452 



INDEX. 



Plantoe Prattenianfc, 177. 



riantago Patagonica var Aristata, 341. 



Plantes Cryptogames de France. 268. 



Planting of coniferous trees, 287. 



Planting of trees in Fairmount Park, 349. 



Plants Appearing in Flower in ttie Neigh- 

 borhood of Philadelphia from Feb- 

 ruary to November, 259. 



Plants of Arctic Regions, 24 ; from Asia 

 Minor, 29; Australia, 28; of Bahamas, 

 372; of Bolivia, 29; of Brazil, 29; of 

 Chiapas Mexico, 29; of Chili, 29; of 

 China, 28 ; of Delaware, 273 ; of 

 Formosa, 28; of France, 28; collected 

 by Wm. Gambel, 232; of Germany, 

 281; from Greece, 29; from Green- 

 land, 29; from Guatemala, 29; of the 

 Holy Land, 282; of Japan, 28; from 

 Kurdistan, 29; of Lancaster Co., 241 ; 

 of Lebanon, 282; of Lewis and Clark, 

 116; of John Lyon, 116; from Mace- 

 donia. 29 ; of Mauvaises Terres, 241 ; 

 from Mesopotamia, 29; of Tabasco, 

 Mexico, 29 ; of New Caledonia, 281 ; 

 Catalogue of New Jersey, 242 ; of 

 Pike's Peak, 323; of South America, 

 29 ; of Tasmania, 28 ; from West In- 

 dies, 29. 



Plukenet's herbarium, 116. 



Plums at Bartram's, 70. 



Podophyllum Resin, 377 ; Structure of, 

 335. 



Podophyllum peltatum, Variations of, 

 242. 



Poems by Geo. Webb, 43. 



Poems of Halliday Jackson, 223. 



Poinsett, Mr., Mexican Minister, 195. 



Poinsettia pulcherrima, introduction of, 

 195. 



Poisonous fungi, 315. 



Poisonous Plant, An Additional, 396. 



Polecat Hollow, Legend of, 315. 



Polemoniacese, 241. 



Polygonacese, 241. 



Polyporese, 269. 



Pond of University, 19. 



Poplar Tree, 311. 



Pores of Libriform Tissues, 355. 



Porter, Dr. H. C, 11, 16, 23; sketch of, 411. 



Porter, Prof. Thos. C, 11, 280, 327, 383 ; 

 biography of, 236 ; tribute to, 239 ; 

 bibliography of, 241 ; encourages R. 

 G.Bechdoldt, 347. 



Portlandia, 118. 



Puerto Rican Plants, 282. 



Portrait of Wm. Bar tram, 86 ; of J. W. 

 Harshberger, ;^91 ; of Adam Kuhn, 

 88 ; of Le Conte, 149 ; of Muhlenberg, 

 92; of Rafinesque, 147; of Thos. Nut- 

 tall, 151 ; of David Townsend, 164 ; of 

 Dr. Casper Wistar, 108. 



Portulaca grandiflora, Irritable Stamens 

 of, 249. 



Post-graduate Class in Botany, 16. 



Post, Dr., of Syria, 25, 281. 



Potamogeton crispus, Discovery of in 



Potato, The Arizona, 310 ; Origin of, 399. 

 Potter s Clay, 3. 



Powerful Temperance Sketches, 314. 

 Practice of Medicine, Treatise on, 182. 

 Pratt, Henry, garden of, 194. 

 Pratten's collections, 10. 

 Preface to Medicina Britannica, 50. 

 Preliminary Notes on Nelumbium lu- 

 teum, 291. 



Pre-Linnpcan Period, 5. 



Primeval forests, 311, 395. 



Primeval Forest, 311. 



Pringle, Prof. C. G., 16, 25, 26, 29, 282, 326. 



Proceedings of the Academy of Natural 

 Sciences, account of, 423; American 

 Pharmaceutical Associaion, account 

 of, 424 ; American Philosophical So- 

 ciety, 422. 



Prodromus of Fresh Water Algse, 317. 



Production of Fruit, Statistics of, 399. 



Progress of Systematic Botany in North 

 America, address on, 239. 



Proposition of Moses Marshall for west- 

 ern explorations, 105. 



Prunus Alleghaniensis, a new plum, 242, 

 243 ; serotina, weeping variety of, 255. 



Pterostyrax hispidum, 256. 



Ptychosperma elegans, 33. 



Public career of Thomas Meehan, 252. 



Public services of Wm. Darlington, 137. 



Public School, Landreth, 91. 



Puerto Rico, botanical exploration of, 

 388 ; visited by Dr. Garber, 30.3. 



Pumpkin, An American Plant, 397. 



Purcha.se of Bartram's Garden, 72, 74; 

 of Ellis's herbaria, 272 ; of Martin- 

 dale's herbarium, ;}27. 



Pursh, Frederick, 4, 24, 96, 111, 133, 330; 

 book of, 8; and Lewis and Clark 

 plants, 27 ; biography of, 113 ; travels 

 of, 114, 115 ; diary of, 115. 



Purshia tridentata, :566. 



Pyrenomycetes, The North American, 

 265. 



Pyrrhopappus Rothrockii, 309. 



Pyrus coronaria, 407. 



Quaker settlers, early, 2. 



Quassia amara, 207 ; excelsa, 207. 



Queen Ulrica of Sweden, 52. 



Queletia mirabilis, 293. 



Quercus dentata, 255; Gambelii, 233; 

 heterophylla, 68, 323, :^28 ; hetero- 

 phylla, hybridity of, 68 ; heterophylla 

 at Marshal Iton, 83; Phellos, 66; mac- 

 rocarpa, 185, 319. 



Questions on College Botany, 334. 



Quinces at Bartram's 70. 



Quincy's Medical Lexicon, 79. 



Quinia, Estimation of, 365. 



Quinine Bimurias, 377. 



Rabenhorst's Fungi Europrei, 268. 



Races of Man, Chart of, 2:54 ; movement 

 of, 192; their Geographical Distribu- 

 tion, 192. 



Rafinesque, C. S., 4, 66; biography of, 

 14^1 ; candidacy of University of 

 Pennsylvania, 13 ; and Durand, 176 ; 

 views on evolutian, 147; genera of, 

 147 ; grave of, 146 ; herbarium of, 146 ; 

 and Charles F. Parker, 230 ; portraits 

 of, 147. 



Rafinesquia, 147. 



Rambles in East Florida, 303. 



Ramsey, William H., 172. 



Rand, Theodore, 32. 



Ranunculaceae, 8. 



Ranunculus abortivus var. micranthus, 

 341. 



Rarer Plants of Easton, 131. 



Rare shrubs at Stenton, 42. 



Raspberries at Bartram's, 70. 



