Explanation of Figures. 



Plate XXVII. 



Fig. 1. Culm of E riant hus Ravennce, (a), leaf-insertion, (b), culm-node, (c), axillary- 

 bud, (d), base of hairy leaf -sheath. 

 „ 2. Lower leaf of same. 



„ 3. Uppermost leaf of flowering culm of same. 

 Figs. 4 — 5. Base of lamina and top of leaf -sheath of same showing the concave midrib 

 and ligule. 

 All figures x f . 



