; 
petals linear, somewhat reflexed; lip obovate, 
pointed, rather shorter than the petals and sepals, 
its tip incurved; column half as long as the lip or 
less; capsule about 5’ long, wing-angled, on a 
thickened pedicel. 
In wet thickets and on springy banks, Nova Scotia 
to the Northwest Territory, south to Maryland and 
Missouri. Alsoin Europe. May-July. 
12. CALYPSO Salisb. Par. Lond. A/. 89. 1807. 
Bog herb, with a solid bulb and coralloid roots, the low 1-flowered scape sheathed by 2 
or 3 loose scales and a solitary petioled leaf at the base. Flower‘large, showy terminal, 
bracted. Sepals and petals similar, nearly equal. Lip large, saccate or swollen, 2-parted 
below. Column dilated, petal-like, bearing the lid-like anther just below the summit. Pol- 
linia 2, waxy, each 2-parted, without caudicles, sessile on a thick gland, the stigma at the 
base. [Dedicated to the goddess Calypso. ] 
A monotypic species of the cooler portions of the north temperate zone. 
1. Calypso bulbosa (1,.) Oakes. Calypso. 
(Fig. 1138.) 
Cypripedium bulbosum I,. Sp. Pl. 951. 1753. 
Calypso borealis Salisb. Par. Lond. pl. So. 1807. 
Calypso bulbosa Oakes, Cat. Vermont Pl. 28. 1842. 
Bulb 5’’ in diameter or less. Scape 3/-6/ high; leaf 
round-ovate, 1/-114’ long, nearly as wide, obtusely 
pointed at the apex, rounded or subcordate at the base, 
the petiole 1/-2’ long; flowers variegated, purple, pink 
and yellow, the peduncle jointed; petals and sepals 
linear, erect or spreading, 5/’-7’’ long, with 3 longitu- 
dinal purple lines; lip large, saccate, 2-divided below, 
spreading or drooping, with a patch of yellow woolly 
hairs near the point of division; column erect, broadly 
ovate, shorter than the petals; capsule about 14’ long, 
many-nerved. 
Labrador to Alaska, south to Maine, Michigan, Califor- 
nia, and in the Rocky Mountains to Arizona. Also in 
Europe. Flower somewhat resembling that of a small 
Cypripedium. May-June. : 
t3. CORALLORHIZA R. Br. in Ait. Hort. Kew. Ed. 2,5: 209. 1813. 
Scapose herbs, saprophytes or root-parasites, with large masses of coralloid branching 
roots, the leaves all reduced to sheathing scales. Flowers in terminal racemes. Sepals 
nearly equal, the lateral ones united at the base with the foot of the column, forming a 
short spur or gibbous protuberance, the other one free, the spur adnate to the summit of the 
ovary. Petals about as long as the sepals, 1-3-nerved. Lip 1-3-ridged. Column nearly 
free, slightly incurved, somewhat 2-winged. Anther terminal, operculate. Pollinia 4, in 2 
pairs, oblique, free, soft-waxy. [Greek, from the coral-like roots. ] 
About 15 species, widely distributed in the north temperate zone. Besides the following, some 
4 others occur in the southern and western parts of North America. 
Spur small or sac-like, adnate to the top of the ovary. 
Lip not deeply 3-lobed. 
Lip 2-toothed or 2-lobed above the base. 1. C. Corallorhiza.. 
Lip entire, or merely denticulate. 
Flowers about 3'’-4'' long; lip not notched; column narrowly winged. 2. C. odontorhiza. 
Flowers 7’' long; lip notched; column manifestly winged, 3. C. Wisteriana. 
Lip deeply 3-lobed; flowers 6''-9’ ‘long. 4. C. multiflora, 
No spur or sac. 5. C. striata. 
