INDEX. 



485 



0. 



Oils, high boiling, 53. 

 Oldeulaudia ovata, 97. 

 Omphalodcs alieua, Gray, 121. 



cardiopliylla. Gray, 121. 

 Oplismeuus setarius, Roem. & Schult., 



173. 

 Orthocarpus Mexicanus, Hemsl., 132. 

 Oxidation of Tuniicrol, 13. 

 Oxybaphus aggregatus, Vahl, 112. 



angustifolius, Sweet., 142. 



Cervantesii, Sweet., 112. 



glabrifolius, Vahl, 142. 



P. 



Palafoxia Hnearis, Lag., 107. 

 Paiiicum csepitosum, Swartz, 172. 



colonum, Linn., 172. 



Crus-Galli, Linn., 172. 



dichotomum, Linn., 172. 



divaricatum, Linn., 171. 



? 17L 



leucophfeum, HBK., 172. 



obtusum, HBK., 172. 



repeus, Linn., 172. 

 Pappophorura apertum, Munro, 180. 



Wrightii, 17S. 

 Parabrombenzyl compounds, 86. 

 Parabrombenzylbromide, 86. 

 Parabrombenzyldisulphide, 91, 92. 

 Parabrombenzylmercaptan, 90, 92. 



mercaptid, 90, 92. 

 Parabrombeuzylsulphide, 89, 92. 

 Parabrombenzylsulphone, 90, 92. 

 Parabrombeuzylsulpho-acid, 86. 



barium salt, 87. 



calcium salt, 87. 



chloride of the sulpho-acid, 88. 

 _ lead salt, 88. 

 Parietaria floridana, Nutt., 155. 



officinalis, Linn. (?), 155. 

 Paronychia Mexicaua, Hemsl., 143. 

 Parthenium argentatum, Gray, 104. 



confertum. Gray, 104. 



incanum, HBK., 104. 



lyratum. Gray, 104. 

 Paspalum distichum, Linn., 172. 



Humboldtianiim, Fluegge, 172. 

 Pectis angustifolia, Torr., 108. 



prostrata, Cav., 108. 

 Pedicularis Canadensis, Linn., 132. 

 Pellsea aspera, Baker, 187. 



atropurpurea, Link., 187. 



PelLsa cordata, J. Smith, 187. 



llexuosa. Link., 187. 



marginata, Baker, 187. 



pulciiella, Fee, 187. 



rigida. Hooker, 187. 



Secmauni, Hooker, 187. 



ternifolia, Link., 187. 

 Pentabromcurcumiudibromide, 7. 

 Pentacsena polycuemoides, Bartl., 143. 

 Pentstemon baccharil'ohus. Hook., 

 129. 



barbatus, Nutt., 129. 



campanulatus, AVilld., 129. 



imberbis, Trautv., 129. 



steuophyllus, Gray, 130. 



tenuifolius, Benth., 130. 

 Peperoraia umbilicata, Ruiz & Pavon, 



148. 

 Perezia Wrightii, Gray, 110. 



runcinata. Lag., 110. 

 Pernospora Halstedii, Farlow, 71. 



obducens, Schrt., 70. 



viticola, DeBary, 70. 

 Persea gratissima, Gaertn., 148. 

 Petunia parviflora, Juss., 129. 

 Phaceha congesta,.Hook., 118. 



glandulosa, Nutt., 118. 



integrifolia, Torr., 118. 

 Phenyldibromlactic acid, 280. 

 Pheuyltribrompropionic acid, 277. 

 Philibertia cynachoides, Benth. & 

 Hook.,^ 113. 



elegans, Benth. & Hook., 114. 



linearis, Benth. & Hook., 114. 

 Phlox Drummoudii, Hook., 117. 

 Phosphoroso-molvbdate of ammonium, 



237. 

 Phospho-vanadio-molybdates, 253. 

 Phospho-vanadio-tungstates, 257. 

 Phospho-vanadio-vanadico-tungstates, 



270. 

 Phyllactis pratensis, Benth. & Hook., 



99. 

 Phyllauthus polvgonoides. Spring., 



151. 

 Phyostegia Virginiana, Benth., 140. 

 Physalis sequata, Jacq., 126. 



angulata, Linn., 126. 



Pendleri, Gray, 126. 



lobata, Torr.,'l26. 



mollis, Nutt., 126. 



Philadelphica. Lam., 126. 



pubescens, Linn., 126. 



viscosa, Linn., 126. 

 Phytolacca Mexicaua, Sweet, 147. 



octandra, Linn., 147. 



