The grass family. The spikelet and the inflorescence. Modifications of the spikelet. Pediceled spikelets of few to many florets. Sessile spikelets in two-sided spikes. Pediceled spikelets with large glumes and other modifications. Pediceled one-flowered spikelets. Sessile spikelets in one-sided spikes. Diversely specialized spikelets. Spikelets with membranaceous glumes and hardened fruits. Paired spikelets with hardened glumes and thin lemmas. Highly specialized unisexual spikelets.