688 OiiBEB 138.— ORCHIDACB^. 



H. LIP'ARIS, Rich. Tway-blade. (Gr. Awapdf, elegant, shining ; 

 a term characteristic of the leaves.) Sepals and petals distinct, sub- 

 linear, spreading or deflexed ; lip spreading, flat, ascending, often exjte- 

 terior.; column winged ; pollinia 4, parallel with each other, without 

 pedicels or glands. — Erect from tuberous bulbs, with about 2 Ivs. and 

 a raceme. 



1 L. lilifolia Rich. Lvs. 2, ovate-lanoeolate ; scape triangular; petals filifdfm, 

 reflexed; Up large, wedge-obovate, abruptly cuspidate at the broad end. — Damp 

 woods, Can. to Oar. "W. to "Wis; Lvs. radical, 3 to 4' long, rather acute, tapering 

 into a sheathing base. Scape about 6' high. Fls. 10 to 20, in a terminal, rather 

 showy raceme. Pedicels near an inch in length. The 3 sepals greeniah-white, 

 linear, 2 upper petals capillary, yellowish-white. Lip 6" long, 4" wide, purple- 

 translucent. Jn. (Malaxia lilifolia. Sw.) 



2 L. LcEsSlii Rich. Lvs. 2, ovate-oblong, obtuse, keeled, shorter than the few- 

 . flowered racemes ; scape angular ; Up oblong, mucronate i-ncuroed, wavy ; sep. and 



pet. linear, subequal. — About half as large as the preceding, in moist meadows 

 and fields, Can. N. Eng. to Penn. and Wis. Lvs. 2 to 3' long, about 1' wide, 

 obtuse or acute, sheathing at base. Scape 3 to 5' high. Ms. about 6, appressed 

 to the rachis, in a thin raceme. Pedicels about 2" in length. Lip 2" long. Sepals 

 and pet. greenish-white. Ovaries clavate, as long as the pedicels. Jn. (Malaxis 

 Correana Bart.) 



12. LIS'TERA, R. Brown. Tway-blade. (Named for Dr. Marti^ 

 Lister, an English naturalist.) Sepals and petals somewhat equal, 

 spreading or reflexed ; lip usually pendulous, 2-lobed, or 2-cleft ; column 

 wingless, the beak rounded; anther dorsal, ovate; pollen powdery. — 

 St. 2-leaved above the middle, with a raceme. Lvs. opposite. 



1 L. cordata E. Brown. Lvs. roundish, subcordate, aoute; rac. few-flowered; 

 pedicels the length of the ovary ; lip linear, 2-toothed at base, deeply bifid, witli 

 divaricate, linear segments ; column very short. — Root fibrous. St. 4 to 8' high, 

 furrowed. Lvs. 8 to 10" diam., sessile, about halfway up the stem. Fls. minute, 

 greenish-purple, 10 to 15, in a short raceme. A delicate little plant, in woods 

 and sphagnous swamps, among mountains, &o., W. States, and Brit. Am. Jl., 

 Aug. 



2 L. convallarioides Hook. Lvs. roundish-ovate; rac. few-flowered, loose, 

 pubescent; sep. ovate-lanceolate; lip. ouneate-spatulate, twice as long as the 

 sepals, 2-toothed at base, with 2 roundish lobes and an intermediate minute one 

 at the apex ; column elongated. — Car. to Arc. Am. Root fibrous. St. very slan- 

 der, 5 to 10' high, sheathed with a few bracts, bearing the 2 lvs. above the mid- 

 dle. Lvs. 1' or more long, nearly as wide. Pis. smaJJ, the broad, obcordate lip 

 about 4" long, purplish. May. 



3 Ii. pub^scens Nutt. St. pubescent, leafless ; lvs. all radical, ovate, acute ; fls. 

 in a raceme; lip 2-lobed, the other segments connivent, about as long as the lip; 

 caps, clavate. — Pine barrens. Car. and Ga. F]a. greenisli- white. Jn., JL — We have 

 seen no specimen. Is it a Cranichis ? 



4 L. auDtralis Lindl. Lvs. ovate; fls. minute, pubsrulent, on pedicels twice 

 longer than the ovary, in a loose, slender raceme ; lip linear, cleft into 2 linear- 

 setaceous segments, 3 or 4 times longer than the sepds. — Swamps, N. Jer. to Ga. 



• May, Jn. 



13. CRAN'ICHIS, Swartz. (Gr. Kpavof, a helmet?)— Sepals spread- 

 ing or reflexed ; lip narrow, entire, arched ; column straight, bearing 

 the anther on the back, parallel with the style ; pollen farinaceous. — 

 Lvs. nearly radical. St. bracted, bearing a slender spike. Fls. obliquely 

 cernuous. 



C. multifldra Efl. St. slender, with a few sheathing bracts, pubescent above ; Ivs. 

 ovate-lanceolate, acute, on short, sheathing petioles near the base ; spike many- 

 flowered, rather loose; sep. pubescent, lanceolate, mostly reflexed ; petals lineor, 



