GEOLOGICAL SURVEY OF THE TEERITORIES. 783 



TYPHACE^. 



Typha latifolia, L. — Snake Eiver Valley, July ; in swamps near Fort 

 Hall, Idaho, in great abundance. 



Sparganium simplex, Huds., var. androcladum, Engelm.— Weber River, 

 Utab, June. 



NAIADACE^. 



ZaimiclielUa palustris, L. — Yellowstone Lake, 1871. 

 Potamogeton perfoliatus, L,, var. la)iceolatus, Eobbins. — Henry's Fork 

 of Snake Eiver, August 6. 

 Potamogeton pectinatits, L. — Upper Geyser Basin, August. 



ALISMACE^. , 



Triglocliin pcdustre, L. — Hot Springs, ten miles from Ogden, Utah, 

 June 24. 



Triglocliin maritimtim, L. — Swamps near Ogden, Utah, June 18 ; Upper 

 Canon of the Madison, August 10 ; Yellowstone Lake, August 23. 



Bagittaria variabilis, Engelm. — Near Ogden, Utah, June 16; Henry's 

 Fork of Snake Eiver, August. 



Sagittaria variabilis, Engelm,, var. hastata, Gray. — Divide between 

 Marsh and Malade Valleys, June 29. 



Sagittaria variabilis, Engelm., var. diversifolia, Gray. — Weber Eiver, 

 Utah, June 19. 



ORCHIDACE^. 



ffahenaria Jiyperhorea, R. Br. — Swamjis near Ogden, Utah, June 7 ; 

 Upper Teton Carton, Jaly 28. 



Habenaria dilatata. Gray. — Swamps near Ogden, Utah, June; Henry's 

 Fork of Snake River, August; Teton Eiver, July. Common along 

 almost all the streams in the West. 



Habenaria fcetida, S. Watson, {Platanthera, Gey.) — Wooded Caiion of 

 Teton Eiver, July. 



Spiranthes Romanzoffiana, Cham. — Snake Eiver Valley, July ; Teton 

 foot-hills, August; Fire-Hole Basin; Shoshone Lake, September; Jack- 

 son's Lake. Common almost anywhere along the roule. 



Goodyera Menziesii, Lindl. — East canons of Teton Eange, September. 



Epipactis gigantea, Dougl. — Swamps near Ogden, Utah, June. 



CorallorMza multiflora, Xutt. — Shoshone Lake, Wyoming, September. 



IRIDACE^. 



Pris tenax, Dougl. — Teton Basin, July. 



Sisyrincliium Bermudiana, L. — Malade Valley, Idaho, June ; Henry's 

 Fork of Snake Eiver, August. 



LILIACE^. 



Zygadenus glaucus, Nubt. — Upper Canon of the Madison, Augi»st; Te- 

 ton Canon, July; Trail Creek Mountains, Wyoming, elevation 10,000 feet, 

 September. 



