OKDTCTC CXXIT. ORCHIDACE/E. 



523 



7 Flowers axillary, nodding Triphora, 9 



Flowers in spikes or racemes 8 



8. Plants parasitic Epidendrum, 16 



Plants not parasitic 9 



9. Column winged , Malaxis, 14 



Column not winged 10 



10. Pollen becoming waxy Blctia, 13 



Pollen farinaceous 11 



11. Leaf solitary, seldom 2 Calopogon, 6 



Leaves more than 1 12 



12. Leaves 2, near the middle of the stem Listera, 3 



Leaves several 13 



13. Radical leaves broad, veined Goody era, 1 



Radical leaves not veined 14 



14. Eadical leaves oval- lanceolate Cranichis, 4 



Radical leaves lanceolate Neottia, 2 



Genus L— GOODYE'RA. Brown, 18—1. 

 (In honor of John Goodyer, a British botanist.) 



Perianth ringent ; the two outer lateral segments situated 

 beneath the lip, the interior segments ovate, with the lip gib- 

 bous at the base, undivided at the summit. Pollen consisting 

 of granules in a loose state of cohesion, angular. Column free. 



1. G. pubes'cens, (Willd.) Stem pubescent toward the summit. 

 Radical leaves ovate, petiolate, reticulate, veined with white. Flotocrs 

 in an oblong spike. Lip ovate, acuminate. — White. 2£. July — Aug. 

 Shady woods. 6 — 10 inches. Rattlesnake-plantain. 



Genus IT.— NEOT'TIA. L. 18—1. (Spiranihes, Rich.) 

 (From neottia, a bird's-nest, in allusion to the fibres of the root.) 



Perianth ringent ; the two outer segments affixed beneath 

 the lip, interior ones connivent. Lip unguiculate, parallel to 

 the column. Pollen farinaceous. 



1. N. tor'tilis, (L.) Stem pubescent toward the summit. Radical 

 leaves linear, glabrous ; cauline ones subulate, acute. Scape sheathed. 

 Flowers in compact, spiral spikes ; the lip 3-cleft, the middle lobe hirge 

 and crenulate. — White. 2£. June — July. Damp soils. Through the 

 summer. 8 — 12 inches. 



2. N. cer'nua, (L.) Stem erect, sheathed. Leaves lanceolate, nerved. 

 Flowers in dense spikes, recurved, nodding. Lip oblong, acute, entire. 

 This plant varies much in the form of its leaves and the size of its 

 flowers, and in the time of their blooming. — Greenish-white. 2£. 

 Through the summer. Moist grounds. 1 — 2 feet. 



Genus III— LTSTE'RA. Brown, 18—1. 

 (In honor of Martin Lister, an English physician.) 



Perianth irregular, spreading or reflexed. Lip pendulous, 2- 

 lobed, sessile. Column minute, free. Pollen farinaceous. 



