tlllNClPAL DEt'lNlTlONS AND NAMES. 485 



Richier de Belleml, 449 

 Rind of trees, 67,— its structure, 

 292, — clefts and diseases, 419 

 Rivinus, 141, 446 

 Roche, Be la, 467 

 Roll, 78 

 Romer, 462 

 Roscoe, 467 

 Roth, 467 



Roxburgh, 466, 467 

 Rudolphi, 464 

 Ruh, 466 

 Rumph, 448 



S 



Saccharine matter, 351 

 Salisbury, 468 

 Salm-Dyck, Prince of, 467 

 Sap, 347, — ascending, 348 

 Sap-tubes, 274,— how they act, 



376 

 Sarments, 71 

 Saussure, 457 

 Sauvages, 141 

 Savi, 467 



Scab of the bark, 419 

 Scales of the surface, 27, 81 

 Scheuchzer;, 4f52 

 Schkuhr, 465i 467 

 Schmidel, 46 1 

 Schrader, 465 

 Schreber, 467 

 Schultes, 462 

 Schrvagrichen, 467 

 Schweinitz, 467 

 Scopoli, 459 

 Screens, 347 



Seeds, 108, — their evolution, 



383 

 Sequier, 459 

 Sennebier, 464 

 Seringe, 467 



Sexual parts, 103, — their struc- 

 ture, 333 

 Sheath, 77 

 Shoots, 71 

 Shrub, 66 

 Sibthorp, 466 

 Silex, 359 

 Sihque, 114 



Simplicity of parts, 45 



Situation of parts 



Size of parts, 19, 203 



Sleep of plants, 367 



Slits of the surface, 309 



Sloane, 448 



Smell of flowers, 329 



Smith, 465, 466, 467, 468 



Soil, what plants take up from 

 it, 347, — whether it be ex- 

 hausted by plants, 350, — 

 how it influences plants, 397 



Sowerby, 465, 467 



Species, idea of, 122 



Speckled structure, 411 



Spiculae, 84 



Spike, ib. 



Spines, 71 



Spiral vessels, 277 



Sprengel, 46 1 



Spurs, 95, 102 

 Stackhouse, 467. 

 Stalk, 70 



Starch in plants, 351 



Stem, 66, — its structure, 299 



Sternberg, Count of, 467 



Stigma, 106, — its structure, 340 



Stipe, 70 



Stipula, 78 



Storms, their effect on plants, 



372 

 Strobilus, 84 



Structure of plants in general, 

 270 



Strychnin, 362 

 Sturm, 465 



Substance of parts, 30 

 Sulphur in plants, 36 1 

 Supports of plants, 79 

 Surface of the parts, 24 

 Sutures, 110 

 Swartz, 466 

 Sweet, 468 

 Symphysandria, 139 

 Syanthera, 139 

 Syngenesious plants, 131,-— 



structure of their filaments* 



333 



Synonymy, 250 

 System of plants, 



