446 



INDEX 



Picea,i50;Pi)iits. 344. 345(fig-), 

 346, 347 (fis). 348. 349 (fig.). 

 350. 351 (fig). 3.5^ (fig.). 353 ; 

 Pleurococcus, i<)i, 192 (fig.) ; 

 Polypodimn, 296 ; Polvporiis, 

 250 (fig.) ; PoIyU-icliiitn, 274, 

 (fig.), 286 ; Pteris, 2'>t> (fig.), 

 300 ; Piicciiiia gyainims, 245-7 

 (fig.) ; Pylliiiim, 234, 235 (fig.), 

 236; Khodophyceje, 205 (fig.), 

 228 ; Riccia, 284 ; Saccharo- 

 myces, 256 (fig.) ; Saprohgnia, 

 235 (fig.), 236 ; Scenedesinus, 

 192 ; Sclerotinia, 239 (fig.), 

 241 ; Scolopendrium , 296 (fig.) ; 

 Selaginella, 318-20 (fig) ; 

 Sequoia, 347, 352 (fig.) ; Sphag- 

 num. 275 (fig.) ; Spirogvra , 

 216, 226-8 (fig.) ; Taxus, 



344. 34.5. 346 (fig.). 347 I 

 riiuja, 337 (fig.), 347, 330; 

 Tubcy, 240, 241 ; iUothyix, 212- 

 15 (figs.), 220; UrcdineEE, 

 245 -.S (fig); Ustilaginere, 

 248; VaUL'heria, 217, 218 

 (fig.), 220, 221 (fig.), 223, 

 224; \olvox, 190; Xylaria, 

 239 (fig.), 242; Zyguema. 22b-8 

 (fig,) ; Zygomycetes, 236-8 (fig.). 



Reproductive cells, asexual, 212, 

 219. See Gonidia, Spores, and 

 Zoospores. 



Reproductive cells, sexual, 184, 

 214, 220. See Egg, Gametes, 

 and Spcrmatozoids. 



Resedaceae, distribution of, 394 (fig.). 



Reserve-cellulose, 48, 53 ; hydroly- 

 sis of, 53. 



Reserve-substances, 40-52, 242, 

 319 ; accumulation of, 13 ; in 

 seeds, 40, 44, 45, 47, 49, 50, 

 5-. 333. 351 ; in storage-organs 

 other than seeds, 44, 45, 50 ; 

 nitrogenous, 50 ; .storage of, 

 40, 88, 132 ; translocation of, 



<^. 41, 46, 5-:. 124. 13-^, -8^. 

 Resin-cells, 340. 

 Resln-passages, 63, 339 (fig.), 340, 



341, 34^ (fig.), 343, 344 (fig.)- 

 Rcsms, 63, 64, 125, 151, 153, 334. 

 Resistance to, bending, J15, 172; 

 disease, 263, 384 ; drought, 

 186, igi, 205, 215; pulling 

 strains, 72, 88, 170; tearing, 



93. 115. 

 Jiespiration, 178, 201, 257 ; and 

 protoplasmic movement, 4 ; 

 of fat-containing seeds, 50. 



Respiratory cavitj-, 97, 108 (fig.;, 

 no, 164 (fig.), 166, 343. 



1-iesting nucleus, 21 (fig.), 22. 



Resting stages of, Chlamydomonas, 

 188; Cladophora, 216; Fungi, 

 241 (fig.) ; HcEmatococcus 

 (Sphacrella). 187 (fig.), 188; 

 Mucor, 238 ; Ulothrix, 215 

 (fig.) ; Yeast, 256 (fig.). See 

 also Oospores and Zygospores, 



Retention of megaspores, 321, 332, 



333- 

 Reticulate tracheids, 113 ; — veins, 

 112 ; — vessels, 35 (fig.), 36, 83 



(fi,?.). 

 Retuiosporci. 337. 

 Retting of fibres, 265. 

 Rheitm rhaponticum, 113. 

 Rhinanthus. hydathodes of, 144, 



145 (fig). 



Rhizocarpoyi confervoides, 258 (fig.). 



l^hizoids of, Fern-prothallus, 299 

 (fig.). 300. 301 (fig.) ; Liver- 

 worts, 270 (fig.), 271. 272, 273 

 (fig.). ^78 (fig.) ; Mosses, 274, 

 287 (fig.), 288. 



Rhizomes, 82, 88. in ; of Ferns, 

 289, 290 (fig.) ; of Horsetails 

 (Equisetum), 311 (fig.); of 

 Mosses, 274. 



Rhizophores (of Selaginella), 317 

 (fig.), 318. 



Rluzopus stolonijey, 237. 



Khodophjxea;, 203, 400 ; reproduc- 

 tion of, 205 (fig.), 228; struc- 

 ture of, 203, 204, 205 (fig.), 208. 



Rhubarb {Rheum rhaponticuy}}), 113. 



J{hus veymicifera, 155. 



Jiibes. 105, 115; cork of, 137 138 



(fig.). 

 Riccia, 284. 407. 

 Rice [Oryza saliva), 43, 33, 237 ; 



starch of, 42 (fig.), 43. 

 Ricinus coiiiiiiiniis, aleurone grains 



of, 30, 31 (fig) ; fat of, 49 ; 



hypocotyl of, 118 (fig.) ; seeds 



of, 371, 372. 376 (fig.), 

 king-bark, 141. 

 Ringworm, cause of, 233. 

 Rivularia, 206 (li,g.). 

 Robuiia pseudacacia, 113, 126. 

 Rocc-eUa, 2(n. 

 Rock-pools, plants of, 193, 203, 



204. 

 Rock Rose {Hclianlhenuim viilgayc), 



379 (fig.). 

 Rolled leaves, 17S; structure of, 



163 (fig.), 104 (fig.). 



