524 ORDER CXXII.— ORCHIDACE^. 



1. L. PUBEs'cExs, (Nutt.) Stem erect, pubescent, ]eafles3. Leaven all 

 radicul, ovate, acute. Flowers in racemes ; the lip 2-iobed, the other 

 segments connivent, about as long as the lip. Ca2)sule clavate. — 

 Greenish- white. If. June — July. Pine-barrens, Car. and Geo. 



2. L. convallarioi'des, (Nutt.) Stem erect, with two opposite, ses- 

 sile leaves near the middle. Leaves cordate, nearly round. Flowers 

 in spikes or racemes ; segments of the perianth reflexed. Ltp deeply 

 2-eleft. Capstcle oval. — Greenish-white. If. May — June. Damp 

 soils. Southern Geo. and Flor. 6 — 12 inches. 



Gexus IV.— CRAN'ICHIS. L. 18—1. 



Segments of the perianth reflexed. Lip vaulted. Pollen 

 farinaceous. Anthers parallel with the style, inserted behind, 



1. C. mitltiflo'ka, (Ell.) Ste7n pubescent toward the summit. Rad- 

 ical leaves oval-lanceolate, glabrous, alternate at the base, on very short 

 petioles ; cauline leaves merely scales, sheathing. Floivers in a termi- 

 nal spike ; the exterior segments of the perianth lanceolate, pubescent 

 on the outer surface ; the two ujiper interior segments obliquely eiisi- 

 form, connivent. L^p vaulted, compressed at the margins, generall}' 

 inclosing the column. Capsule triquetrous, tapering to thy base. — Pale 

 green. If. Sept. — Oct. Southern Geo. and Flor. 1 — 2 feet. 



Genus V.— POGO'NIA. Juss. 18—1. . 

 (From poffon, a beard, in allusion to the fringed lip.) 



Lip sessile, cucullate, crested intern. lly, the remaining 5 seg- 

 ments distinct, without glands. Pollen farinaceous. Anthers 

 terminal, persistent. 



1. P. opHiCGLOSsoi'PES, (L.) Steni erect, with an oval-lanceolate leaf 

 and a foliaceous bract near the flower. Lip scarcely longer than the 

 other segments, winged, fimbriate, with the center thickened, with 

 crested ridges. Flowers solitary, nodding. Column short, thick, solid. 

 Anthers in a cavity at the summit of the column. — Purple. 2f . Aprd 

 — May. Damp soils. Common. 10 — 15 inches. 



2. P. divarica'ta, (Nutt.) Ste77i erect, glabrous. Leaves narrow, lan- 

 ceolate, acute, glabrous ; one near the middle of the stem, the other at 

 the summit. Flowers solitary, at the summit of the stem ; the three 

 exterior leaves of the perianth linear-lanceolate, the two interior lance- 

 olate, connivent, somewhat fleshy. Lip 3-lobed ; middle lobe loiig.-st, 

 crested, crenulate. Capsule furrowed. — Purple. 2^. May. Damp 

 soils. 1 — 2 feet. 



3. P. verticilla'ta, (Muhl.) Stem erect, glaucous. Leaves 5, verti- 

 cillate, oblong-lanceolate, cuneate. Flowers solitary, at the summit of 

 the stem; the three exterior leaves of the perianth long-hnear, the two 

 interior lanceolate. Lip rather short, 3-lobed, cre!?ted along the center, 

 the terminal lobe undulate. Anthers 2-celIed. — Greenish. If. May, 

 Middle Car. and Geo. 12 — 18 inches. 



