INDEX 



415 



Quercus, 348 



Q 



R 



Ramalina, 265 



Ranunculus, root, 252; floral develop- 

 ment, 355, 356; endosperm, 368 



Razor blades (safety), 9; Watts, 10; 

 position, 10; grandfather's, 10; Gem, 

 335; Star, 335 



Reagents, 18 

 Red algae, 247 

 Reference books, 197 

 Rheotropism, 200 

 Rhizome, of ferns, 304 

 Rhizopus, 252, 253, 254 

 Rhodophyceae, 247 

 Rhodyjnenia, 248 

 Ribbons, 124 

 Riccia, 275, 281 

 Rivularia, 207 

 Root-tips, 20, 350, 351 

 Rumex crispus, 355 

 Rusts, 23, 266, 270 



S 

 Saccharorayces, 258 



Safranin and light green, 68, 93; and 



anilin blue, 92; and violet, 95 

 Sagitlaria, pollen, 361; embryo, 369 

 Sah'inia, 318, 321 

 Sambucns, root, 352; pollen, 361 

 Sanio, bars, 335 

 Saprolcgnia, 20, 255, 256 

 Scapania, 279 

 Scenedesnms, 210, 226 

 Schacht, 3 



Schaffner's formula, 26 

 Schizophyceae, 205 

 Schizophytes, 201 

 Schleiden, 3 

 Schultze's maceration 

 Scleroderma, 271 

 Scijlonema, 206, 207 

 Sedgwick, 271, 277 

 Sedum, epidermis, 99, 353 

 Selaginella, 123; sporangia, 297; game- 

 tophytes, 297; sporophyte, 297 



Sieve tubes, 349 



Silk, bolting, 24 



Silphium, pollen, 361; embryo sac, 365 



Slides, 16 



Smuts, 266 



Sodium bicarbonate, 32 



Sori of ferns, 98 



Sparganium, root, 353 



Special methods, 140 



Spermatophytes, 322 



Sphacelaria, 241 



Sphaerotheca, 262 



Sphagnum, 215, 285, 288, 291 



Sphenophyllales, 292 



Sphenophyllum, 156 



Spirillum, 202 



Spirogyra, 22, 23, 72, 101, 211, 212, 223, 



225 > > > 



Sporodinia, 254, 255 

 Sporogenous cell, 52 

 Sporophyte, of Hepaticae, 279 

 Staining dishes, arrangement, 44; stain- 

 ing living tissues, 152 



Stains and staining, 42; practical hints, 



77 



Star blade, 122 

 Starch, 83 



Steam method, 141, I42 

 Stemonitis, 4 

 Stender dish, 15 

 Sticta, 265 

 Stony tissues, 141 

 Strasbiu-ger, 45 

 Slrombus, 218 

 Stypocaulon, 242 

 Suberin, 52, 86 

 Syringa (lilac), leaf, 353 



Tapetal Plasmodium, 312 



Taraxacum, floral development, 356; 



parthenogenesis, 370 

 Tea filter, 24 

 Teliospore, 268 

 Temporary mounts, 80 

 Tetracera, 349 

 Thallus, of Hepaticae, 276 



