168 WiEGAXD : A Revision of the Gen'US Listera 



Spacious Bay, Gorman. Washington, Between Pcnd d' Oreille and 

 Kootenai Rivers, Lyall (iS6i); Skamania Co., Suksdorf, no. 2326 

 (1894); Chehalis Co., Lamb, no. 129 (1897); Tacoma, Flett, 

 no. 145 (1895); Cascade Mts., Henderson. Idaho, Latah Co., 



riper. 



9, Listera coxvallarioides (S\vart/)Torr. Fl. N. U. S. 320. 1826. 



Epipacfis coHvallarioidcsS\\d.riZy Vet. Acad. Handl. Stock. 21: 

 232. 1800. Willd. Sp. ri Pursh, Fl. Am. Sept. 



Listera Esclischoltdajia Cham. & Schl. Linnaea, 3: 33. 1828. 

 Listera Banksiaua Lindl. Gen. et Sp. Orchid. 455. 1840. 



Stem slender (12-20 cm. high), glabrous below, densely gland- 

 ukir-pubescent abo\-e the leaves, rarely with a bract below the 

 raceme; leaves borne eabove the middle of the stem, rather large 

 (30-50 mm. long), broadly oval, obtuse, very rarely apiculate, 

 rounded at the base : raceme many-flowered, open: rachis densely 

 glandular : bracts large (3-5 mm. long), rhombic-ovate, acute, often 

 slightly glandular : flowers large, on very slender but rather short 

 glandular pedicels which scarcely exceed the bracts and are slightly 

 lonrer than the *rlandular ovary: the oblong-lanceolate sepals and 

 narrowly linear petals both large (4.5-5 ^^"^^ 1^"S)» longer than the 

 ovary, reflexed, acutish : lip large (9 mm. long), narrowly cuneate, 

 rctnse, lobes rounded, minutely ciliate, ^ distance from the base 

 provided with a very short triangular tooth on each side, and below ■ 

 these contracted into a stalk-like portion, without folds on the 

 upper surface: column long and slender (3 mm. long), nearly 

 straight. 



Li moist woods, Nova Scotia to Vermont, and from Michigan 



to California, northward to Alaska. 



The Maine specimens have more elliptic leaves which are 



often acute. 



Specimens examined : Nova Scotia, Macoun (1883) Nutt 

 Mts.; New Brunswick, Fowler (1870), Bass River; Quebec, Allen 

 (1881); Maine, Fernald (1893), nos. 102, etc.; New Hampshire, 

 Oakes, Hitchcock ; Vermont, Care}', Pringle, Eggleston ; Mich- 

 igan, Robbins, no. 154, Porter, Mann, Whiting, Atkinson; Wy- 

 oming, Nelson, no. 1694 (1895); Nevada, Watson, no. 11 57 

 (1865); California, Plumas Co., Bolander, Ebbet Pass, Brewer, 

 San Joaquin Riv. Muir, Lemmon ; Oregon, Union, Cusick (1875), 

 Howell, no. 724 (1887), Galton Mts., Lyall (1861); Washington, 



