ENGLISH BOTANY. 
filled wifn pith. Leaves about as long as the stem, rigid, channelled 
or involute, with numerous thick close cartilaginous minutely 
pubescent glaucous ribs above; leaves of luxuriant barren shoots, 
sometimes nearly flat, and then about -|- inch broad, but the involute 
leaves not above half that width; sheaths smooth; ligule very long, 
laciniate. Panicle 3 to 6 inches long by about f inch wide, attenuated 
at the base and apex, very dense. Glumes inch long, rough on the 
keel in the upper half, l^ales about -^^ inch shorter than the glumes, 
the lower one of the same parchment like texture as the glumes, and 
with a very short awn from a little below the apex, and not extending 
greatly beyond it, often not at all. Hairs at the base of the pales 
less than half their length. Inner pale nearly as long as the outer, 
but of a thinner texture. 
Leaves resembling those of Triticum junceum, but longer, more 
erect and more rigid, all of tliera becoming almost convolute when dry. 
Jfurmm. 
GEXrS XA-.-CALAMAGROSTIS. A Jans. 
Spikelets stalked, arranged in a loo>e or rarely dense open panicle 
which ha.^ elun-are spreading bninclu-s at lea>t during the time of 
tlwv/Hring, laterally comj)ressed, biconvex, open during tiowerinir, each 
eoriiaiidng a single perfect floret, wiliiout the rudiment of another or 
