533 
Bromus kalmii Gray, Man. ed. i, 600 (1848). 
Lead City, altitude 1,600 m., July 4; Rochford, altitude 1,700 m., July 12; Hot 
Springs, altitude 1,100 m., August 8 (No. 1165). 
Bromus ciliatus L. Sp. Pl. i, 76 (1753). 
Rare: Rochford, altitude 1,700 m., July 12 (No. 1166). 
Bromus pumpellianus Scribner, Bull. Torr. Club, xv, 9) (1888). 
Hillsides: Runkels, altitude 1,300 m., June 30; Rochford, altitude 1,700 m., July 12; 
Custer, altitude 1, 700 m., July 16 (No. 1167). 
Agropyron repens glaucum (Desf. ) Scribner, Mem. Torr. Club, v.57 (1804); Triti- 
cum glaucum Desf, Tabl. Bot. Mus, 16 (1804). 
Hills below Deadwood, altitude 1,500 m., July 5 (No, 1168). 
Agropyron violaceum majus Vasey, Contr. Nat. Herb. i, 280 (1893). 
These specimens scem to belong to this variety, which, however, I do not think is 
a variety of A. violaceum. Professor Seribner regards them as a form of A, repens, 
which they resemble very much, I should take them for a form of that species if it 
were not for the fact that I could not find any creeping rootstock, They were grow- 
ing in clumps in the manner of -1. fenerum, Deadwood, altitude 1,500 m., July 5 
(No, 1170). A form of the same, with awns over 1 em. long, was collected at Roch- 
ford, altitude 1,700 m., July 12 (No. 171). 
Agropyron tenerum Vasey, Bot. Gaz. x, 258 (1885). 
Deadwood, altitude 1,500 m., July 5 (No. 1169). 
Agropyron caninum (L.) Roem. & Schult. Syst. Veg. ii, 756 (1817); Triticum 
caninum L. Sp. Pl. i, 86 (1753). 
Common: Lead City, altitude 1,600 m., July 6; Custer, altitude 1,700 m., July 16 
and August 16; Hot Springs, altitude 1,100 m., August 3 (No. 1172). 
Elymus canadensis I, Sp. PI. i, %3 (1753). 
Along Fall River: Hot Springs, altitude 1,050 m., August 9 (No. 1173). 
Elymus canadensis glaucifolius (Willd.) Torr. Fl. U.S. i, 187 (1824); Llumus 
glaucifolius Willd. Enum, 131 (1809), 
Hot Springs, altitude 1,050 m., August 9 (No. 1174). 
Elymus virginicus L. Sp. Pl. i, 84 (1753), var. 
This is the same as No. 1553 of my collection from the Sand Hills of central Nebraska, 
Hot Springs, August 9 (No. 1175). 
Elymus striatus Willd. Sp. Pl. i, 470 (1797). 
Rare, with the preceding three, Tot Springs, August 9 (No. 1176). 
Elymus elymoides (Kaf.) Swezey, Cat. Nebr. Pl. 15 (1891); Sitanion elymoides Rat. 
Journ. Phys. Ixxxix, 103 (1819), 
Rare, on dry prairie: Hot Springs, altitude 1,100 m., June 13 and August 9 
(No. 1177.) 
Elymus dasystachys Trin.; Ledeb. Fl. Alt. i, 120 (1831). 
The specimens in the collection have much shorter spikes and larger and more 
hairy spikelets than in the Siberian form. Elk Canyon, near Runkels, altitude 
1,300 m., June 30 (No, 1178). 
Hordeum jubatum L. Sp. Pl. i, 85 (1753). 
Custer, altitude 1,650 m., Jaly 16 (No, 1179), 
CONIFER. 
Juniperus communis sibirica (Burgsd.) ; Juniperus sibirica Burgsd. Anl, Erz. 
Anpfl. Holzart. ii, 272 (1787); J. communis alpina Gaud, Fl. Helv. vi, 801 (1880), 
The name of this plant has been changed lately by botanists in this country to 
J. nana Willd.! Willdenow cites J. sibirica Burgsd, as a synonym. I have not been 
Isp. Pl. iv, 854 (1806). 
