Annual Spear Grass
Spear grass is a herbaceous grass often troublesome in gravel walks and on hard, dry soils. The general appearance of plants is often modified by climate, soil, and modes of cultivation. Certain characteristics which are permanent and remain unaltered by circumstances. The details of the calyx, cup, or outer scale of the spikelet, is very much magnified, composed of two glumes, the upper and lower, the upper glume being the larger. The glumes and pales are know also by the name of husks or chaff, and are usually removed in cleanng the seed.