ILLUSTRATIONS 



No. Page 



1. Grain of Wheat, upper and under sides, 28 



2. Ear and Plant of Spring Wheat, 30 



3. Ear and Plant of Winter Wheat, 32 



4. Ear and Plant of Duck-Bill Wheat, 33 



5. Ear and Plant of Egyptian or many-spiked Wheat, 34 



6. Ear and Plant of Polish Wheat, 35 



7. Ear and Plant of Spelt Wheat, 36 



8. Ear and Plant of one-seeded Wheat, 37 



9. Wheat-fly, (Musca pumilionis) in its different stages, 41 



10. Corn Mildew ( Uredo frumenti) greatly magnified, 48 



11. Ear and Plant of Rye, 51 



12. Ear and Plant of Common Spring Barley, 57 



13. Premature germination of an Ear of Barley, 60 



14. Ear and Plant of Winter Barley, 62 



15. Ear and Plant of two-rowed Barley, 63 



16. Common bearded Oats, and Common Oats, 69 



17. Thames Corn-Barge, 80 



18. Ear and Plant of Rice, 82 



19. Rice-birds, male and female, 95 



20. Maize Zea mays, 99 



21. Ears of Maize, in different stages, 108 



22. Italian Millet Sitaria Italica, 116 



23. Buck-wheat Polygonum fagopyrum, 122 



24. Cassava Jatropha manihot, 153 



25. Indians preparing cassava, 156 



26. Salep Orchis mascula, 158 



27. Indian Arrow-root Maranta arundinacea, 162 



28. Wake-robin fLrum maculatum, 164 



29. Sweet potato Convolvulus batata 165 



30. Yam Dioscorea sativa, 167 



31. Different sorts of Yam-roots, 168 



32. The Banana, 170 



33. Stem of the Sago tree, showing the pith from which 



the Sago is extracted, 173 



34. Cabbage-Palm JLreca oleracea, 177 

 VOL. XV. A 



