521 



Riimex venostis Pnrsli, Fl. ii, 733 (1814). 



Custer, altitude 1.700 in., Jime 5; Hermosa, altitude 1,100 ui., .hiiie 27 (No. 972). 



Rumex occidentalis Wats. Proc. Amer. Acad, xii, 253 (1876). 



Xear water: Buffalo Gap, altitude 975 ui., June 21; Custer, altitude 1,600 lu., 

 August 1 (Xo. 973). 



Rumex salicifolius Weinui. Fl. iv, 28 (1821). 



Eoebford, altitude 1,600 m., July 12 (No. 974). 



Rumex ciispus L. Sp. PI. i, 335 (1753). 



1 believe this is n native of the Black Hills as well as of western Nebraska. Lead 

 City, altitude 1,600 m., Julj' 9; Custer, altitude 1,600 m., August 1 (No. 975). 



Rumex acetosella L. Sp. PI. i, 338 (1753). 



Introduced: near Whitewood, altitude 1,100 m., July 7 (No. 976), 



Polygonum aviculare L. Sp. PI. i, 362 (1753). 



Kochlord, altitude 1,600 m., July 11 (No. 977), 



No. 978 is a small, undeveloped, erect form which I took to belong to this species. 

 Mr. J. K. Small, who has identified the species of Polygonum, writes : "It might be a 

 form of aviculare, Utorale, or rumosissimum,'' 



Polygonum litorale Link. Schrad. Jouru. Bot. i, 54 (1799). 



Common alongthe railroad above Hot Springs, altitude 1,050 m., August 9 (No. 979) . 

 Some specimens are more upright and have broad, elliiitical leaves (No. 980). 



Polygonum ramosissimum Mx. F]. i, 237 (1803). 



Hot Springs, altitude 1,050 m., August 9 (No. 982). 



Some luxuriant specimens, more decumbent and spreading, with thicker leaves, 

 resemble, according to Mr. Small, a form that has been named variety lyatiilum by 

 Engelmann in manuscrijit. Hot Spring.s, August 9 (No. 981). 



Polygonum sa-watcheuse Small, Bull. Torr. Club, xx, 213 (1893). 



Mr. Small remarks about this: "Slender form duo to the lower altitude than that 

 of the type." Custer, altitude 1,800 m., July 16 (No. 983). 



Polygonum douglasii Greene, Bull. Cal, Acad, i, 125 (1885). 



Tall, 4 to 7 dm. high, with conspicuous, strongly nerved sheath. Custer, altitude 

 1,700 in., August 1 (No. 984). 



Polygonum lapathifolium L. Sp. PI. i, 360 (1753). 



Hot Springs, altitude 1,050 m., August 9 (No. 985). 



Polygonum emersum (Mx.) Britton, Trans. N. Y. Acad, viii, 73 (1889); Tol}j- 

 gonum (n)q)I>ibium emersum Mx. Fl. i, 240 (1803). 



French Creek, east of Custer, altitude 1,400 m., July 22 (No. 986). 



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



In wet place, among moss, below Sylvan Lake, altitude 2,000 m., .Inly 19 (No. 987). 



Polygonum convolvulus L. Sp. PI. i, .364 (1753). 



Railroad embankment. Hot Springs, altitude 1,050 ni., August 9 (No. 988). 



ELEAGNACEiE. 



Eleagnus argentea Pursh, Fl. i, 114 (1814). 



Hills in the Limestone District, near Bull Springs, altitude 1,900 m., July 27, 

 (No. 989). 



Lepargyraea canadensis (L.) Greene, Pittonia, ii, 122 (1890); Ilippnithal: canaden- 

 aia L. Sp. IM. ii, IdlM (1753). 



Woods: Custer, altitude 1,700 m., May 30; Little Elk, altitude 1.100 ni., June 28; 

 Lead City, altitude 1,600 m., July 6 (No. 990). 



Lepargyraea argentea (Nutt.) Greene, Pittonia, ii, 122(1890); Kkaynua ar<jentea 

 Nutt. Eraser's Cat. (1813). 



A few buslies were seen near Hot Springs, liut no specimens were secured. 



i;il41— Xo. 8 o 



