LiMNORCIIlS AND PiPERIA NORTH OF MEXICO 



631 



Colorado: Uncompahgne Mountains near Los Pinos, 1878, 

 IVm. F. Flint. 



23- 



Limnorchis sparsiflora (S. Wats.) Rydb. 



Fir.. 24. 



Habcnaria sparsiflora S. Wats. Proc. Am. Acad. 12 : 276. 

 1877; PlatantJi:ra Iiyperborea d var. IcucostacJiys Kraenzlin, Orch. 

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



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

 lower leaves oblanceolate, obtuse, 1—2 dm. 

 long, 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 

 mm. long : 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. Hoivcll. 



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

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

 1893, C. F. Sonne; Mt. Dyer, 1879, ^- ^^- Austin; Sierra county, 

 1874, Lenimon. 



New Mexico: 1881, MongoUon Mountains, H. H. Rnsby. 



§ Brevifoliae : Like the Sparsiflorae, but leaves very short, 

 much reduced : flowers nearly twice as large. 



24. Limnorchis brevifolia (Greene) Rydb. 



Habenaria brevifolia Greene ; Coulter, Bot. Gaz. 6:218. 1 88 1 ; 



Platantlicra Iiyperborea o var. leucostachys Kraenzlin, Orch. Gen. 



et Sp. 640, in part. 1899. 



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

 long and about i 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. long: upper sepal ovate, about 

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



