INDEX TO BOTANY. 



Pterocarya, 91. 



I'terogonaceas 63. 



I'terospora, 131. 



Puccoon, 198. 



Pulmonaria, 119. 



I'ulqiie, 81. 



Pulsatilla prateusis, 203. 



Pulteiiea;, 166. 



Pumpkin, the, 155. 



I'unica granatura, 158. 



Purshia, 103. 



I'urslaiie family, the, 152. 



Putamen, the, or stoue, 33. 



PutorieiP, 141. 



Pyueum, 104. 



Pyrolea-, 131. 



Pyiulariaoleilera, 102. 



Pyrus malus, communis, and coroDa- 



ria, 102. 

 Pyxidauthera, 120. 



Qualea, 160. 



Uuassia family, the, 173. 



Quercitron, 93. 



Quercus, 92 ; Q. virens, ib. : Q. tincto- 



ria, 93. 

 Uuina, 142. 

 Quince, the, 102. 

 Quitaje;u, 164. 



Raceme, explanatiou of the term, 



23. 

 Rachis, the, definition of the term, 15, 



22, 

 Radiola, 177. 

 Radish, the, 197. 

 Rafflesiaceie, 101. 

 Ralinesquia, 138. 

 Rainenla, nature of, 7. 

 Kanunculaceie, 202; ranunculus acris, 



&c., 43, 48, 203. 

 Raphaneie, 196. 



Raphe, explanation of the term, 32. 

 Raphides, nature of, 4, 

 Raspberry, the, 163. 

 Rattlesnake-srass, 69. 

 Ravenffla, 82. 

 Rectembrycai, 118. 

 Red coloring matters, whence derived, 



41. 

 Rep-top, 69. 

 Relhanioffi, 137. 

 Renealraia, 83. 

 Reproduction, organs of, 22; office of 



llie stamens and the pistil, 26; of 



llowerless plants, 37. 

 Resedace». 194 : reseda odorata and 



luteola, 195. 

 Resins, varieties of, 41. 

 Restiaceae, 72 ; restias, ib. 

 Reticulum, detlnition of, 7. 

 Rhamnacea;, 171 ; rhamnus catliarti- 



cus, ib. 

 Rheum palmatnra, compactum, and 



rhaponticum, 108. 

 Khexiea», 1.59. 



Rhinanthideas, 116; rhinanthus, ib. 

 Rhizanthe«. 100. 

 Rhizobolacea», 180. 

 Rhizocarpeae, (54. 

 Rhizogen family, the, 100. 

 Rhizome, the, or root stock, 11. 

 Rhizophoraceu', 160. 

 Rhododendrons, 131. 

 Rhodorea?, 131. 

 Rhubarb, 108. 

 Rhus toxicodendron, venenata, &c., 



170. 

 Uhynchosia, 166. 

 Rhynchosporew, 71. 

 Kibesiaceaj, 149; ribes grassularia, ru- 

 brum, &c., 150. 

 Ribsonia, 150. 

 Riccie«, 62. 

 Rice tribe, the, 70. 

 Ricinus communis, 99. 

 Riddellia, 137. 

 Rings, number of concentric, not an 



exact indication of the age of a tree, 



12. 

 Rivinea9, 108. 



Robinia pseudo-acacia, 167. 

 Rocella tinctoria, 61. 

 Rochea, 151 ; ruche», ib. 

 Rock-rose family, the, 193. 

 Rolandrese, 135. 



936 



Roots, the, of plants, various kinds, 

 forms, and objects of, 9; explanation 

 of scieniific terms expressive of dif- 

 ferent characters of, ib. ; difference 

 between true roots and subterranean 

 stems, 11 ; crown of the root, ib. 



Rosaceas, the rose family, 161. 



Rotbcjelliaceae, 68. 



Royena, 128. 



Rubia tinctoria, 142. 



Rubiacea% 140. 



Rudbeckia, 137. 



Rue family, the, 174. 



Ruellia formosa, 114. 



Rumex, 108. 



Kuppia, 73. 



Rushes, the, 77. 



Rutacese, 174 ; ruteiE, ib. ; rutosma 

 texensis, 175. 



Rye, 69. 



Rytisma acerinum, 182. 



Sabal, 77 ; .sabalineie, ib. 



Sabbatia, 122. 



Saccharum officinale, &c., 68. 



Safflower, 139. 



Saffron, 82. 



Sage. 115, 



Sageretia, 171. 



Sagittaria, 43, 75 ; sagittifolia, 75. 



Sago, of commerce, 76 ; the sago palm, 



77; impure, 88. 

 Salacia, 183. 



t^alaxidea", 130; salaxis, ib. 

 Salicine,TB, 93 ; salix, 51, 93. 

 Salicoruieie, 109. 

 Salpiglosside.e, 116. 

 Salsify, 139. 

 Salsolea>, 110. 

 Salvadora pereica, 110. 

 Salvia. 115. 



Sambucea', 142; s.ambucus, ib. 

 Samolea", 112; samolus, ib. 

 Samydacea', Ihe samyda family, 103. 

 Sandalwood familv, the, 102; red san- 

 dalwood, 167. 

 Sandarach, or pounce, 90. 

 Sanguinaria canadensis, 198. 

 Sanguisorbe.e, 103 

 Saniculeic, 145. 

 Sanseviera, 79. 

 Santalaceic, 102 ; santalum album, 



&.C., ib. 

 Sap, course of the, 41 ; sap wood, 13; 



sap green, 171. 

 Sapindacea', 180; sapindus saponaria, 



181. 

 ?apodilla family, the, 127. 

 Saponaria officinalis, 191. 

 Sapotace», 127. 

 Sapsago cheese, cause of the peculiar 



davor of, 167. 

 Sarcanthidea", 85. 

 Sarcocephalus, 141. 

 Sarcocarp, the, 33 ; sarcoderm, 35. 

 Sarcocol family, the, 104. 

 Sarcula'na, 186. 

 Sarcolobie, 165. 

 Sargassum bacciferum, 42. 

 Sarmenta, definition of the terra, 10. 

 Sarraceniacea», 198. 

 Sarsaparilla. 71, 86; the false, 144. 

 Sassafras officinale, 107. 

 f^atureineae, 1 15 ; satureia, ib. 

 Satyriadea", 85. 

 Saururace;«, 94 ; saururus cernuus, 



ib. 

 Saussurea, 138. 

 Savia, 99. 

 Savory, 1 15. 

 Saxifragacese, the saxifrage familv, 



148. 

 Scabiosa, 140. 

 Seas vole», 133. 



Scammony, 12U. ' 



Scandicineas 146. 

 Scepaceae, 99. 

 Schangina, 110. 

 Scheuchzeria, 75. 

 Schillera, 188. 

 Schizandre«, 201. 

 Schizanthus, 116. 

 Schlechtendalia, 138. 

 Schleidenia, 119. 

 Schuenus, 71. 

 SchoUera, 78. 



Schouwia, 196. 



Schwalbea, 116. 



Sciadopitys, 90. 



Scientific Terminology. See Defini- 

 tions. 



Scilleae, 79. 



Scirpea;, 71 ; scirpus, ib. 



Scitamineae, 83. 



Scleranthe«, 152 ; scleranthus, ib. 



Sclerie;e, 71. 



Sclerogen, composition of, 3. 



Sclerolepsis, 135. 



Scolobus, 166. 



Scolopendrium officinarum, 65. 



Scolyme«, 138 ; scolyraus, ib. 



Scorzonerea-, 138. 



Screw pines, the, 74. 



Scrophulariaceae, 115. 



Scutellarinea;, 115. 



Scythian lamb, 65. 



Seakale, 197. 



Sea-weed family, the, 57 ; process of 

 congugalion in, 58 ; the sea-wrack 

 tribe, ib. 



Sebesten plums, 1 19. 



Secale cereale, 69. 



Secamoneie, 125. 



Secretions of plants, 39. 



Securidaca, 192. 



Sedese, 151. 



Sedge family, the, 70; uses of various 

 sedges, 71. 



Sedgwickia, 141, 148. 



Sedum acre, 151. 



Seed, the, nature and component parts 

 of, 35 ; scientific terras employed to 

 designate the varieties of form and 

 composition of, as well as those of 

 the component parts, 35, 37. 



SelaginecP, 114 ; selago, ib. 



Selaginella, 63. 



Seliuum, 145. 



Semecarpus anacardium, 170. 



Sempervivum tectorum, 151. 



."^enebierieEe, 196. 



Seneca snake root, the, 192. 



Senecionidea;, 136; senecioneae, 137. 



Senna. 168. 



Sensitive plants, cause of the motions 



of, 1. 

 Sepals, the, 25. 

 Sequieria, 108. 

 Serapiadeae, 85. 

 Seringia, 188. 



Seriphiete, 137; seriphium, ib. 

 Serratula tinctoria, 139. 

 Service berry, the, 162. 

 .'^esamum, 121. 

 Seseli, 44. 

 Seselineie, 145. 

 Sessea, 118. 



Sesuvea^ 151 ; sesuvium, ib. 

 Set», or bristles, 7. 

 Setaria germanica, 68. 

 Sethia, 183. 

 Seymeria, 110. 

 Shaddock, the, 185. 

 Shea butter, 127. 

 Sheep-sorrel, 108. 

 Shepherdia argentea, 105. 

 Shorea robusta, 51. 

 Shoot, structure of a young, during the 



first and second years, 1 1, 12. 

 Shjubs, distinction between, and 



trees, 10. 

 Sibbaldia, 163. 



Sibthorpia, 116; sibthorpieae, ib. 

 Sicyoideae, 155; sicyos, ib. 

 Sida, 189 ; sideae, ib. 

 Sidesaddle-flower family, the, 198. 

 Silene», 190. 

 Siler, 146 ; silerinean, ib. 

 Silica, abundance of, in the grasses, 



39. 

 Siliqua, the, definition of, 34. 

 Silk cotton family, the, 188. 

 Silphie», 136; silphium, ib. 

 Silver weed. 104. 

 Silybeas 138 ; silybuixi, ib. 

 Simarubacea", the simaruba family. 



173. 

 Sinapis nigra and alba, 197. 

 Siphocamj)ylus, 132. 

 'iphonia elastica, 99, 100. 

 Sisymbrieae, 196; sisymbrium, ib 

 Sium latifolium, 147. 



