i\ppendix 281 



Slender scapose orchids, with solid bulbous roots ; several 

 bulbs, or generations connected by offsets. Anther i. Label- 

 lum 3-lobed produced into a long spur backwardly. Sepals 

 and petals similar, spreading. Flowers in a long, loose termi- 

 nal raceme. Anther terminal, operculate, 2-celled. Pollinia, 

 4, 2 in each anther-sac, ovoid, waxy, separate, affixed to short 

 stipe, glandular at base. Stem 15-20 inches high. Leaf i, 

 basal, arising in autumn, about September 14th, hyemal after 

 the flowering-scape has perished. Seed-capsule Yz inch long, 

 6-ribbed. 



Continental Range — From Brattleboro and Bellows Falls, 

 Vermont, to New Jersey, Alabama, and Florida ; westward to 

 Ohio, Michigan, and Indiana. Rare in sandy woods. There are 

 but two known species reported for the world, the following, 

 and another, native of Asia, in the Himalayan region. The 

 American species is slightly distinguished from the Asiatic 

 form by the blunt tip of its labellum. 



North American species north of Mexico i 



New England species I 



Hoosac Valley species o 



New England species : 



I. T. unifolia (Muhlenberg) B. S. P., 1813-1888. 



I.— TIPUIyARIA UNIFOLIA (Muhlenberg) B. S. P., 1813-1888' 

 {Tipularia discolor ^ Nuttall, 18 18) 



Crane-Fi^y Orchis 



The specific name, unifolia^ refers to the i leaf produced by 

 this orchid. 



Alert, small moist sandy woodland or rocky hillside orchid, 

 with solid irregular bulb or corm-like roots. Late July- August- 

 October. 



Flowers green, tinged with purple, K~K inch long, in a 

 loose raceme, 5-10 inches long ; pedicels filiform, bractless. 

 Labellum 3-lobed, central lobe narrow, prolonged, dilated at 

 apex, side-lobes short and triangular. Spur straight, slender, 

 twice as long as sepals and petals, giving an insectean poise 

 to the dull flowers. Sepals and petals narrow. Stem 15-20 

 inches high. Leaf i, basal, reddish-purple, strongly veined ; 

 arising from solid bulb, about September 14th, hyemal. Seed- 

 capsule 14. inch long, 6-ribbed. 



Continental Range — From southern Vermont, New Hamp- 

 shire, southward to Florida and Alabama ; westward to Michi- 

 gan and Indiana. More abundant South. Nowhere common. 



New England Range — Vermont, rare ; Massachusetts, rare. 



'Species not reported for Hoosac Valley region, although 

 native of Vermont. 



