314 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
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a: 
FIGURE 292.—Hymenachne amplexicaulis, X 1 (Chase 6317). 
the lemma abruptly acuminate into a slender, densely pubescent tip, 
the margins slightly inrolled below, membranaceous, flat and pubes- 
cent above, the summit of the palea not enclosed, densely pubescent 
on the margin. Tufted wiry perennials with firm blades. 
Culms leafy, the blades elongate; panicles terminal only, of several Peer 
a . DURA. 
Culms nearly naked, the leaves reduced to the sheaths or nearly so, the basal 
leaves with blades; panicles terminal and axillary, simple. 
2. S. AMPHISTEMON. 
