No, 14. 
MUHLENBERGIA SCHAFFNERI Fourn. 
Plant low, annual or short-lived perennial. 
Culms tufted, procumbent or spreading, branching freely, 2 to 4 inches tall. 
Leaves ; radical, few and small; of culm 3 to 5; sheaths compressed, open, 
striate, scabrous on both sides, margins white, $ to 1 inch long; ligule membrana- 
ceous, lacerate, ? line long, decurrent in prominent hyaline Ce on the sheath. 
nflorescence a narrow contracted panicle, 1 to 2 inches long, often included at 
base, rachis and branches angular, hispid. 
Spikelets sessile, appressed, narrow, 1} to 2 lines long; first glume lanceolate, the 
apex lobed, with 2 short unequal or nearly equal teeth at apex, hispid, 2-nerved, her- 
baceous, rigid, 1 to 14 lines long; second glume linear-lanceolate, acute, carinate, 
short-awned at apex, hispid, 1-nerved, 14 to 2} lines long, including awn; floral 
glume ovate, 2 minute hyaline teeth at apex, slightly hispid, ciliate below, 3-nerved, 
with slender awn % to 2 lines long, or sometimes awnless; palet ovate, acute, 
2-nerved, thin, smooth, 1} to 14 lines long. 
Grain narrowly cylindrical, reddish amber color, ¢ line long, falling with palet 
_ and glume but easily escaping. 
PLATE XIV, No. 2, lower figure; a, first empty glume; b, second empty 
glume; ec, floral glume; d, palet. 
Arizona, 
No. 14. 
MUHLENBERGIA DEPAUPERATA SGcrib. 
Plant low, tufted, annual or short lived perennial. 
Culms spreading, branching at each node, 3 to 4 inches tall. 
Leaves; radical, few or none; of culm 2 to 4, with loose, smooth, broad, open 
sheaths, and short folded or involute blades; ligule membranaceous, lacerate, de- 
current. 
Inflorescence a narrow, contracted, rather close panicle, 2 to 3 inches long, 
usually included below, rachis and branches angular, hispid, pedicels short. 
Spikelets narrow, 1-flowered, 14 to 2 lines long; first glume ovate, obliquely 
2-toothed at apex, scarious, minutely hispid, obscurely 1-nerved, ? to 1 line long; 
second glume lanceolate, narrowing at apex to a slender, awn-like point, scarious, 
minutely hispid, 1 to 14 lines long; floral glume narrowly lanceolate, with 2 minute 
teeth at apex, rounded on back, hispid, 3-nerved, 1} to 2 lines long, midnerve 
excurrent in an awn 2 to 5 lines long; palet lanceolate, acuminate, rounded, envel- 
oping grain, minutely pubescent, 2-nerved, 14 to 1} lines long. 
Grain narrowly cylindrical, reddish-amber, lighter i 1 line long, falling 
with palet and glume but easily escaping. 
PLATE XIV, No. 1, upper figure; a, spikelet enlarged; b, empty glumes; ¢, 
floral glume; d, palet. 
Very close to M. Schaffneri and perhaps but a variety of it, 
Arizona, 
x5 eee 
