Ad 
| 
Muhlenber gia ——-, n. sp. 
everal See tneak of this were seen on the craggy slopes at Lim: 
pia Cation. 
Tycurus phleoides. 
Common on the lower ridges and mesas. I saw several plantsof 
it on the slight ridges that mark the uneven sui face of the 
prairie land around Marfa. 
Epicampes distichophylla. My 
This is one of the most common grasses on the craggy slopes of 
the mountains. The form without awns I saw only in the Lim- 
pia region. 
Epicampes stricta. 
Seen only in two localities—in gravelly soil near Medero Creek — 
and in one spot near the creek at Musquis Canon. 
Sporobolus airoides. 
e prevailing grass along saline and alkaline streams. At nearly 
all the creeks in western Texas, on the low prairies and in the — 
broad valleys subject to overflows, large level surfaces are 
covered with tussocks of this grass. 
Sporobolus Wrightii. ; 
ommon on the bottom land of the Rio Grande. Often mixed 
with the preceding on the flats by some of the creeks. 
Sporovolus cryptandrus. 
Frequent on the high prairies. Common at the Sand Hills. 
Sporobolus cryptandrus, var. strictus. ; 
cattered about in abundance at the Sand Hills. A few speci- 
mens seen near Toyah Creek. 
=o iceman, var, flexuosa, 
“the most common grasses at the Sand Hills. 
Bs osoiue pe us, var. robusta. 
A striking feature of the grass growths at the Sand Hills. Less 
common than the preceding. 
Sporobolus Nealleyi, n. sp. 
Seen at the Sand Hills only in one spot. 
Sporobolus ramulosus. 
requent at the Sand Hills; seen in a few places on the gi 
near Marfa and in a scala’ near Musquis. 
Sporobolus asperifolius, var. ' 
Seen at several places along Toyah Creek. Not seen elsewhere 
Sporobolus repens, 
Seen at several places on the prairie near Marfa; sometimes ip 
patehes occupying the ground for some yards. A few plants 
also seen in a valley near Musquis. 
Agrostis verticillata. 
' Frequent on the borders of creeks. 
