1] SHEATH 5 
leaf-stalks', but pass below into a sheath, which runs some 
way down the stem and is nearly always perceptibly split 
Fig. 1. A plant of Oat (Avena), an example of a 
typical grass, showing tufted habit and loose 
paniculate inflorescence (reduced). Figuier. 
1 Leaf-stalks occur in tropical Bamboos. 
