LiMNORCHIS AND PiPERIA NORTH OF MeXICO 



619 



Vermont: Willoughby, 1892, H. H. Rusby. 

 New York: John Torrey ; Silver Bay, Lake George, 1901./. 

 F. Kemp. 



Wisconsin: Milwaukee, 1881, Dr. Hassc. 



Minnesota: Minnehaha Creek, 1890, E. A. Mcarns, 77. 



South Dakota : Harney Peak, 1 892, Rydbcrg, 102S (in part). 



7. LiMNORCHIS HuRONENSis (Nutt.) Rydb.; Britton, Man. LI. N. 



St. 294. 1 90 1 



Oir/iis Hiironensis Nutt. Gen. N. Am. PI. 2 : 189. 1818 ; Plat- 

 anthcra dilatata Beck. Bot. 347, in part. 1833. Not Orchis dilatatn 

 Pursh. 1 8 14; Platanthcra Huroncnsis Lindl. Gen. et Sp. Orchid. 

 PI. 288. 1835; Habcnaria hypcrborca Gtz.y,MdiX\. Ld. 5: 500, in 

 part ; PlatantJiera hypcrborca y var. dilatata Kraenzlin, Orch. Gen. 

 &: Sp. 640. 1 899, in part. 



Stem slender. 2-4 dm. high : lower 

 leaves oblanceolate, obtuse ; the upper lan- 

 ceolate, acute, 5-10 cm. long, 1.5-2 cm. 

 wide : spike long, lax ; bracts lanceolate, 

 the lower often twice as long as the 

 flowers : flowers light green, almost erect : 

 upper sepal ovate, 2-3 mm. long; lateral 

 ones 2-4 mm. long, oblong to lanceolate, 

 obtuse : petals narrowly lanceolate, slightly 

 shorter than the sepals, oblique ; lip linear-lanceolate, 3-4 mm. 

 long ; spur filiform, not clavate, strongly curved and slightly longer 

 than the lip. (Pig. 7.) 



This species is nearest related to L. hypcrborea, and distin- 

 guished by the erect flowers, the narrower lip and the longer pod. 

 It is also usually taller with a laxer spike. 



Type : " In wet places on the islands of Lake Huron and 

 Michigan." 



Canada: Quebec, Mrs. Pcrcival. 



Vermont: Monkton, 1879, C. G. Pringlc. 



Massachusetts: Shelbourne, 1889, Geo. F. Taylor. 



Connecticut: Canaan, 1866, W. H. Lcggctt. 



New York: Utica, 1833,/^/'. Gray; Albany, L. C. Beck; 

 Jamesville, 1 890, L. M. Underwood ; Silver Bay, Lake George, 

 1 90 1,/. F. Kemp; Catskills, 1887, G. Rauipsbcrger. 



Fig. 7. 



