CATALOGUE. 285 



pubescent below, espeeiall) T on the nerves, nearly equal, lower one 3-nervecl, 

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

 than in M. sylvatica. — Camp Crittenden, Southern Arizona, 1874 (G81). 



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

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



Calamagrostis Canadensis, L., var. robusta. — A robust form, ap- 

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



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

 Saguache Creek, Colorado, 1873 (1097). 



Calamagrostis stricta, var. robusta. — 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). 



Calamagrostis stricta, var. brevior — 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). 



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

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

 Park, Colorado (1095). 



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

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

 Colorado, 1873 (1102). 



Oryzopsis micrantha, Thurb. (Synopsis of Flora of Colorado). — 

 Santa Fd, 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 spartea, Trin. — Utah, 1871 and 1872; Twin Lakes, Colorado, 

 1873 (1103). 



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



