The legend of figure 2 should read; 
Fig, 2. Cross section of a leaf b]_ade, x 240, showing hypo 
fermal stereome, the large water-storage tissue, the palisade 
Bsue, and the mestome surrounded by a parenchyma sheath and a 
thick-walled mestome sheath. 
The legend of figure 6, page 8, should read: 
Fig, 6, Cross section of part of a culm from the epidermis 
to the central cavity, x 320, showing hypodermal stereome, two 
Mstome strands, and colorless parenchyma between them. 
'I 
