148 
Schliesshaut, 19. 
Schwendener, 53. 
Sclerenchymatic, 94. 
Sclerenchyma, 125. 
Sclerotium, 79. 
Sheath, 68. 
Sieve-tubes, 61. 
Silicon, 20. 
Sinistrin, 38. 
Sodium, 19. 
Solution, 5. 
Spindle, 28. 
Sporogonium, 84. 
Starch, 28. 
grains of, 23. 
simple, compound and_ semi- 
compound grains, 33. 
transitory and reserve, 32. 
Stem, 96. 
—— comparative anatomy of, 96. 
branching of, 101. 
— monocotyledonous, 107. 
—— dicotyledonous and gymnosperm, 
110. 
—— comparison of the two types, 113. 
—— variations from normal types, 114. 
Stereome, 69. 
Stomata, 52. 
Stratification, 13. 
Striation, 13. 
Stypocaulon scoparium, 77. 
Suberin, 21. 
Sugar, 36. 
Sulphur, 20. 
Sympodium, 98. 
System, 49, 50, 59, 69. 
Tannin, 39. 
Taxodium distichum, 9. 
Tissue, 41. 
definition of, 41. 
—— false and true, 42. 
INDEX. 
Tissue, meristem and lasting, 43, 
felt, 75. 
palisade and spongy, 92. 
Thallus, 80. 
Thallophytes, 80. 
anatomy of, 85. 
Theories 
of organized structures} 4. 
— the physical nature of proto- 
plasm, 6. 
Thorns, 55. 
Tracheae, 64. 
Tracheids, 66. 
Trichomes, 55. 
Tubes and tubular ducts, 70. 
Turgescent, 8. 
Turgor, 8. 
Turpentine, 37. 
Tylose, 66. 
Tyrosin, 36. 
Urmeristem, 45. 
Vacuole, 6. 
Vitis, 35. 
Vascular bundle, 47. 
table of compound, 67. 
— classes, 68. 
—— leaf-trace bundle, 91. 
—— root bundle, 122. 
— origin of root bundle, 123. 
Vascular cryptogams, 88. 
Wax,)-37, 57. 
Wood, 141. 
heart and splint, 141. 
Xanthophyll, 50. 
Xylem, 60. 
Year’s rings, 131. 
Zea Mays, 54. 
