480 ORCHIDACEAE. 
1. Tipularia unifolia (Muhl.) B.S.P. Crane-fly Orchis. (Fig. 1144.) 
Limodorum unifolium Muhl. Cat. 81. 1813. 
Tipularia discolor Nutt. Gen, 2: 195. 1818. 
Tipularia unifolia B.S.P. Prel. Cat. N. Y. 51. 1888. 
Scape glabrous, 15’-20’ high, from a hard, often 
irregular solid bulb or corm. Leaf arising in 
autumn from a fresh lateral corm, ovate, 2’-3/ long, 
dark green, frequently surviving through the win- 
ter, 1/-2’ wide. Raceme 5/-10/ long, very loose; 
flowers green, tinged with purple; pedicels filiform, 
bractless; 4’/-6’/ long; sepals and petals 3//-4’” 
long, narrow; lip shorter than the petals or equal- 
ling them, 3-lobed, the middle lobe narrow, pro- 
longed, dilated at the apex, the lateral lobes short, 
triangular; spur very slender, straight or curved, 
often twice as long as the flower; column narrow, 
erect, shorter than the petals, the beak minutely 
pubescent; capsule ellipsoid, 6-ribbed, about 6’ 
long. 
In woods, Vermont to Michigan, south to Florida 
and Louisiana, Local and rare. July-Aug. 
15. LIMODORUM IL. Sp. Pl. 950. 1753. 
[CALOPOGON R. Br. in Alt. Hort. Kew. Ed. 2, 5: 204. 1813.] 
Scapose herbs, with round solid bulbs which arise from the bulb of the previous year, a 
leaf appearing the first season, succeeded in the following year by the scape. Flowers sev- 
eral in a loose terminal spike or raceme. Sepals and petals nearly alike, separate, spread- 
ing. Column elongated, 2-winged above. Anther terminal, operculate, sessile; pollinia 
solitary, 1 in each sac, loosely granular. Lip spreading, raised on a narrow stalk, dilated at 
the apex, bearded on the upper side with long club-shaped hairs. [Greek, a meadow-gift. ] 
1. Limodorum tuberosum J,._ Grass- 
pink. Calopogon. (Fig. 1145.) 
Limodorum tuberosum L. Sp. Pl. 950. 1753. 
Cymbidium pulchellum Willd. Sp. Pl. 4: 105. 1805. 
Calopogon pulchellus R. Br. in Ait. Hort. Kew. Ed. 2, 
5: 204. 1813. 
Scape slender, naked, 1°-114° high. Leaf lin- 
ear-lanceolate, 8-12’ long, 3/’-10’’ wide, sheath- 
ing, with several scales below it; spike 4’-15’ long, 
3-15-flowered; flowers about 1’ loug, purplish 
pink, subtended by small acute bracts; sepals ob- 
liquely ovate-lanceolate, acute, about 10’’ long; 
petals similar; column incurved; anther-sacs par- 
allel, attached by a slender thread to the back of 
the column; lip as long as the column, broadly 
triangular at the apex, crested along the face with 
yellow, orange and rose-colored hairs; capsule 
oblong, nearly erect. 
In bogs and meadows, Newfoundland to Ontario and 
Minnesota, south to Florida and Missouri. June-July. 
16. HEXALECTRIS Raf. Neog. 4. 1825. 
Scapose herbs, from thick scaly rootstocks and fleshy coralloid roots, the leaves reduced 
to purplish scales, sheathing the scape. Flowers bracted in a loose terminal raceme. Peri- 
anth not gibbous or spurred at the base, the petals and sepals similar, nerved, spreading. 
Lip obovate, with several crested ridges down the middle, somewhat 3-lobed, the middle 
lobe a little concave. Column free, thick, slightly incurved. Pollinia 8, united in a cluster. 
Capsule ellipsoid, the fruiting pedicels thick. [Greek, signifying six crests. ] 
A monotypic genus of the southeastern United States and Mexico. 
