APPENDIX. 



LANTERN SLIDES. 



No. of 

 view. 



1 . Cross sections of wheat grains, showing embryo and endosperm. 



2. Wheat roots. 



3. Different types of wheat stems. 



4 . Stem of different lengths. 



5. Sheath, auricle, and ligules. 



6. The distribution of leaves and the length of the internodes. 



7. The rachis. 



8. Crowded and open heads and types of spikes. 



9. Spikelets. 



10. Reproductive organs of wheat. 



11 . Different types of wheat grains. 



12. Grains of different varieties. 



No. 1, Red Fife from North Dakota; No. 2, Zimmerman from Kansas; No. 3, Turkey Red from 

 Kansas; No. 4, Fultz from Nebraska; No. 5, Glyndou (638) from North Dakota; No. 6, Rieti 

 from Italy. 



13. Grains of different species of Triticum. 



No. 13, Polish wheat; No. 14, Einkorn; No. 15, Black Velvet emmer; No. 16, Red Winter Club 

 spelt; No. 17, Volo: No. 18, En grain double. 



14. Heads and grains of durum wheat. 



15. Soft and hard wheats. 



16. Removing the stamens from the blossom. 



17. Breaking of pollen sacks. 



18. Removing undesirable flowers. 



19. Growing the first seed from hybrids. 



20. Emasculating and cross-pollinating wheat flowers. 



21. Variation in size of head. 



22. Map showing the distribution of different types of wheat within the United States. 



23. Plowing wheat land. 



24. Disking wheat land. 



25. Disking cornstalk ground for wheat. 



26. Liming land. 



27. Testing seed wheat. 



28. Germination of plump and shrunken seed wheat 



29. Drilling wheat. 



30. Furrow method of irrigating wheat. 



31. Effect of irrigation on the composition of wheat. 



32. Appearance of grains of different hardness and composition. 



33. Self-binders at work. 



34. Combined harvester operated by horses. 



35. Combined harvester operated with steam power. 



36. Cradling wheat. 



(19) 



