686 ORDER 138. ORCHID ACE.E. 



Plant 3 to 10' high, with 2 to 20 flowera Lvs. 6 to 18" long, thin, the sheath 

 half scarious. Sep. about H" long. Habit quite unlike any of the foregoing 

 species. 



5. TIPULA'RIA, Nutt. (Tipula,ihQ crane-fly ; from the fancied re- 

 semblance of the flowers.) Sepals spatulate, spreading ; petals lance- 

 linear, lip sessile, 3-lobcd, middle lobe linear, much the longest ; spur 

 filiform, very long; column wingless, free; anther operculate, persist- 

 ent ; pollinia 4, parallel. Corms several, connected by a thick fiber. 

 Lf. solitary. Fls. without bracts. 



1 T. discolor Nutt. A slender, green-flowered plant, resembling a Corallorhizii. 

 growing in pine woods, Vt, Mid. States to Ga. Rare northward. Lf. petiolate, 

 ovate, plaited, smooth, and longitudinally veined 2 to 3' long. Scape 10 to 15' 

 high, bearing a raceme of many small, greenish, nodding fls. Spur nearly twice 

 as long as the ovary. Manner of growth similar to that of Aplectrum. Jl. 



6. CALYP'SO, Salisb. (Named for the goddess Calypso, from 

 KaAv~~a), to conceal.) Sepals and petals subequal, ascending, secund ; 

 lip inflated, large, 2-pointed or spurred beneath near the end; column 

 petaloid ; pollinia 4. Scape 1-flowered, 1-leafed, arising from a corm. 

 C. borealis Salisb. A beautiful and interesting plant, in cold mossy bogs, Vt., N. 



JT. Y., Can., but very rare. Scape 6 to 8' high, bearing a single large flower at 

 top and sheathed with several bracts. Lf. broad-ovate, smooth veined, 1 to 2' 

 long. Fl. near the size of Cypripedium, variegated with purple and yellow, the 

 lip its most conspicuous part, bearing 2 projecting points beneath the apex. May. 



7. BLETIA, Ruiz ot Pav. (Named for Luis Blct, a Spanish bot- 

 anist.) Petals and sepals distinct, nearly equal ; lip sessile, cucullatc 

 by its induplicatc side-lobes, spurless (in our species) ; column free ; 

 pollinia 8, in pairs, waxy, each pair pedicellate. Sts. or scapes simple, 

 arising from globular conns and bearing a raceme or head of showy fls. 



1 B. aphylla Nutt. Leafless; scape tall, terete, bearing 3 to 5 short, sheathing 

 remote bracts ; raceme long, loose, with ovate, acute, spreading bractlets ; fls. many, 

 much longer than their pedicels ; lip divaricately veined ; spur none. Car. to Ky., 

 Fla and La, A singular plant, in the borders of swamps, 15 to 30' high, tho 

 thick stem tapering above. Sheaths about half an inch long. Sep. (brownish 

 purple) and pet. (yellowish brown) 8'' long. Lip 3-lobed, with 5 broad plaits or 

 folds. Aug., Sept. 



2 B. verecunda II. Iv. Lvs. all radical, broadly lanceolate, plaited and promi- 

 nently veined ; scape ; scape tall, bearing a many -flowered raceme ; petals con- 

 niveut ; lip with divaricate veins and folds, the side-lobes narrowed towards the 

 apex ; the middle crispate, emarginate, broader than long ; spur none. Ga. and 

 Fla. (Pursh.). Common in the "W. Indies. Scape 2 to 3f high. Fls. purple, 

 large and showy. Jn., Jl. 



8. CORALLORHFZA, Brown. CORAL-ROOT. (Gr. Kopd/ikiov, coral, 

 /3t'a, root ; its branched roots much resemble coral.) Sepals and petals 

 nearly equal, converging; lip produced behind; spur short and adnate 

 to the ovary, or none ; column free ; pollinia 4, oblique (not parallel), 

 free. Plants leafless, simple, of a brown color, arising from coralline 

 ro'ots, sheathed with bracts and bearing a raceme. 



* Spur conspicuously prominent, but aiinate. Lip 8-lobed No. 1 



* Spur -wholly obliterated. Lip crenulate, wavy, not at all lobtd No. 2 



Lip entire, slightly toothed near the base Nos. 3, 4 



3. C. multiflora Nutt. Scape many-flowered ; lip cuneate-oval, spotted ; 3-parted, 

 the middle lobe recurved, lateral ones short and ear-like ; spur conspicuous, aduate ; 

 caps, elliptic-obovoid, pendulous. In woods, growing on the roots of trees, N. 

 Eng. and Mid. States. Root coralline. Scape 10 to 15' high, leafless, brownish- 



