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| 1. | F. D. Coburn | Frontispiece |
| 2. | A Typical Alfalfa Plant | 1 |
| 3. | Typical Stems and Foliage of the Alfalfa Plant | 1 |
| 4. | An Eight-year-old Alfalfa Plant | 6 |
| 5. | Crown of Plant Shown in the Preceding Illustration | 6 |
| 6. | Alfalfa Blossoms Enlarged | 7 |
| 7. | Intergrading Types of Seed Between Alfalfa and Sweet Clover | 12 |
| 8. | Seeds of the Weed Known as Buck-horn | 13 |
| 9. | Alfalfa Seeds Magnified Five Diameters | 13 |
| 10. | Sweet Clover—Alfalfa—Yellow Trefoil | 26 |
| 11. | Three Distinctive Types of Alfalfa Seed Magnified Twelve Times | 27 |
| 12. | Yellow Trefoil Pods | 32 |
| 13. | Alfalfa Seed Pods | 32 |
| 14. | Sweet Clover Pods | 33 |
| 15. | Bur Clover Seed Pods | 33 |
| 16. | Yellow Trefoil: Black Medic: Hop Clover (Medicago lupulina) | 37 |
| 17. | Three General Types of Alfalfa Seed | 44 |
| 18. | Dodder Seed Magnified | 45 |
| 19. | Alfalfa Seed Magnified | 45 |
| 20. | Dodder Plant on an Alfalfa Stem | 46 |
| 21. | Dodder (Cuscuta arvensis) | 47 |
| 22. | Alfalfa and Dodder Seed (Actual Size) | 47 |
| 23. | Dodder (Cuscuta epithymum) | 47 |
| 24. | Bur Clover Pod | 66 |
| 25. | Yellow Trefoil Seed Pod | 66 |
| 26. | Alfalfa Seed Pod | 67 |
| 27. | Spotted Clover Pod | 67 |
| 28. | Gathering Alfalfa Hay into Windrows with a Side-delivery Horserake | 78 |
| 29. | Cutting a Fine Field of Alfalfa | 79 |
| 30. | Gathering an Alfalfa Crop in Page County, Iowa | 92 |
| 31. | Alfalfa Harvesting Scene in Yellowstone County, Montana | 92 |
| 32. | Mast and Boom Stacker, with Six-tined Jackson Fork | 93 |
| 33. | A Derrick Stacker | 93 |
| 34. | Lattice Rack for Feeding Alfalfa to Cattle | 106 |
| 35. | Box Rack for Feeding Alfalfa to Sheep | 106 |
| 36. | Lattice Rack for Feeding Alfalfa to Sheep | 107 |
| 37. | Box Rack for Feeding Alfalfa to Cattle | 107 |
| 38. | Trocar and Cannula | 119 |
| 39. | Alfalfa Field in Central New York | 124 |
| 40. | Fourth Cutting of Alfalfa in Shawnee County, Kansas | 124 |
| 41. | A Second Cutting of Alfalfa (July 28) in Shawnee County, Eastern Kansas | 125 |
| 42. | Kansas Farmer Viewing One of His Alfalfa Fields | 138 |
| 43. | Harvesting Alfalfa in Ohio | 139 |
| 44. | Showing Advantage of Early Fall Sowing | 154 |
| 45. | Five-year-old Alfalfa | 155 |
| 46. | Alfalfa One Year Old, Showing Effects of Inoculation | 170 |
| 47. | A Good Type of a Four-year-old Alfalfa Plant | 171 |
| 48. | Alfalfa Plant and Roots Showing Bacteria Nodules | 196 |
| 49. | Tubercles on Clover Roots | 197 |
| 50. | Peculiar Nodules in Groups on Small Rootlets | 206 |
| 51. | Alfalfa Roots Showing Normal Nodules | 207 |
| 52. | Gopher Poisoning Tool | 214 |
| 53. | And There’s Still More to Follow | 220 |
| 54. | Dead Prairie Dogs | 221 |
| 55. | Pot Culture Experiments at University of Illinois | 230 |
| 56. | Six Months’ Growth of Alfalfa Foliage | 231 |
| 57. | Cutting Alfalfa in Southern California | 256 |
| 58. | Baling Alfalfa in Southern Oklahoma | 256 |
| 59. | A 400-ton Rick of Alfalfa | 257 |
| 60. | A Cable Derrick, Provided with a Grapple Fork | 257 |
| 61. | Sweet Clover (Melilotus alba) | 288 |
| 62. | Yellow Trefoil (Medicago lupulina) | 289 |
A Typical Alfalfa Plant
as it appears before the blossoms are developed. From Michigan Experiment Station Bulletin No. 225
Typical Stems and Foliage of the Alfalfa Plant
when beginning to blossom the most suitable for hay. Grown in Shawnee County, Kansas, on unirrigated upland prairie with a “gumbo” or hardpan subsoil. From the season’s third cutting, August 20; height 24 and 26 inches