270 



INDEX. 



Pellicle, (58. 



Penicilliura crustaceum , 153 ; glaucum, 



152 et seq. 

 Peristorae, 182. 

 Perithecium, 147. 

 Peronosporeae, 130. 

 Phaeophyceae, 13, 110. 

 Phaeosporeae, 110, 111. 

 Phagocytes, 51. 

 Phloem, 212, 227, 231. 

 Phycocyanin, 59. 

 Phycoerythrin, 118. 

 Phycomycetes, 13, 121, 125. 

 Phycophaein, 110. 

 Phyllotaxy, 20. 

 Picric acid, 151. 

 Pileus, 162. 

 Pines, 206 et seq. 

 Pinna, 35. 

 Pinnules, 35. 

 Pistil, 218. 

 Pith, 26. 



Pitted ducts, 231. 

 Plants, chlorophyl-bearing, 44; chlo- 



rophyl-less, 44; holophytic, 44; sa- 



prophytic, 44. 

 Plasm odium, 52. 

 Plasmolysis, 75, 150. 

 Plumule, 16, 222. 



Pollen, 11, 23, 24, 25, 205, 208, 218, 219. 

 Pollen sac, 208. 

 Pollinodium, 156. 

 Polymorphism, 121. 

 Polypetalous flowers, 24. 

 Polyporieae, 161, 164 et seq. 

 Polysepalous flowers, 24. 

 Polytrichum commune, 177 et seq. 

 Pond scum, 40 et seq. 

 Primordial utricle, 75, 101. 

 Prolification, 177. 

 Promycelium, 122. 

 Protein, test for, 241. 

 Prothallium, 10, 11, 36, 37, 184, 198, 



205. 



Protista, 45, 50, 63, 64. 

 Protococcaceae, 71, 81 et seq. 

 Protococcus, 42 et seq., 81, 84 et seq. 

 Protonema, 10, 36, 40, 169, 177, 197, 



198, 199. 



Protoplasm, 44, 45, 49, 59. 

 Pteridophytes, 3, 13, 183 et seq. 

 Pteris aquilina, 187 et seq. 

 Ptomaines, 65. 



Puccinia graminis, 157; maidis, 159; 



rubigo-vera, 158. 

 Puff Balls, 161, 165. 

 Pulvinus, 251. * 

 Pyrenoids, 100. 

 Pyrenomycetes, 147. 



Radicle, 16, 222, 235. 



Raphidium, 81. 



Red Alg33, 13, 71, 118, 119. 



Resin ducts, 213, 215. 



Resting spores, 52, 86, 91. 



Rhachis, 35. 



Rhizines, 141. 



Rhizoids, 10, 38, 167, 172, 175, 179. 



Rhizomes, 34, 188. 



Rhodophyceae, 13, 71, 118, 119. , 



Rivularieae, 60, 61. 



Rockweeds, 111 et seq. 



Root cap, 223 ; hairs, 17, 237 ; pressure, 



18. 



Roots, 27, 235. 



Rotation of protoplasm, 107. 

 Rusts, 13, 121, 125, 157 et seq. 



Saccharomyces, 138, 148 et seq. 



Sac Fungi, 13, 121, 137. 



Sach's solution, 101, 238, 239, 245. 



Salvinaceae, 186. 



Saprolegnieae, 135. 



Saprophyte, 120. 



Scalariform vessels, 229, 231, 2o3. 



Scenedesmus, 81. 



Schizomycetes, 13, 59, 63. 



Schizophytes, 59. 



Schultze's solution, 75, 85, 102, 114, 11(5, 

 129, 134, 143, 150, 179; macerating 

 mixture, 180, 192, 194, 225, 229. 



Sclerenchyma, 35. 



Scytonemeae, 60. 



Sea Lettuce, 88. 



Seed coat, 15, 16. 



Seed plants, 3, 13, 205 et seq 



Seeds, 26, 33, 206, 209, 219, 221. 



Selaginelleae, 204. 



Self-fertilization, 25. 



Sensitive plants, 253. 



Seta, 38, 179, 182. 



Sieve tubes, 216, 229, 231. 



Siphoneae, 71, 72 et seq. 



Sleep, 250. 



Slime Fungi, 13, 50 et seq. 



Slipper animalcules, 47. 



