First Report on the Flora of Wyoming. 8 1 



Nasturtium officinale, R. Br. in Ait. Hort. Kew. Ed. 2, iv, 110(1812). 

 Roripa Nasturtium. (L.) Rusby. 



Not common, but introduced into some of the springs about Lar- 

 amie and probably elsewhere in the state. 



State Fish Hatchery, September 24, 1894 (No. 11 52). Water 

 Cress. 

 Nasturtium palustre, DC Syst. Veg. ii, 191 (1821). Roripa patustris,. 

 (L.) Bess. 



Only rarely seen, wet lowlands. 



C. Y. Ranch, on Big Muddy, July 24, 1894 (No. 638). 



Nasturtium palustre hispidum, Fisch & Mey. Ind. Sem. Petr. iii,^ 

 41. Roripa hispida (Desv.) Britton. 



This was found twice but only a specimen or two at a time. 

 Sybille Creek, July 9, 1864 (No. 300.); South Pass, September 2, 

 1894 (No. 1 185). 

 Nasturtium sinuatum, Nutt. T. & G. Fl. N. A. i, 73 (1838). Roripa 

 sinuata, (Nutt.) A. S. Hitchcock. 



Apparently quite common, a weed on the campus and on the 

 Experiment farm. (No. 281). 

 Nasturtium sp. ? 



A single specimen collected by B. C. Buffum at Bald Mountain, 

 no fruit. Its affinities are not readily made out at this stage but 

 evidently is none of the above. 



Barbarea vulgaris, R. Br. in Ait. Hort. Kew, Ed. 2, iv, 109 (1812). 

 B. Barbarea, (L.) Mac M. 



Union pass, August 10, 1894 (No. 864); Stout plants, thick pods 

 but otherwise normal. 

 Arabis. 



(For this and a few other genera see appendix.) 

 Thelepodium. (See appendix.) 

 Cardamine Breweri, Watson, Proc. Am. Acad, x, 339. 



Common, at the water's edge in many of our streams. Pole 

 Creek, June 2, 1894 (No. 158); Cummins, July 28, 1895 (No. 1465). 

 Cardamine cordifolia. Gray, PI. Fendl. 8. 



On stream banks in mountain thickets, cjuite infrequent. Cum- 

 mins, July 27, 1895 (No. 1488). 

 Cardamine Pennsylvanica, Muhl. Sp. PI. 3: 486 (1800), 



Found but once, Lander Creek, August 30, 1894 (No. 1106). 



