16. Leaflets 3 Vitex trifolia L. Leaflets 7 Vitex negundo Lam. Leaves simple, flowers in stemless clusters, fruit black 40. Plantaginaceae 1. Plantago A. Leaves 1-10" long, 5-9 veins, smooth and broad Plantago major L. AA. Leaves 1-18" long, 3-5 veins, hairy and narrow Plantago lanceolata L. 15. Gramineae Subfamily I. Festucoideae Ia. Spikelets (Flowers) perfect, spikelets pedicellate and one flowered........................ Tribe V Agrostideae Amphila Sporobolus Polypogon Ib. Spikelets perfect, pedicellate, spikelets two to many flowed, glumes shorter than first floret...Tribe II Festuceae Eragrostis Poa Ic. Spikelets one to several flowered, sessile on opposite sides of a jointed or continuous axis forming symmetrical spikes ........................ Tribe III Hordene Lepturus Subfamily II. Panicoidese Id. Spikelets perfect, spikelets on one side of rachis; spike usually more than one.......................Tribe VII Chloridae Chloris Cynodon Eleusine