MANUAL OF THE GRASSES OF THE WEST INDIES ook 
the glumes and fruit, mucronate or short-awned, enclosing a hyaline 
palea; fertile lemma elliptic, acute, convex or boat-shaped, the firm 
margins clasping the palea, not inrolled. Freely branching, creeping, 
FIGURE 294.—IJsachne arundinacea, X 4% (Hitchcock 9728, Amer. Gr. Nat. Herb. 418). 
shade-loving annuals or perennials, with erect flowering shoots, flat, 
thin, lanceolate or ovate acuminate blades, and several one-sided, 
thickish, short racemes rather distant on a main axis. 
