Appendix 249 



III 

 tiabenaria 



Willdenow, 1805 



Rein Orchis— Naked Gi<and Orchis 



The generic name, Habenaria^ comes from habenUy 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. oblusata (Pursh) Richardson, 1814-1823. 



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



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



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



8. H.fragrans (Rydberg) Niles, 1901-1903. 



9. H. bractcata (Willdenow) R. Brown, 1805-1S13. 



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



11. H.flava (Linnaeus) A. Gray, 1 753-1840. 



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



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

 14."//. holopetala (Lindley) A. Gray, 1835-1867. 



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



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



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



18. H. A?tdrewseii WhiiQu. sp. (per letter, 1903). 



