1921] Smiley: Flora of the Sierra Nevada of California 145 



14. IEIDACEAE (!RIS FAMILY) 

 1. SISYRINCHIUM 



Ovary glabrous; flowers yellow 1. S. ELmeri 



Ovary sparsely glandular-hairy; flowers purple 2. S. oreophilum 



1. Sisyrinchium Elmeri Greene, Pitt., vol. 2, p. 106. 1890. 

 Type locality. "Lake Eleanor, in the Sierra Nevada." .Yosemite. 

 Range. Sierra Nevada. 



Zone. Transition mainly, rising into the Canadian. 



Specimens examined. Lake Eleanor, Yosemite, Chestnut and 

 Drew, June 28, 1889 (co-type) ; Yosemite and Wawona Turnpike, 

 Mariposa County, Congdon, June 5, 1897 ; wet meadows on Little 

 Kern River, 10,000 feet, Purpus 5237 and 2020. Miss Eastwood 3 noted 

 this species along Bubb 's Creek, Tulare County. 



2. Sisyrinchium oreophilum Bicknell, Bull. Torr. Bot. Club, vol. 



31, p. 381. 1904. 



Type locality. "Mariposa County: Yosemite Valley." 



Range. Sierra Nevada. 



Specimens examined. Yosemite Valley, 7,600 feet, F. T. Bioletti, 

 May-June, 1900 ; South Fork San Joaquin River, 8,000 feet, Hall and 

 Chandler 652. 



Very doubtfully distinct from the common S. bellum "Wats. 



15. ORCHIDACEAE (ORCHIS FAMILY) 



Leaves 2, somewhat orbicular; flowers greenish with a conspicuous flat 2-lobed 



lower lip 1. Listera 



Leaves several to many, several times as long as broad. 



Flowers in a twisted spike; none of the petals spurred 2. Spiranthes 



Flowers in a stright spike or raceme; lower petal with a slender spur at base. 

 3. Habenaria 



1. LISTERA 

 1. Listera convallarioides Torr., Fl. N. U. S., p. 320. 1826. 



Epipactis convallarioides Swartz, Kongl. Vet. Akad. Handl. Stockh. II, 



vol. 21, p. 232. 1800. 



Listera Esclisclioltziana O. and S., Linnaea, vol. 3, p. 33. 1828. 

 Ophrys convaUarioides W. F. Wight, Bull. Torr. Bot. Club, vol. 32, p. 380. 



1905. 



Type locality. "E. Terra Nova Amer. sept." 

 Range. Newfoundland to Alaska, south to northern Vermont, 

 Great Lakes, Colorado, and California. 

 ~Zane. Transition and Canadian. 



