ORCHIS FAMILY. 453 



Economic uses: The rliizome with the rootlets, nuder the name of "nervine root," 

 is nsed medicinally. 



Type locality not ascertained. 

 Herb. Geol. Surv. Herb. Mohr. 



Cypripedium parviflorum Salisb. Trans. Linn. Soc. 1 : 77. 179L 



Smaller Yellow Lady's Slipper. 



Cypripedium calceolus Micbx. Fl. Bor. Am. 2 : IGl. 1803. Not L. 



Ell. Sk. 2 : 507. Gray, Man. ed. (i, 51L Chap. Fl. 464. 



Canadian zone to Carolinian area. Xewfonudland and Ontario to Saskatchewan 

 and Ivocky Mountains; New England, west to Minnesota; through the Atlantic 

 States to Mississippi and Arkansas. 



Alaisama: Mountain region. Open woods and copses. Clay County, Elders, 1,000 

 feet. Madison County, Montesano. I_)ekalb County, Lookout Mountain, 1,600 feet. 

 Cullman County. Flowers yellow, fragrant. jMay; not freciuent. 



Economic uses: The root is used like that of the last under the same name. 



Type locality: "Sponte nascentem in Virginia legit H. Marshall." 



Herb. Ceol. Surv. Herb. Mohr. 



Cypripedium acaule Ait. Hort. Kew. 3 : 303. 1789. 



Pi:rple Lady's Slippei;. Moccasin Flower. 



Ci/pripeditim humile Salisb. Trans. Linn. Soc. 1 : 79. 1791. 



Ell. Sk. 2 : 509. Gray, Man. ed. 6. 511. Chap. Fl. 464. 



Boreal region (Hudsonian zone) to the Carolinian area. Newfoundland, Nova 

 Scotia and Ontario and to the arctic circle; throughout the continent cast of the Mis- 

 sissippi Kiver as I'ar south as the District of Columbia and along the mountains to 

 North Carolina. 



Alabama: Mountain region. Shady woods, in boggy damp places. Cullman 

 County, Beaver's Mill, in boggy woods, 700 feet altitude. Dekalb County, Lookout 

 Mountain, damp banks of Little River. Perianth white with ])urple lip. May; 

 infrequent. 



Type locality : "Native of North America." 



Herb. Geol. Surv. Herb. Mohr. 



ORCHIS L. Sp. PI. 2:939. 17.53. Orchis. 



About 80 species, mostly of temperate Europe and Asia. North Africa. North 

 America, 3. 



Orchis spectabilis L. Sp. PL 2: 943. 1753. Showy Orchis. 



Orchis hiimilis Michx. Fl. Bor. Am. 2 : 155. 1803. 



Ell. Sk. 2 : 487. Gray, Man. ed. 6, 506. Chap. Fl. 4.58. 



AUeghenian and Carolinian areas. New Brunswick and Ontario; New England 

 west to Minnesota, Dakota, and Nebraska, south to the Ohio Valley, Missouri, and 

 Arkansas, and along the mountains to Georgia. 



Alabama: Mountain region. Rich woods. Madison County, Montesano, 1,500 

 feet. Flowers rose red. May; rare. 



Type locality : "Hab. in Virginnt. D. Gronovius." 



Herb. Geol. Sur\ . Herb. Mohr. 



HABENARIA Willd. Sp. PI. 4:44. 1805. 



(Platanthera Rich. Ann. Mus. Par. 4 : 48. 1808.) 



Four hundred and fifty to 500 species, perennials, widely distributed over tem- 

 perate and warmer regions, chietly Asia, Europe, America. North America, 35 to 

 40 species; Eastern North America, 20. 



Habenaria clavellata (Michx.) Spreng. Syst. 3 : 689. 1826. 



Small Green Wood Orchis. 



Orchis clavellata Michx. Fl. Bor. Am. 2 : 155. 1803. 



O. tridentata Willd. Sp. PL 4 : 41. 1805. 



Habenaria Iridentata Hook. Exot. Fl. 2 : t. 81. 1825. 



Ell. Sk. 2 : 486. Gray, \Lan. ed. 6, 506. Chap. Fl. 459. 



Canadian zone to Louisianian area. Newfoundland, Quebec, Ontario ; New England 

 west to Minnesota, Missouri, and Arkansas; southern New .Jersey to western Morida 

 and ]Missis8ipi)i. 



Alabama: Metamorphic hills. Central Pine belt to Coast plain. Shaded boggy 

 woods. Lee County, Auburn (F. S. Earle). Tuscaloosa County, Vance's Station. 

 Montgomery County, Pentulalla Creek. Escambia County, W^ilson's Station. Mon- 



