PLATE F. 



Fig. 28. Dinebra arabica, Beauv. 



a. A spikelet containing three florets. 



b. The flowering glume. 



c. The pale. 



d. A floret deprived of its coverings. 



Fig. 29. Eleusine aegyptiaca, Pers. 



a. A single spikelet. 



b. Flowering glume and pale. 



c. Pale enclosing the young fruit. 



Fig, 30. Phragmites communis, Trin. 



a. Spikelet, of which the lowest floret is male. 



b. Hermaphrodite floret. 



Fig. 31. Elytrophorus articulatus, Beauv. 





#trr 



a. A cluster of spikelets. 



b. A single spikelet. 



c. Flowering glume and pale. 



d. Pistil. 



Fig. 32. Hordeum vulgare, Linn. 



a. A single floret (terminal portion of flowering glume not shown 



here). 



b. Ditto with the flowering glume and pale removed. 



