362 



INDEX. 



Laboulbeniacesc, on some North 

 American species of, 5. 



supplementary note on, 2G1. 

 Lepidospartum latis(iuamum, l.]3. 

 Leptogium Hildenbrandii, Nyl., 49. 



Menziesii, Nyl., 49. 



saturninum, Nyl., 49. 

 Lichen-spores, culture of, 17, 18. 

 Lobelia Pringlei, 157. 



sublibera, 157. 

 Lupinus ermineus, 146. 



M. 



Magnetic field, on change of form 

 affecting a, 271. 



Mallotium tonientosum, Krb., 49. 



Malvastrum Schaffneri, 143. 



Mamillaria furfuracea, 150. 



Marsdenia Pringlei, 159. 



Membraniporidse, 281. 



Metastelma multiflorum, 158. 



Meteoric iron from Stutsman Coun- 

 ty, Noi-th Dakota, a new, 229. 



Methyl sulphide, 223. 



Microphone transmitter, excursion 

 of the electrodes of a, 69. 



Myriophyllum Mexicanum, 148. 



N. 



Nemastylis Brunnea, 162. 

 Nephroma tomentosum, 29, 31, 32. 

 Nitric acid, action of, 286, 295. 

 Nycteribia. 6. 



O. 



Omphalodes Mexicana, 158. 

 Oreopanax Jaliscana, 151. 

 Oscillations in air, electrical, 109. 

 Oxalis Madrensis, 144. 

 Oxybromide, on cupric, 215. 



P. 



Padina Pavonia, Lam'x, 84. 

 Paludicella, 279. 

 Pannaria molybdea, 35. 



rubiginosa, 37. 

 Pannariei, 33. 

 ]*arai)hyses, 6. 

 Paspnh'un Elliottii, 138. 

 Passiflora suberosa, 149. 



Patrobus longicornis, 12. 

 Pectis bracteata, 155. 

 Peltigera, Fee, 31. 



polydactyla, Iloffm., 31. 

 Peltandra alba, Pvaf., 138. 



undulata, Raf., 137. 

 Peucedanum (?) Madrense, 150. 

 Pentyl sulphide, 227. 

 Perezia capitata, 156. 

 grandifolia, 156. 

 Perymenium album, 154. 

 Petroleum oils, on the composition 



of certain, and of refining 



residues, 218. 

 Peyritschiella, nov. gen., 8. 

 curvata, nov. sp., 8. 

 minima, nov. sp., 266. 

 Physma compactum, Mass., 22, 49. 

 franconicum, Mass., 49. 

 Miilleri, Hepp., 49. 

 myriococcum, Mass., 49. 

 Platynus cincticollis, 9, 11. 

 Plumatella 27J. 

 Plumbic aa-chlorbromfurfuran-/3-Pul- 



phonate, 294. 

 Plumbic ^-chlor-S-sulphopyromucate, 



284. 

 Plumbic /3y-dichlor-S-sulphopyromn- 



cate, 288. 

 Plumbic /3-sulpho-8-chlorpyromucate, 



291. 

 Poliomintha bicolor, 160. 

 Polypides, regeneration of, 282. 

 Polygala Priniilei, 142. 

 Potassic /3-chlor-8-sulphopyromucate, 



285. 

 Potassic |3y-dichlor-S-sulphopyromu- 



cate, 288. 

 Potassic /3-sulpho-S-chlorpyromucate, 



292. 

 Pressures, a method of obtaining and 



measuring very high, 93. 

 Pressure coefficient of the Voltaic 



cell, note on the, 259. 

 Prionosciadium AVatsoni, 150. 

 Priva armata, 160. 

 Propyl sulphide, normal, 224. 

 Pseudoparaphyses, 6. 

 Piiccinellia, Pari., 140. 



R. 



Randia tomentosa, 152. 

 Regeneration of polypides, 282. 

 Rhodosciadium Pringlei, 151. 

 Ruppia occidentalis, 138. 



