EXPLANATION OF THE PLATES. 



PLATE I. 



Pig. 1. A Fibrous Root. 



Fig. 2. A Creeping Root. 



Pig. 3. A Tapering or Spindle- 

 shaped Root. 



Fig. 4. A Tuberous or Knobbed 

 Root. 



Fig. 5. An Abrupt Root. 



Fig. 6. A Solid Bulb or Cormus, 

 properly a kind of subterra- 

 nean stem. 



Fig. 7. A Coated Bulb. 



Fig. 8. A Scaly Bulb. 



Fig. 9. A Granulated Root. 



Fig. 10. A forked or Dichoto- 

 mous Stem. 



Fig. 11. A Runner. 



Fig. 12. A Clinging Stem. 



Fig. 13. A Twining Stem. 



Fig. 14. A Jointed Stem. 



Pig. 15. A Scaly Stem. 



PLATE II. 



Fig. 16. A Jointed Culm. 



Fig. 17. A Knotted Culm. 



Fig. 18. AKneedorGeniculate 

 Culm. 



Fig. 19. Scape or Flower-stalk, 

 and Radical Leaves. 



Fig. 20. A Sessile or Sitting 

 Leaf. 



Fig. 21. A Stalked Leaf. 



Fig. 22. Alternate Leaves. 



Fig. 23. Opposite Leaves, which, 

 are also Cauline. 



Fig. 24. Scattered Leaves ; Cau- 

 line. 



Fig. 25. Clustered Leaves. 



Fig. 26. Whorled Leaves. 



Fig. 27. Fasciculate or Tufted 

 Leaves. 



Fig. 28. Imbricated Leaves. 

 Fig. 29. Decussated Leaves. 

 Fig. 30. Embracing Leaf. 

 Fig. 31. Connate Leaves. 

 Fig. 32. Perfoliate Leaf. 



PLATE III. 



Pig. 33. Equitant or Riding 

 Leaves. 



Fig. 34. Decurrent Leaf. 



Fig. 35. Peltate or Shield-shaped 

 Leaf. 



Fig. 36. Egg-shaped, or Ovate 

 Leaf; also Obtuse, and Entire. 



Fig. 37. Oval or Elliptical Leaf. 



Fig. 38. Spathulate Leaf. 



Fig. 39. Wedge-shaped Leaf. 



Fig. 40. Lance-shaped, Spear- 

 shaped or Lanceolate. 



Fig. 41. Linear Leaf. 



Fig. 42. Triangular Leaf. 



Fig. 43. Kidney- shaped Leaf ; 

 also Entire. 



Fig. 44. Heart-shaped Leaf. 



Fig. 45. Arrow-shaped Leaf. 



Fig. 46. Halbert-shaped Leaf. 



Fig. 47. Pinnatifid Leaf. 



Fig. 48. Lyre-shaped Leaf. 



Fig. 49. Runcinate Leaf. 



PLATE IV. 



Fig. 50. Pectinate or Comblike 

 Leaf. 



Fig. 51. Cleft Leaf. 



Fig. 52. Lobed Leaf. 



Fig. 53. Palmate Leaf. 



Fig. 54. Abrupt Leaf. 



Fig. 55. Retuse Leaf, also Un- 

 dulated or Waved. 



Fig. 56. Notched Leaf. 



