CATALOGUE. 293 



Near Gray's Peak, Colorado, 1873 (1158). This differs somewhat from the 

 plant described by Hooker, but is probably only a local variety. 



Puragmites communis, L. — Utah*, 1871 and 1872. 



Lepturus paniculatus, Nutt. — Denver, Colorado, 1873 (1178); San 

 Carlos Creek, Arizona, 1874 (777). 



Triticum repens, L. — Nevada and Utah, 1871 and 1872 ; Twin Lakes, 

 Colorado, 1873 (1166); Santa Fd, N. Mex., 1874(35); Agua Azul, 1874 

 (103). 



Var. tenerum. — Cave Springs, Arizona, 1874 (195). 



Var. glaucum. — Cottonwood Creek, 1873 (1167). 



Var. compactum. — Twin Lakes, Colorado, 1873 (1168 in part). 



Triticum violaceum, Hornem. — Culms erect, 2° ; leaves rather rigid, 

 erect, inclined to be convolute; panicle erect, 4-5' long; spikelets 3-5- 

 flowered ; glumes tapering into an awn longer than the body, 5-7-nerved ; 

 lower palet obscurely 5-nerved, with an awn longer than the palet, the 

 upper one obtuse, ciliate on the margins ; flowers more or less tinged. 

 Perhaps only a form of T. caninum, L. — Twin Lakes, Colorado, 1873 

 (1168). 



Triticum caninum, L. — Twin Lakes, Colorado, 1873 (1169). 



Hordeum jubatum, L. — Nevada and Utah, 1871 and 1872 ; Saguache, 

 Colorado, 1873 (1164). 



Hordeum pratense, Huds. — South Park, Colorado, 1873 (1165). 



Elymus Canadensis, L. — Utah, 1871 and J 872; Rocky Canon, Ari- 

 zona, 1874 (297); Chiricahua, Arizona, 1874 (526). 



Elymus Sitanion, Schultz (Watson's Botany 40th Parallel, Synopsis 

 Flora of Colorado).— Denver, Colorado, 1873 (1161); South Park, Colo- 

 rado (1163); Twin Lakes, Colorado, 1873 (1162); Arizona, 1874. 



Elymus condensatus, Presl (Watson's Botany 40th Parallel, Synopsis 

 Flora of Colorado). — Nevada and Utah, 1871 and 1872; Grant Creek, 

 Colorado 1873 (1160). 



Danthonia sericea, Nutt. — Twin Lakes, Colorado, 1873 (1170) ; also a 

 small form, which is perhaps D. spicata, South Park, Colorado, 1873 (1171). 



Tkisetum subspicatum, Beauv. — North Pass, Colorado, 1873 (1172); 

 Baker's Mine, Colorado, 1873 (1173). 



