530 



Muhleiibergia racemosa ( Mx. ) ]'>. S. 1'. ]'iil. Cat. N. Y. (57 (1.S.SS) ; Atjrosth raccmosa 

 Mx. Fl. i, 53 (1803). 



A tall iiiul leafy loriii which may perhaps l>e relerretl to the varioty ramosn. Coni- 

 nioii on rrench Creek, altitude 1,6(X) in., July 22 (No. 1120). 



A few specimens were collected near Custer, altitude 1,100 ni., August 1, which 

 dilVer in beiny; more slender and in the empty glumes having longer awns (No. 1121). 



Sporobolus cryptandrus (Torr. ) (>ray, Man. ."i7t) (1848) ; Aqroatis rriiptaudru Torr. 

 Ann. Lye. N. Y. i, 151 (1824). 



Talde-lands: Hot Springs, altitude l.ldO m.. August 10 (No. 1122). 



Sporobolus heterolepis (iray. Man. cd. i, 57ti (1848); Vilfn In terolcpin (Ir.iy. Aun. 

 Ly<'. X. Y. iii, 233 (1835). 



IJare: Pringle, altitude 1,500 m., August 5 (No. 1123 1. 



Sporobolus cuspidatus (Torr.) Scribuer, Bull. T(ur. Club x, 63 (1882); Vilfa 

 citx)>i(I(ita Torr. ; Hook. Fl. lior. Amer. ii, 238 (1840). 

 In Gray's list, Newton tS: Jenney's Report.' 



Agrostis alba L. Sp. PI. i, G3 (1753). 



In wet meadows below Custer, altitude 1,000 m., August 1 (No. 1124). 



Agrostis exarata Triu. I'nitl. 207 (1824). 



Kare: Hot Springs, altitude 1,050 ni., August 10 (No. 1125). 



Agrostis hiemalis (\Valt.) B. S. P. Cat. PI. N. Y. 08 (1888); Cornncopuv hi/emalis 

 Walt. Fl. Car. 74 (1788). teste Mx. 



The specimens have broad, upright loaves. Wet meadow : Custer, altitude 1.000 m., 

 July 16 (No. 1126). 



Calaniagrostis canadensis Mx. Beauv. Agrost. 15 (1812) ; Aniiido canadentiis Mx. 

 Fl.i,73.(1803). 



In my specimens the leaves are more or less invcdute. Along Fall Kiver. Hot 

 Springs, altitude 1,050 m., August 10 (1128). 



Calaniagrostis canadensis dubia (Seribner) Vasey, Contr. Nat. Herb, iii, 80 

 (1892) ; iJeycuj-ia diihia Seribner, Bot. (iaz. xi, 171 (1886). 

 Wet meadow, below Custer, altitude 1,600 m., August 16 (No. 1127). 



Calaniagrostis neglecta (Khrli.) Caertn. IT. Wett. i, 01 (179!t); Arundo ncglccta 

 Ehrh. I'.eitr. vi, 137 a7!tl ). 



Kare: Hot Springs, altitude 1,050 m., August 3 (No. 1129). 



Calamagrostis sylvatica americana Vasey, Coutr. Nat. Herb, iii, 83 (1892). 



Very probably this is a distinct species. It ditVers much from C. sylvatica of 

 Europe. Woods: Po. hford, altitude 1,650 m., .July 11 (No. 1130). 



Calaniovilfa longifolia (Hook.) Hack. True fir;is.ses, 113 (1890); ('alamatirostis 

 longifolia Uook. Fl. Bor. Amer. ii, 241 (1810). 



Hot Springs, .iltitude 1.100 m., August 9 (No. 1131). 



Avena striata Mx. Fl. i, 73 (1803). 



In woods: Elk Canyon, altitude 1,200 in.. .Iuu(> I'.O; Custer, altitude 1.700 m., 

 July 10 (No. 1132). 



Danthonia spicata (L.) Beauv.; Poem. A: Schult. Syst. Veg. ii. CtOO (1817) ; Arena 

 spitftld L. Sji. PI. i, SO (1753). 



In woods, not uncommon: Kochford, altitude 1,70(1 in.. .Inly 12; Custer, altitude 

 1.(;.50 m., August 16 (No. 1133). 



Schedonnardus paniculatus (Nutt.) Trelease; Branner A: Coville, Rep. fJeol. 

 Siirv. Ark. 18SS, i>t. 4, 236 (1891); Leptiirim paninilaliis Nutt. Gen. i, 81 (1818). 



Very rare: Hot Springs, altitude 1,100 in., June 19 (No. 1134). 



'Geol. Surv. lUack Hills. 537 (1880). 



