ILLUSTRATIONS. 



PLATES. 



Page. 



Plate I. Fig. 1. — Planting Beach grass in sand near Provincetown, Mass. 

 Fig. 2. — Kafir corn in grass garden of tbe U. S. Department of 



Agriculture 10 



II. Single plant of native "Giant Millet" in grass garden of the U. S. 



Department of Agriculture 28 



III. Fig. 1. — Young plants of Teosinte in grass garden of the U. S. De- 

 partment of Agriculture. Fig. 2. — Keed Canary grass in grass 



garden of the U. S. Department of Agriculture 38 



FIGURES. 



Fig. 1. Agropyron ropens 8 



2. Agrostis alba 8 



3. Alopecurus geniculatus 10 



4. Alopecurus pratensis 11 



5. Ammophila arenaria 11 



6. Andropogon halepensis 12 



7. Andropogon untans 12 



8. Andropogon provincialis 13 



9. Andropogon scoparius 14 



10. Andropogon virginicns 15 



11. Anthoxanthum odoratum 16 



12. Aristida fasciculata 17 



13. Arrhenatherum elatius 17 



14. Arundinaria macrosperma 18 



15. Avena fatua 19 



16. Beckmannia eructeforinis 21 



17. Bouteloua curtipendula 21 



18. Bouteloua oligostachya 22 



19. Briza media 23 



20. Bromus inermis 23 



21. Bromus secalinus 24 



22. Bromus unioloides 24 



23. Bulbilis dactyloides 25 



24. Calamagrostis canadensis 25 



25. Calamovilfa longifolia 26 



26. Campulosus aromaticus 27 



27. Cenchrus tribuloides 27 



28. Chtetochloa glauca 27 



29. Cha^tochloa germanica 28 



30. Chictochloa italica 28 



31. Chloris glauca 29 



32. Cynodon dactylon 30 



33. Cynosurus cristatus 31 



34. Dactylis glomerata .• 31 



35. Dactyloctenium legyptium 32 



36. Deschampsia flexuosa 33 



5 



