LIST OF ILLUSTRATIONS 



FIG. PAGE 



1. Production of hay and forage in the United States. One large 



dot represents 500,000 tons; one small dot represents 100,000 

 tons 14 



2. Production of timothy in the United States. One dot represents 



100,000 tons 15 



3. Production of timothy and clover mixed in the United States. 



One dot represents 100,000 tons 15 



4. Production of clover alone in the United States. One dot rep- 



resents 10,000 tons 16 



5. Production of alfalfa in the United States. One dot represents 



20,000 tons 16 



6. Production of millet and Hungarian-grass in the United States. 



One dot represents 5,000 tons 18 



7. Production of other tame and cultivated grasses in the United 



States. One dot represents 10,000 tons 18 



8. Production of wild, salt and prairie grasses in the United 



States. One dot represents 10,000 tons 19 



9. Production of grains cut green in the United States. One dot 



represents 10,000 tons 20 



10. Production of coarse forage in the United States. One dot rep- 



resents 20,000 tons 20 



11. Euchlsena mexicana. Portion of plant reduced; a pistillate in- 



florescence, and four fertile spikelets. (U. S. Dept. Agr. Div. 

 Agrost. Bull. No. 20) 160 



12. Coix lacryma-Jobi. Inflorescence showing several pistillate 



beads, the staminate spikes protruding: X% 162 



13. Miscanthus sinensis. Plant much reduced; spikelet, X 3. (U. S. 



Dept. Agr. Div. Agrost. Bull. No. 20) 166 



14. Saccharum officinarum. Plant much reduced; three joints of 



the rachis (a), a spikelet (6), and a flower (c), X3. (U. S. 

 Dept. Agr. Div. Agrost. Bull. No. 20) 167 



15. Erianthus divaricatus. Plant reduced; spikelet, flower, the 



two glumes, and the fertile lemma with lower portion of awn. 

 (U. S. Dept. Agr. Div. Agrost. Bull. No. 17) 168 



16. Andropogon furcatus. Inflorescence, X%. A joint of the rachis 



with a fertile spikelet below and a staminate spikelet above, X 5. 1 69 



(xv) 



