No. 28. 
EPICAMPES RIGENS Bentham. 
Rootstocks rather slender, ascending. Roots rather stout, little branched. 
Stems tufted, erect, commonly 2 to 6 feet high, glabrous, simple. Leaves of the 
root few; sheath glabrous or slightly scabrous above, usually clasping, seldom ex- 
eedin inches in length; blade elongated, often exceeding 1 foot, usually in- 
C g 5 
volute, scabrous; ligule about 1 line long, truncate, margin minutely ciliate. | 
Leaves of the abe 2 to 4, similar; sheaths mostly long and imbricated, often ex- 
ceeding 1 foot. 
Inflorescence paniculate. Panicle spike-like, 6 to 12 inches long, commonly 4 
to 2 inch in diameter, usually sheathed at the base; branches 1 inch long or less, 
appressed to the terete scabrous rachis. Branches ‘and pedicels scabrous. 
jpikelets lanceolate, narrowed at the base, terete, acute at the apex, 14 to 2 lines 
long, borne singly on the pedicels, rachilla pilose between the second and third 
Glwmes 3; first and second nearly equal, lanceolate-oblong, obtuse or acute, 
1-nerved, scabrous, two-thirds the length of the spikelet; third (flowering) broadly 
lanceolate when spread open, acute, 3- to 5-nerved, scabrous, with neither awn or 
mucro, hyaline below, usually lead-colored above, 
Flower hermaphrodite, single. Palet lanceolate, equaling its glume, 2-nerved, 
acute at the apex. Stamens 3; anthers linear, about 1 line long. Stigmas short, 
long-fimbriate. 
Grain not seen. Rachilla probably disarticulating above the second glume. 
PLATE XXVIII; a and 0, spikelet, opened and the parts separated; c, same, 
closed and facing in the opposite direction. The ovary is more than five times too 
long, and was probably drawn from a half matured specimen. 
This is a coarse grass growing in dense clumps, and is also sometimes called 
saccato. It does not extend far northward. 
TS RE 
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