Index 



313 



Microtome knives, 9. 



Microtome with motor, 103. 



Middle lamella, 76. 



Mitochondria, 132, 133. 



Mitosis: pollen mother cells, 268, 269; 



root-tips, 262, 263. 

 Moonlight tints, lantern slides, 146. 

 Mosses, 90. 



Mounting in balsam, 117. 

 Mucilage, 78. 

 Mucor, 192. 

 Musci, 216. 

 Myxomycetes, 152. 



Nemalion, 188, 189. 

 Needles, 13. 

 .\idularia, 206. 

 Xigrosin, 59. 

 .\ostoc, 158. 

 Nummularia, 201. 



Oedogonium, 163, 170. 



Oils, 76. 



Oogenesis: angiosperms, 274; gymno- 



sperms, 248, 255, 257; pteridophytes, 



240, 241. 



Ophioglossum, 230, 232. 

 Orange G, 58. 

 Oscillatoria, 156, 157. 

 Osmunda, 234, 236, 241. 



Pandorina, 166. 



Paraffin, 37; cakes, 110; method, 102. 



Parmelia, 202. 



Pellia, 209, 210, 213. 



Peltigera, 202. 



Penicillium, 199. 



Peristome, 90. 



Petrifactions, 126. 



Peziza, 196, 197. 



Phaeophyceae, 181. 



Photomicrographs, 136. 



Phycomycetes, 192. 



Physcia, 202. 



Phytelephas, 131. 



Picric acid, 27. 



Pilularia, 240. 



Pinus, 109, 251, 257, 258, 259. 



Plasmodia, 153. 



Pleurococcus, 166. 



Podocarpus, 255. 



Pollen grain, 271,272. 



Polyporus, 206. 



Polysiphonia, 190, 191. 



Polytrichum, 217. 



Proteids, 75. 



Prothallia, 21, 89, 101; Equisetum, 228; 



Filicales, 237, 238, 240, 241; Marsilia, 



242; Selaginella, 235. 



Protoncma, 216. 

 Protoplasmic connections, 129. 

 Prunus, floral development, 267. 

 Pteridophytes, 221, 227, 230, 233. 

 Pteris, 233, 234, 238. 

 Ptilidium, 208. 

 Puccinia, 202, 203. 



Quercus, 261. 



Ranunculus, 266; floral development, 266; 



root, 264. 



Reduction of chromosomes, 275. 

 Ribbons, 112. 

 Riccia, 207, 212. 

 Rivularia, 158. 

 Rhizopus (Mucor), 192, 193. 

 Rhodophyceae, 188. 

 Roots, 262; Pinus, 253; tips, 102, 262. 



Saccharomycetes, 196. 



Safranin, 51; with anilin blue, 85; with 

 haematoxylin, 81 ; with light green, 86 



Sagittaria, embryo, 279. 



Salix, floral development, 267. 



Salvinia, 240. 



Saprolegnia, 194, 195. 



Scalpels. 10. 



Scenedesmus, 166, 167. 



Schedules: glycerin, 94; celloidin, 122; 

 freehand sections, 84; iron-haema- 

 toxylin, 98; paraffin, 117; Sharp's, 43; 

 Venetian turpentine, 98; Yamanouchi's, 

 42. 



Scleroderma, 206. 



Sealing, 94- 



Sedum, 266. 



Selaginella, 223, 225. 



Senecio, 275. 



Sepia tones, lantern slides, 145. 



Sieve tubes, 262. 



Siphonostele, 261. 



Slides, 15. 



Sori, fern, 90. 



Sparganium root, 265. 



Spermatogenesis: angiosperms, 268, 269; 

 gymnosperms, 246, 248, 253; pterido- 

 phytes, 228, 238. 



Spermatophytes, 244. 



Sphacelaria, 182. 



Sphaerotheca, 199. 



Sphagnum, 220. 



Sphenophyllales, 221. 



Spirogyra, 163, 164, 175. 



Sporodinia, 194. 



Sporogenesis, 236, 237. 



Staining-dishes, 15, 40. 



Stains, combination, 59. 



