214 
INDEX. 
Pelargonium, 26. 
Penicillium glaucum, 26. 
Phams, cristatns silica of, 54. 
Phytozoa, 70. 
■ in Chara, 70. 
in Mosses, 71. 
Pig, fat of, 185. 
muscle of, 195. 
Pigment, 202. 
in the eye, 202. 
■ skin, 203. 
• Lamprey, 204. 
Newt’s, 204. 
■ Plaice, 204. 
• absence of in Albinoes, 203. 
Pigmentum nigrum, 202, 205. 
Pine -apple fibre, 82. 
Pinus Webbiana, 11. 
Pith of Elder, 9. 
Pleurothallis, cells of leaf of, 9. 
fibro cellular tissue of, 75. 
Porcellanous deposit on bone, 
160. 
Porous tissue, 78. 
ducts, 105. 
Porpoise, adipose tissue of, 191. 
Potatoes, disease of, 33. 
starch of, 29. 
Pus, osseous granules in, 174. 
It. 
Rana paradoxa, cartilage of, 171. 
Raphides, 42. 
in Apple-tree, 46. 
■ artificial, 47. 
— — • in Cactus, 45. 
■ — — hi Elseagnus, 46. 
• — — in Elm, 46. 
in Hiccory, 45. 
in Lime-tree, 45. 
• — — hi Onion, 44. 
— — • in Squill, 43. 
Reptiles, adipose tissue of, 188. 
cartilage of, 140, 146. 
Resin, 41. 
Rete mucosum, 203. 
Rind of Gourd, 24. 
Rhubarb, starch of, 28. 
Riband-fish, vertebra of, 175. 
Rice-paper, 79. 
— silica of, 52. 
Rice-paper, starch of, 29. 
Root of Marchantia, 9. 
Rush, stellate cells of, 25. 
S. 
Salvia pratensis, seeds of, 14. 
Sarcina ventriculi, 19. 
Scale of Lepidosteus, 175. 
Scalariform vessels, 101. 
Sclerogen, 61. 
Seed of croton-oil, 67. 
of Gourd, 7. 
of Star anise, 65. 
of Tamarind, 67. 
Seeds, fibro-cellular tissue of, 77. 
— of Salvia pratensis, 14. 
Sepia, 209. 
Sheep, fatty degeneration of muscle 
of, 198. 
areolar tissue of, 129. 
Shell of Cocoa-nut, 68. 
of Walnut, 68. 
Silica, 49. 
of Bamboo, 51. 
of Canes, 52. 
of Deutzia, 55. 
of Equisetum, 49. 
of Oat, 54. 
of Rice, 52. 
of Wheat, 52. 
Siliceous cuticles, 49. 
Skin, pigment of, 207. 
Snake-wood, structure of, 65. 
Sparganium ramosum, cells of pe- 
tiole of, 24. 
Spermaceti, 187, 188. 
Spermaceti- whale, fat of, 187. 
Sphagnum, vessels of, 8. 
leaf of, 8. 
Spiral vessels, 93, 95. 
— of Canna bicolor, 98. 
of Leek, 99. 
Spores of Chara, 73. 
of Confervse, 70. 
of Equisetum, 73. 
Squill, raphides hi, 43. 
Star anise, seed of, 65. 
Starch, 28. 
of Arrow-root, 29. 
■ of Cassava, 31. 
■ ■ of Euphorbia, 32. 
