Appendix 249 



III 

 Habenaria 



Willdeuow, 1805 

 REIN Orchis— Naked Gi,and Orchis 



The generic name, Habenaria, comes from habena, a thong 

 or rein. 



Leafy-stemmed plants. Anther i. Glands naked. La- 

 bellum spreading or drooping, with a spur at base. Sepals 

 and petals free, similar in structure and color. Anther-sacs 

 parallel ; poUinia without caudicles, powdery or granulose. 

 Flowers mostly in a spiked raceme, various in colors, orna- 

 mented with spurs, fringed petals and throats. Fragrance deli- 

 cate and exquisite in several species. Leaves i-many, lanceo- 

 late, becoming bract-like above. In two species — H. orbiculata 

 (Pursh) Torrey and H. Hookeriana A. Gray— the leaves are 

 orbicular and basal, with or without bracts above. Roots thick, 

 fibrous, tuberous or palmate. Seedlings appear numerous in 

 many stations. 



Continental Range— A. genus containing about 450-500 

 species for the world, widely distributed in temperate and 

 tropical regions in Europe, Asia, and America. There are 

 50-55 species on the continent of North America north of 

 Mexico. 



North American species north of Mexico 50-55 



New England species 18 



Hoosac Valley species 13-16 



New England species : 

 I H. orbiculata (Pursh) Torrey, 1814-1826. 



2. H. Hookeriana A. Gray, 1836. 



3. H. oblongifolia (Paine)' Niles, 1865-1903. 



4. H. obtusaia (Pursh) Richardson, 1814-1823. 



5. H. hyperborea (Linnaeus) R. Brown, 1767-1813. 



6. H. media (Rvdberg) Niles, 1901-1903. 



7. H. dilatata (Pursh) Hooker, 1814-1825. 



8. //./m^raw^ (Rydberg) Niles, 1901-1903. 



9. H. bracteata (Willdenow) R. Brown, 1805-1813. 



10. H. clavellata (Michaux) Sprengel, 1803-1826. 



11. H.flava (Linnaeus) A. Gray, 1753-1840. 



12. H. ciliaris (Linnaeus) R. Brown, 1753-1813. 



13. H. blephariglottis (Willdenow) Torrey, 1805-1826. 

 14."//. holopctala (Liudley) A. Gray, 1835-1867. 



15. H. lacera (Michaux) R. Brown, 1803-1810. 



16. H. grandiflora (Bigclow) Torrey, 1824-1826. 



17. H. psycodes (Linnius) A. Gray, 1753-1840. 

 iS. H. Andrewseii Whiten, sp. (per letter, 1903). 



