LlMNORCHIS AND PlPERIA 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, 1 890, E. A. Meams, 77. 



South Dakota : Harney Peak, 1892, Rydberg, 1028 (in part). 



7. Limnorchis Huronensis (Nutt.) Rydb.; Britton, Man. Fl. N 



St. 294. 



1 90 1 



Huronensis Nutt. Gen. N. A 



1818; Plat- 



anthera dilatata Beck. Bot. 347, in part. 1833. Not Orchis dilatata 



Pursh. 



PL 288. 



y latanthera Hut 



Haboiaria hvpc 



a hyperborea y \ 



500, in 



& Sp. 640. 1899, 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 



Fig. 7. 



flowers : flowers light green, almost erect : 



upper sepal ovate, 2-5 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. (Fig. 7.) 



This species is nearest 



hyp 



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. 



j J 



p, 



j 



Canada : Quebec, Mrs. Percivcd. 

 Vermont: Monkton, 1879, C. G. 

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

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

 New York: Utica, 1833, Dr. Gray; Albany, L. C. Peek; 

 tesville, 1890, L. M. Underwood; Silver Bay, Lake George, 

 1,/. F. Kemp; Catskills, 1887, G. Rampsberger. 



