ORCHIS FAMILY. 453 



Economic uses: The rhi/ome with the rootlets, under the name of "nervine root," 

 is used medicinally. 

 Type locality not ascertained. 

 Herb. Geol. Surv. Herb. Mohr. 



Cypripedium parviflorum Salisb. Trans. Linn. Soc. 1 : 77. 1791. 



SMALLER YELLOW LADY'S SLIPPER. 



Cypripedium calceolus Michx. Fl. Bor. Am. 2 : 161. 1803. Not L. 



Ell. Sk. 2 : 507. Gray, Man. ed. 6, 511. Chap. Fl. 464. 



Canadian zone to Carolinian area. Newfoundland and Ontario to Saskatchewan 

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

 States to Mississippi and Arkansas. 



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

 feet. Madison County, Montesano. Dekalb County, Lookout Mountain, 1,600 feet. 

 Cullman County. Flowers yellow, fragrant. May; not frequent. 



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



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



Herb. Geol. Surv. Herb. Mohr. 



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



PURPLE LADY'S SLIPPEH. MOCCASIN FLOWER. 

 Oi/pripedium linmile 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 east of the Mis- 

 sissippi River as far south as the District of Columbia and along the mountains to 

 North Carolina. 



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



feet altitude. Dekalb County, Lookout 

 Perianth white with purple lip. May; 



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

 Mountain, damp banks of Little River. 



infrequent, 

 ^ype loca 

 ferb. Geol. Surv. Herb. Mohr. 



ORCHIS L. Sp. PL 2: 939. 1753. ORCHIS. 



Type locality : ''Native of North America." 

 He: 



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

 America, 3. 



Orchis spectabilis L. Sp. PI. 2 : 943. 1753. SHOWY ORCHIS. 



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



Ell. Sk. 2 : 487. Gray, Man. ed. 6, 506. Chap. Fl. 458. 



Alleghenian 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 Virginia. D. Gronovius." 



Herb. Geol. Surv. Herb. Mohr. 



HABENARIA Willd. Sp. PL 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, chiefly 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. PI. 4 : 41. 1805. 



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



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



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

 west to Miunesota, Missouri, and Arkansas; southern New Jersey to western Florida 

 and Mississippi. 



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, Wilson's Station. Mon- 



