CATALOGUE. 341 



habitat the same. Found in the Toyabe, East Humboldt and Clover Mount- 

 ains, Nevada; 6-9,000 feet altitude; July-September. Height and habit 

 much as in the last ; flowers somewhat larger, nearly white ; posterior sepal 

 not at all hooded, (2 by li";) lateral sepals and petals 2¥' long by 1" wide ; 

 lip somewhat broadest toward the base, 3" long, 1" wide ; spur 3-4" 

 long. (1,153.) 



Var. Flowers larger and spur much elongated ; posterior sepal 2J by 

 li", lateral ones and petals 2-3" long by 1-U" wide ; lip 4" long, usually au- 

 riculate at base, occasionally oblong, (2" wide ;) spur 6" long. — In the East 

 Humboldt Mountains and in the "Wahsatch ; 6-7,000 feet altitude. (1,154.) 



Habenaria foetida. (Platanthera, Gey., Ms.) Slender, 8-18' high, 

 glabrous ; leaves 3-4, sheathing the base of the stem, 3-7' long, oblong or 

 narrow-lanceolate, subacute ; stem with a few scattered small oblong-lanceo- 

 late acuminate bract-like leaflets; spike elongated, 4-8' long, loosely-flowered ; 

 bracts ovate, subacute, rather shorter than the ovary ; flowers white, small ; 

 sepals 1-1 J" long, oblong-obtuse, 1 -nerved, spreading ; petals and lip some- 

 what fleshy, the former oblanceolate, obtusish, the latter oblong, entire ; spur 

 1-li" long, shorter than the ovary ; anther-cells adnate, diverging, broad and 

 obtuse at base. — 534 Geyer, and also collected by Lyall in the Cascade 

 Mountains, 1859, and on the West Kootanie, 1861. H. elegans difiers espe- 

 cially in its much denser spike and much longer filiform spur. Wahsatch and 

 Uintas; 8-9,000 feet altitude ; July, August. (1,155.) 



Spiranthes Romanzoffiana, Cham. From Maine and Canada to Lake 

 Superior, the Saskatchewan and Washington Territory, northward to Una- 

 laska and south to California and Colorado ; collected by Torrey near Lake 

 Washoe, Nevada. East' Humboldt Mountains and Uintas ; 6-8,000 feet alti- 

 tude ; July-September. (1,156.) 



LiSTERA coNVALLARioiDES, Hook. Maine to Pennsylvania and Lake 

 Superior, Canada, and west to the Rocky Mountains ; Unalaska. East Hum- 

 boldt Mountains ; 7,000 feet altitude; August. (1,157.) 



Epipactis^ gigantea, Dougl. Hook. Fl. Bor.-Amer. 2. 202, t. 202. 



1 EPIPACTIS, Hat.t.. Flowers pedioelled. Sepals and petals spreading, similar, nearly equal. Lip 

 olilong, free, interrupted, the upper portion concave and fleshy, the lower petaloid, dilated, undivided, 

 callous at base. Column terete or flattened anteriorly, straight, fleshy ; stigma square, projecting down- 

 ward. Anthers posterior, cordate, pointless, seated upon the truncate apiculate stigma. PoUen-masses 

 powdery, 2-parted, narrowed at the apex.— Herbs, with a subterranean creeping rootstock ; leaves plicate, 

 cuoullate at baae ; flowers loosely spicate, semi-herbaceous, usually purplish, pubescent. 



