524 ORDER CXXII. ORCHIDACE^. 



1. L. pubf.s'cens, (Nutt.) Stem erect, pubescent, leafless. Leaven all 

 radical, ovate, acute. Flowers in racemes; the lip 2-lobed, the other 

 segments connivent, about as long as the lip. Capsule clavate. — 

 Greenish- white. 2f. 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. Lip deeply 

 2-cleft. Capsule oval. — Greenish-white. 2£. May — June. Damp 

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



Genus IV.— CRAN'ICHIS. L. 18—1. 



Segments of the perianth reflexed. Lip vaulted. Pollen 

 farinaceous. Anthers parallel with the style, inserted behind. 



1. C. multiflo'ra, (Ell.) Stem pubescent toward the summit. Rad- 

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

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

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

 on the outer surface ; the two upper interior segments obliquely ensi- 

 form, connivent. Lip vaulted, compressed at the margins, generally 

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

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



Genus V.— POGO'NIA. Juss. 18—1. 

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



Lip sessile, cucullate, crested internally, the remaining 5 seg- 

 ments distinct, without glands. Pollen farinaceous. Anthers 

 terminal, persistent. 



1. P. ophioglossoi'pes, (L.) Stem 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. 2£. April 

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



2. P. divarica'ta, (Nutt.) Stem 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 longest, 

 crested, crenulate. Capsule furrowed. — Purple. If. 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-linear, the two 

 interior lanceolate. Lip rather short, 3-lobed, crested along the center, 

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

 Middle Car. and Geo. 12 — 18 inches. 



