480 



ORCHIDACEAE. 



i. 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, I5 / -2O / high, from a hard, often 

 irregular solid bulb or corm. Leaf arising in 

 autumn from a fresh lateral corm, ovate, 2'-$' long, 

 dark green, frequently surviving through the win- 

 ter, i / -2 / wide. Raceme s'-io' long, very loose; 

 flowers green, tinged with purple; pedicels filiform, 

 bractless; 4 // -6 // long; sepals and petals 3"-4 /A 

 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 L. Sp. PI. 950. 1753. 

 [CALOPOGOX 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, i 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] 



i. Limodorum tuberosum L. Grass- 

 pink. Calopogon. (Fig. 1145.) 



Limodorum tuberosum L. Sp. PI. 950. 1753. 

 Cymbidium pulchellum Willd. Sp. PI. 4: 105. 1805. 

 Calopogon pulchellus R. Br. in Ait. Hort. Kew. Ed. 2, 

 5: 204. 1813. 



Scape slender, naked, i -!^ high. Leaf lin- 

 ear-lanceolate, 8'-i2 / long, 3 // -io // wide, sheath- 

 ing, with several scales below it; spike 4'- 15' long, 

 3-i5-flowered; flowers about i' long, 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. 





