rillXCIPAL DEFiNlTIOXS AND XAMI^S. 185 



Ricliier dc BeUeval, 44y 

 Rind of trees, 67, — its structure, 

 292,— clefts and diseases, 419 

 lUvinus, 141, 44^6 

 fxoc/ie, De la, 46? 

 Roll, 78 

 Homer, 462 

 Roscoe, 467 

 Roth, 467 



Roxburgh, 465, 467 

 Rudolphi, 464 

 Ruiz, 466 

 Rumph, 448 



Saccharine matter, 351 



Salisbury, 468 



Salm-Dijck, Prince of, 467 



Sap, 34*7, — ascending, 348 



Sap-tubes, 274, — how they act, 



^ 376 



Sannents, 71 



Saussure, 457 



Sauvages, 141 



Savi, 467 



Scab of the bark, 419 



Scales of the surface, 27, 81 



Scheuchzer, 452 



Schkuhr, 465, 467 



Schmidcl, 46 1 



Schrader, 465 



Schreber, 467 



Schultes, 462 



Schwagrichen, 467 



Schweiuitz, 467 



Scopoli, 459 



Screens, 347 



Seeds, 108, — ^^iheir evolution, 

 383 



Scquier, 459 



Senncbier, 464 



Seringa, 467 



Sexual parts, 103, — tht'ir struc- 

 ture, 333 



Sheath, 77 



Shoots, 71 



Shrub, 66 



Sibihdrp, 466 



Silcx, 359 



Silique, 1 M 



Simplicity of parts, 45 



Situation of parts 



Size of parts, I9, 203 



Sleep of plants, 367 



Slits of the surface, 309 



Shave, 448 



Smell of flowers, 329 



Smith, 4()5, 466, 467, 468 



Soil, what plants take up fioin 

 it, 347, — wliether it be ex- 

 hausted by plants, 350,— 

 how it influences plants, 397 



Sotverby, 465, 467 



Species, idea of, 122 



Speckled structure, 41 1 



Spiculae, 84 



Spike, ib. 



Spines, 71 



Spiral vessels, 277 



Spreugcl, 461 



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 



Stiplda, 78 



Storms, their effect on plants, 

 372 ^ 



Strobilus, 84 



Structure of plants in general. 

 270 



Strychnin, 362 



Sturm, 465 



Substiuice of parts, 30 



Sulphur in plants, 'MU 



Supports of plants, 7f) 



Surface of the parts, 24 



Sutures, 1 10 



Swartz, 4()6 



Sweet, 468 



Symj)hysandria, 1 .'JO 



Syanthera, 139 



Sy ngenesioiis plants, 131, — 

 structure of llieir filament.^. 



Synonymy, '.'50 

 System of j)lants, 



