CATALOGUE. 285 



pubescent below, especially on the nerves, nearly equal, lower one 3-nerved, 

 upper 2-nerved; awn 7 to 10" long. Panicle looser and awns longer 

 than in M. sylvatica. — Camp Crittenden, Southern Arizona, 1874 (681). 



Vaseya comata, Thurb. ("Watson's Botany 40th Parallel). — Gravelly 

 shores, Twin Lakes, Colorado, 1873 (1092). 



Calamageostis Canadensis, L., var. eobusta. — A robust form, ap- 

 proaching 0. Langsdorffii, Trin. — Twin Lakes, Colorado, 1873 (1093). 



Calamagrostis steicta, Trin. — Twin Lakes, Colorado, 1873 (1096). 

 Saguache Creek, Colorado, 1873 (1097). 



Calamageostis steicta, var. eobusta. — Culms 2° high, stout, sca- 

 brous, as are the leaves and sheaths; leaves erect, 10-15' long, plane or 

 somewhat involute, slender pointed ; panicle strict, rigid, rather dense ; 

 spikelets larger and coarser than in the preceding. This approaches C. 

 confinis. — It occurs in many collections from the Rocky Mountain region. 

 Twin Lakes, Colorado, 1873 (1099). Some specimens are affected with 

 an ergot (1101). 



Calamageostis steicta, var. beevioe. — Very near the preceding 

 variety, but with shorter, more rigid culms, and panicle partly included in 

 upper sheath. This was in an earlier report referred to C. Lapponica, 

 Trin.— Mosquito, Colorado, 1873 (1098). 



Calamageostis sylvatica, DC. (Watson's Botany 40th Parallel, 

 Synopsis of Flora of Colorado). — Mosquito, Colorado, 1873 (1094); South 

 Park, Colorado (1095). 



Eeiocoma cuspidata, Nutt. ("Watson's Botany 40th Parallel, Synop- 

 sis of Flora of Colorado). — Nevada and Arizona, 1871 and 1872; Denver, 

 Colorado, 1873 (1102). 



Oeyzopsis miceantha, Thurb. (Synopsis of Flora of Colorado). — 

 Santa F6, N. Mex., 1874 (44). 



Stipa avenacea, L. — Camp Grant, Arizona, 1874 (456). 



Stipa comata, Trin. (Watson's Botany 40th Parallel). — Agua Azul, 

 N. Mex., 1874. 



Stipa spaetea, Trin. — Utah, 1871 and 1872; Twin Lakes, Colorado, 

 1873 (1103). 



Stipa vieidula, Trin. (Watson's Botany 40th Parallel, Synopsis Flora 



