HORN KXPEDITION — BOTANY. 



INDEX. 



203 



Extent of, 39. 



Junction of, with Lower 

 Silurian, 39. 



Structural feature.s of, 10. 



Mateiial Geolojjy of, 41. 

 Primitive Australian Flora, 



Representative Genera of, 131. 

 Prinuilace;e, 170. 



proceriflora (Tlirelkeldia), 137, 191. 

 Prostanthera, 173. 

 Proteaceiv, IGl. 

 Psilotuni, 18G. 

 Psoralea, 1-32. 

 Pterocaulon, 164. 

 Pterigerun, 1G4. 

 Ptcronites, 109. 

 Ptilotus, 146. 

 Ptychosenia, 1.33. 

 pungen.s (Triodia), 18-3, 195. 

 raceniigera (TpoMnea), 171. 

 Rainfall, 17, Diminution of, 133. 

 liaphistonia, 103. 

 recticostatuni (Troehoceras), 102. 

 Red Bank CJorge, 58. 

 Red Mulga, bark of, 197. 

 Reproduction of plants, Checks to, 



133. 

 Rt'.stiacea^ 180. 

 Rliagodia, 148. 

 Rhanmacea', 159. 

 Rhizosperniie, 186. 

 Rhyncliosia, 154. 

 River Gravels, 71. 

 River Terraces, 72. 

 Rivers, 9. 



robusta (Callitris), 133. 

 Rotala, 157. 

 Rubiacea', 162. 

 Ruellia, 173. 

 Runiex, 193. 

 RutaceiB, 139. 

 Rutidosis, 166. 

 Salieariete, 157. 

 Salicoiiiia, 149. 

 Salsola, 150. 

 tSalsolacete, 148. 

 Saniolus, 170. 

 Sandiiills, 25. 

 Santalaeete, 160. 

 Santaluiu, 160. 



Sapiiidacere, 144. 

 S;ircosteinnia, 170. 

 saturni (Ortlioceras), 102. 

 Saxatile Vegetation, 120. 

 Scievola, 168. 

 Scalites, 103. 

 Scirpu.s, 181. 

 Scrophularinea', 172. 

 Senecio, 167. 

 Seringea, 143. 

 Setaria, 182. 

 Sida, 141. 

 Siegesbeckia, 166. 

 Silicification, 68. 

 Solanace;e, 171. 

 Solanum, 171. 

 Sonchus, 167. 

 Spaftothaninu.';, 174. 

 speciosuin (Trochoceras), 102. 

 Speigularia, 146. 

 Spinifex, 183. 



Spongida (Ordovician), 113. 

 Sporobolus, 184. 

 Sporadic occurrence of 



Larapintine species, 132. 

 Stackhousia, 145. 

 Stackhousiea', 145. 

 Station Range, 



Vegetation of, 121. 

 Steniodia, 172. 

 Stenopetaluni, 138. 

 Sterculiacea*, 142. 

 Stipa, 184. 



Stirlingi, (Wedelia), 167, 188. 

 Stony plain.s, 23. 

 Straporollus, 103. 

 Strophoniena, 111. 

 Styplielia, 177. 

 subhevigata (Corbicula), 73. 

 sulcata (Crassatella), 108. 

 Supra-Cretaceous, 65. 

 Swainsonia, 132, 153. 

 Table-lands, 7. 

 Table-topped Hills, 7. 

 tasnianicus (Straporullus), 103. 

 Teeonia, 173. 

 Ten ipleti (Ilia, 152, 

 Tellinoniya, 105. 

 Te|)hrosia, 153. 

 Terraces, Ri\er, 72. 



26a 



