INDEX 



403 



Rhodochaetaceae, 338 

 Rhodochaetales, 338 

 Rhododendron, 365 

 Rhodomela, 339 

 Rhodomelaceae, 339 

 Rhodophyceae, 205, 338 

 Rhodophyllidaceae, 339 

 Rhodophyllis, 339 

 Rhodymenia, 339 

 Rhodymeniaceae, 339 

 Rhodymeniales, 339 

 Rhoedales, 364 

 Rhus, 372 

 Rhytisma, 341 

 Ribes, 309, 369 

 Riccia, 244, 348 

 Ricciaceae, 348 

 Ricciales, 348 

 Riccias, 348 

 Rice Grasses, 359 

 Ricinoleic acid, 143 

 Ricinus, 305, 363 

 Ringed vessels, 36 

 River-weeds, 357 

 Rivularia, 331 

 Rivulariaceae, 165, 331 

 Rivularias, 165 

 Robinia, 369 

 Roccella, 342 

 Roccellaceae, 342 

 Rockweeds, 201, 337 

 Root (thickened), 320 

 Roots, 256 

 Rootstocks, 319 

 Rosa, 307, 368 

 Rosaceae, 368 

 Resales, 368 

 Rose, 307, 368 



-apples, 307 

 Round Diatoms, 181, 333 

 Rubiaceae, 373 

 Rubiales, 373 

 Rubus, 291 

 Rudbeckia, 315, 375 

 Ruderal plants, 320 

 Runners, 319 

 Rushes, 358 

 Russian Thistle, 325 

 Russula, 345 

 Rusts, 232, 347 

 {luta, 363 



Rutaceae, 363 

 Rutilariaceae, 334 



S 



Sabal, 300 

 Sabiaceae, 371 

 Saccharomyces, 223, 344 

 Saccharomycetaceae, 344 

 Saccharose, 17, 146 

 Sac- Fungi, 213 

 Sachs's solution, 98 

 Sac-spores, 213 

 Sage, 304 



Sagittaria, 291, 357 

 Salicaceae, 364 

 Salicin, 149 

 Salicylic acid, 141 

 Salix, 364 

 Salsola, 365 

 Salvadoraceae, 366 

 Salvia, 304, 305, 367 

 Salvinia, 259, 353 

 Salviniaceae, 353 

 Sambucus, 315, 373 

 Sand-bur, 325 

 Sanguinaria, 364 

 Sanicula, 372 

 Santalaceae, 371 

 Sapindaceae, 371 

 Sapindales, 371 

 Sapindus, 371 

 Saponin, 148 

 Sapotaceae, 366 

 Saprolegnia, 186, 335 

 Saprolegniaceae, 186, 335 

 Saprolegniales, 335 

 Sap wood, 62 

 Sarcina, 331 

 Sarcoscypha, 224 

 Sargassaceae, 337 

 Sargasso Sea, 203 

 Sargassum, 202, 337 

 Sarraceniaceae, 362 

 Sarraceniales, 362 

 Saururaceae, 361 

 Saxifraga, 369 

 Saxifragaceae, 36 

 Saxifrages, 369 

 Scalariform vessels, 36 

 Scale Mosses, 247, 349 



