INDEX 



473 



Smilax, ornata, 303 



Smuts, 267 



Soap wort Family, 358 



Soft bast, 144 



Solanaceae, 390 



Solaneae, 191 



Solanine, micro-chemic test for, 85 



Solanum N. F., 391 



Solanum, 391 



carolinense, 391 



Dulcamara, 391 



tuberosum, 85 

 Sorbinose, 74 

 Soredia, 28"i 

 Sorghum, 75, 299 

 Sorosis, 2ii 

 Sorus, 40, 290 

 Sour Gum, 378 

 Soy Bean, 344 

 Spadix, 179 

 Sparganium, 409 

 Spathe, 178 

 Species, 2 

 Spermacia, 271 

 Spermagonia, 271 

 Spermatocyte, 43 

 Spermatophyta, 292 



outline of, 4 



Spermatozoid of fern, 43 

 Spermoderm, 213 

 Sperms, 245 

 Sphaerella, 232 

 Sphagnales, 286 

 Sphagnum, 286 



acutifolium, 284 



squarrosum, 284 

 Spicebush, 331 



Family, 330 

 Spiderwort, 66 

 Spigelia, 382, 383 



marilandica, 384 

 Spike, 179 

 Spinach, 323 

 Spine, 138 



Spirilla, types of, 221 

 Spirillum, 221 



cholerae asiaticae, 224 



obermeieri, 224 

 Spirochaeta, 221 

 Spirogyra, 236 



life history of, 236, 237, 238 

 Spirosoma, 221 

 Sporangiophores, 248 

 Spore, 41 



brand, 267 



Sporogonium, 283, 286 

 Sporophore, 274 

 Sporophyte, 33, 44 

 Spruce Gum, 295 

 Spurge Family, 355 

 Spur shoot, 47 

 Spurs, sepaline, 184 

 Staff Tree Family, 356, 357 

 Stage micrometer, 31 

 Stain, for "acid proof" bacteria, 226 



Broca's differential, 227 



Delafield's haematoxylin, 29 



Ehrlich'sx gentian violet, 226^ 



Gram's, 225 



Loffler's methylene-blue, 226 



Van Ermengem's flagella, 226, 227 



Ziehl's carbol-fuchsin, 226 

 Staining, 21, 22, 28, 29 



of bacteria, 224-227 

 Stamen System, 188 

 Stamens, color of, 190 



connation of, 189 



definite, 188 



diadelphous, 189 



didynamous, 189 



epigynous, 189 



gynandrous, 189 



histology of parts, 190-195 



hypogynous, 189 



indefinite, 188 



insertion of, 189 



monadelphous, 189 



perigynous, 189 



