LlMNORCHIS AND PlPERIA NORTH OF MEXICO 



631 



Colorado: Uncompahgne Mountains near Los Pinos, 1878, 

 Wm. F. Flint. 



23. Limnorchis sparsiflora (S. Wats.) Rydb. 



Habenaria sparsiflora S. Wats. Proc. Am. Acad. 12 



276. 



Fig. 24. 



mm. 



long 



1877; PI at an titer a hyper borea var. Icncostadiys Kraenzlin, Orch. 

 Gen. et Sp. 640, in part. 1899. 



Stem tall and slender, 4-6 dm. high : 

 lower leaves oblanceolate, obtuse, 1-2 dm. 

 l° n g> 1 • 5—3.5 cm. wide; the upper lanceo- 

 late, acute : spike long, slender and lax, 

 2-3 dm. long ; bracts linear-lanceolate, 

 usually exceeding the flowers : these light 

 green, very delicate, about 15 mm. long: 

 upper sepal broadly ovate, 4-5 mm. long; 

 the lateral ones lanceolate, acute, about 6 



: petals narrowly lanceolate, 

 acute ; lip linear, about 8 mm. long, obtuse ; spur filiform, about 

 1 cm. long. (Fig. 24.) 



This is characterized by the long, slender, lax spike, delicate 



green flowers and long bracts. The type was collected by Bo- 

 lander, near Mariposa Grove, California. 



Oregon: Kerbyville, 1884, T. Howell. 



California: Donner Lake, 1865,/. Torrey,j/i; Pine Ridge, 

 Fresno county, 1900, Hall & Chandler, ijp ; Truckee River, 

 1893, C F. Sonne ; Mt. Dyer, 1879, R. M. Austin; Sierra county, 

 1874, Lemmon. 



New Mexico: 1881, Mongollon Mountains, H. H. Rushy. 



Brevifoliae : Like the Sparsiflorae, but leaves very short, 

 much reduced : flowers nearly twice as large. 



218. 1881; 

 Orch. Gen. 



24. Limnorchis brevifolia (Greene) Rydb. 



Habenaria brevifolia Greene ; Coulter, Bot. Gaz. 6 : 

 Platanthera liyperborea 3 var. leucostachys Kraenzlin, 

 et Sp. 640, in part. 1 899. 



Stem strict, leafy, 3-6 dm. high : leaf-blades ovate, 2-4 cm. 

 lor >g and about 1 cm. wide, acute: spike elongated, 1-2 dm. 

 long; bracts similar to the leaves but smaller, about equalling the 

 flowers: these green, 2-2.5 cm - l° n g : upper sepal ovate, about 

 5 mm. long ; lateral sepals linear, acute, about 8 mm. long : petals 



