First Report 07i the Flora of Wyoming. 175 



Polygonum - h/diuplpd, l. Sp. PI. 361 (1753). 



In a wet place on the banks of a small stream near Lusk, July 

 21, 1894 (No. 576). 

 Polygonum minimum, Watson, Bot. King Surv. v, 315 (1871). 



I refer our specimens to this with some doubt ; they are larger 

 than the type and less pubescent. 



La Plata Mines, August 24, 1895 (No. 1833) 

 Polygonum nodosum, Pers. byn. i, 440 (1805). P. lapathifoUum 710- 

 dosum, (Pers.) Small. 



From Wheatland, August 1892, by B C. Buffum. 



Polygonum Persicaria, L. Sp. PI. 362 (1753). 



As a weed on the Sheridan Experiment Farm, September 1895, 

 by J. F'. Lewis. Smart Weed. 



Polygonum ramosissimum, Mich.x. Fl. Bor. Am. i, 237 (1803). 



Frequent and variable, some of the specimens approaching P. 

 Tenue. 



Sugg's Road, August 20, 1892; Wallace Creek, July 29, 1894 

 (No. 671); Green River, August 14, 1894 (xNo. 888). 



Polygonum viviparum, L. Sp. PI. 360 (1753). 

 Frequent in the higher mountains. 



Fort Laramie, September 5, 1892; Union Pass, August 11, 1894 

 (No. 842). 

 Oxyria digyna, Campd. Rum. 155, t. 3, f. 3 (1819) 



\'ery frequent in shaded places and under overhanging cliffs, 

 8,000-9000 ft. 



Garfield Peak, July 29, 1894 (No. 662); Laramie Peak, August 

 7, 1895 (No. 1620). 

 Rumex Crispus, L. Sp. PI. 335 (1753). 



Platte River, July 14,1894 (No. 495); Laramie, September 20, 

 1894 (No. 1147). 



Rumex maritimus, L. Sp. PI. 335 (1753). 

 In saline soil ; not frequent. 



Clark's Ranch on Wind River, August 10, 1894 (No. 769); 

 Sheridan, September 1895, J. F. Lewis. 

 Rumex occidentalis, Watson, Proc, Am. Acad, xii, 253 (1876). 



Under this name are a number of specimens, some immature, 

 and only the following typical : 

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