INDEX. 



48T 



Robbins, Chandler, notice of, 427. 

 Roestelia botryapites, Scliw., 75. 



comuta, TuL, 75. 



peuicillata, Fr., 75. 

 B-ogers-Boud uiiiversal comparator, 



300. 

 Rogers, Wm. B., notice of, 428. 

 Rouiinia Palmeri, 115. 



unifaria, Engehn., 115. 

 Ruellia Parryi, Gray, 133. 



tuberosa, Liuu., 133. 

 Rumes Berlaudieri, Meissu., 148. 



crispus, Linn., 147. 



Mexicauus, Meissn., 148. 



s. 



Sagina crassicaulis, 191. 

 Salazaria Mexicana, Torr., 140. 

 Salex Bouplandiana, HBK., 156. 



taxifolia, HBK., 156. 

 Salvia angustifolia, Cav., 138. 



axilaris, M05. & Seese, 139. 



azurea, Lam., 137. 



ballotajflora, Beuth., 137. 



chamsedryoides, Cav., 137. 



coccinea, Liim., 137. 



farinacea, Benth., 137. 



glechomffifolia, HBK., 137. 



Graliami, Benth., 138. 



Greggii, Gray, 136. 



fulgens, Cav., 138. 



Hispanica, Linn., 138. 



lanceohita, Brouss., 138. 



lasiantha, Benth., 138. 



leucantlia, Cav., 138. 



Lindeuii, Benth., 138. 



microphylla, HBK., 138. 



Mexicana, Linn., 138. 



Nana, HBK., 138. 



patens, Cav., 138. 



pentstemouoides, Kunth, 137. 



regla, Cav., 137. 



Roemeriana, Sheele, 137. 



tiliajfoHa, Vahl, 137. 

 Salviastrum Texanum, Sheele, 140. 

 Samolus ebracteatus, HBK., 112. 

 Sanvitalia angustifolia, Engeltn., 105. 

 Saracha umbcllata, Don, 127. 

 Sartwellia Mexicana. Gray, 107. 

 Schaffuera gracilis, Benth., 173. 

 Schoenocanlon Drummondii, Gray, 



166. 

 Scirpus lieterocarpus, 171. 



supiuus, Linn., 171. 



Sclerocarpus uniserialis, Bcntbam & 



Hooker, 105. 

 Scleropogon Karwiuskyanus, Beuth., 



181. 

 Scutellaria Drummondii, Beuth., 140. 



Wrightii, Gray, 140. 

 Sedum radiatum, 193. 

 Selaginella cuspidata. Spring, 189. 



lepidophylla, Spring, 189. 



pilifera, A. Braun, 189. 



rupcstris. Spring, 189. 



saccharata, A. Braun, 189. 

 SeKnocarpus angustifolius, Torr., 143. 



Palmeri, HemsL, 143. 

 Seneco lobatus, Pers., 109. 



madrensis. Gray, 110. 



salignus, DC, 109. 



sanguisorba, DC, 110. 



toluccanus, DC, 110. 

 Setaria imberbis, Roem. & Schult., 173. 



glauca, Beauv., 173. 



uniseta, Pourn., 173. 

 Seyraeria bipiunatisecta, Seem., 131. 



virgata, Benth., 131. 

 Shell, potential of a, bounded by confo- 



cal ellipsoidal surfaces, 226. 

 Silphiuni asperrimum, Hook., 104. 

 Siphonoglossa pilosella, ToiT., 133. 

 Sisyriuchium scabrum, Cham. & 

 Schleclit, 160. 



Schaifneri, 160. 



tenuifolium, Humb. & Boupl., 

 160. 

 Smilax Bona-nox, Linn., 163. 

 Solanum Cervantesii, Lag., 125. 



elseagnifolium, Cav., 125. 



heterodoxum. Dun., 125. 



nigrum, Linn., 125 



rostratum, Dun., 125. 



Torreyi, Gray, 125. 



triquetrum, Cav., 125. 



tuberosum, Linn., 125. 



torvnm, Swartz, 126. 

 Solidago Canadensis, Liuu., 102. 



nemoralis. Ait., 102. 



velutina, DC, 102. 

 Speiranthes aurantiaca, Bentham & 

 Hooker, 159. 



cinnabarina, Benth. & Hook. 159. 

 Speimiacoce podncephala, Benth., 99. 



subulata, Pav., 99. 

 Spirfea occidenlalis, 192. 

 Sporobolus atrovirens, Kunth, 175. 



cryptandrus, Gray, 175. 



repens, Presl., 175. 



?, 175. 



