PUBLIC HEALTH BULLETIN NO. 2 86 



f/oref 



glumes 



SPIKELET 



■awn 



■pdle^ 



■ le 



mma- 



FLORETS 



¥^ LEAF 



ARRANGEMENT 



''' '""—leaf bUe 

 -ligule 



fieafh 



Figure 1. — A generalized diagram illustrating the morphology of grasses. 



scale 



SPIKELET 



.stem 



— leaf blade 



I 



-leaf shedfh 



tubercle 



dchene 



■perianth 

 bristles 



LEAF 

 ARRANGEMENT 



Figure 2. — A generalized diagram illustrating the morphology ofisedges. 



