BECKMANNIA.—(1) Inflorescence of B. erucæformis, var., reduced in size; (2) a spike, enlarged; (3) a spikelet, and (4) the same opened; (5) the flower.
ERIOCHLOA.—(1) Inflorescence of E. polystachya, reduced; (2) a spikelet, enlarged, and (3) the same opened; (4) the flower opened.
ROTTBŒLLIA.—(1) Portion of the spike of R. rugosa, somewhat reduced, and (2) a portion enlarged, with (3) the fertile spikelet and (4) the pedicelled sterile spikelet of the middle joint displaced; (5) the fertile spikelet opened; (6) the third empty glume, and (7) the flower.
AMMOPHILA.—(1) Inflorescence of A. arundinacea, reduced; (2) a spikelet, enlarged, and (3) the flower, with a hairy rudiment at the base of the palet.
LEPTOCHLOA.—(1) Inflorescence of L. mucronata, reduced; (2) portion of rhachis of a spike, bearing two spikelets; (3) a 3-flowered spikelet; and (4) a flower removed.
BUCHLOË.—(1) Staminate and (2) pistillate inflorescence of B. dactyloides; (3) a staminate spikelet, and (4) one of its flowers removed; (5) a pistil late spikelet, enlarged; (6) vertical section of same; and (7) the outer empty glume removed.
MUNROA.—(1) Inflorescence of M. squarrosa; (2) a spikelet, enlarged; and (3) a flower, opened.