19 



Peck, report on botany, II, 1872 ; see 



Cooke. 

 Pedigrees of flowers, II, 1884. 

 Penhallow, tendrils, II, 1887. 

 Pentstemon, I. 1862 ; sterile filament, 



Errera, II, 18*79. 

 Peoria flora, Brendel, II, 1883. 

 Peperacees, DeCandolle, II, 1867. 

 Perigynium, McNab and Dyer, II, 1874. 

 Periodicity in vegetation, Hyatt, II, 



1876. 

 Perottet, III, 1872. 

 Personne, Lupulin, II, 1855. 

 Peruvian Andes, flora, Ball, II, 1886. 

 Peyritch, J., Aroideae Maximilians, II, 



1880. 

 Pfeiffer, L., Ill, 1879. 

 Phacelia ixodes, Kellogg, II, 1884. 

 Phaenogamia, DeCandolle, II, 1881, '83 ; 



Gray, II, 1854; Planchon, II, 1887. 

 Pharmaceutical museum, Holmes, II, 



1878. 

 Pharmacographia, Fhickiger and Han- 

 bury, II, 1875. 

 Philibert, hybridation in Mosses, II, 



1873. 

 Phillips, J., origin of life, II, 1861. 

 Phycologia, see Harvey. 

 Phyllotaxis, I, 1849. 

 Physalis, I, 1874. 

 Physiological botany, I, 1857, II, 1846, 



'70; DeVriese, II, 1886; Goodale, II, 



1885; Henfrey, II, 1846; Link, II, 



1844; Meyer, II, 1841; Micheli, II, 



1872; Mohl, II, 1853; Sachs, II, 



1887; Vines, II, 1886. 

 Physiological groups, DeCandolle, II, 



1874. 

 Phytobiological observations, Lubbock, 



II, 1886. 

 Phytogamy, II, 1878. 

 Phytogeogenesis, Kunze, II, 1883. 

 Phytographia Canadensis, Webb, II, 



1852. 

 Phytography, DeCandolle, II, 1880 ; 



Kimtze, II, 1880. 

 Phytons, I, 1849. 

 Pickering, Charles, III, 1879. 

 Pictet. see DeCandolle. 

 Pilulana, Braun, II, 1864, '71, '73. 

 Pinguicula, Dickson, II, 1870. 

 Pittonia, Greene, II, 1887. 

 Pinus, I, 1885; Engelmann, II, 1880. 

 Planchon, J. E., Phanerogams, II, 1887. 

 Planera aquatica, I, 1868. 

 Plantaginaceae, I, 1857. 

 Plantain, I, 1876, '78. 

 Plant, analysis, Kellerman, II, 1884; 



diseases, Farlow, II, 1877 ; dissection, 



Arthur, Barnes and Coulter, II, 1886 ; 



life, II, 1885; names, see Names. 



Pleine Terre, fleurs de, Vilmorin, II, 



1864, '68, '71. 

 Pluchea, I, 1882. 



Podostemaceae, Tulasne, II, 1853; Warm- 

 ing, II, 1881, '82. 

 Poeppig, Edward, III, 1869. 

 Point Barrow expedition, see U. S. 



Govt. 

 Poisonous plants, I, 1878. 

 Polemoniaceae, I, 1870. 

 Pollen, action, Maximowicz, II, 1872 ; 



foreign, I, 1858; Orchidaceae, II, 



1855. 

 Pollock, A., Medicinal plants, II, 1873. 

 Polsdorff, see Wiegmann. 

 Polyembryony, Braun, II, 1861 ; Stras- 



burger, II, 1879. 

 Polynesia, I, 1853, '59; Thymeleae, I, 



1865. 

 Polypetalae, I, 1887, '88; nomenclature, 



I, 1879. 



Pomaceae, Decaisne. II, 1875. 

 Pomology, Enenth,II, 1880. 

 Porto Rico plants, II, 1884. 

 Potamogeton crispus, I, 1860. • 

 Potato, sweet, I, 1878; wild, I, 1856; 



rot, I, 1875. 

 Potentillae, Lehmann, II, 1857. 

 Prantl, inuline, II, 1872. 

 Presl, III, 1853. 



Primaeval vegetation, see palaeontology. 

 Primulaceae, Masters, II, 1878; Scott, 



II, 1865; Van Tieghem, II, 1872. 

 Pringsheim, II, 1858; Algae, II, 1856; 



Jahrbucher, II, 1858. 



Prior, R. C. A., names of British plants, 

 II, 1864, '71, '80. 



Pritzel, G. A., Ill, 1875; index, II, 

 1855, '70; Thesaurus, II, 1852. 



Prodromus, Planchon, II, 1887 ; see De- 

 Candolle. 



Proserpina, Ruskin, II, 1875. 



Prothallus, asexual growth from, Far- 

 low, II, 1874. 



Provancher, Flore Canadienne, II, 1863. 



Providence, does nature forbid? I, 1878. 



Pseudocentrum, Jameson, II, 1858. 



Pteris Cretica, asexual growth of pro- 

 thallus, II, 1874. 



Purkinje, J. E., Ill, 1870. 



Purpose of plant-creation, I, 1856. 



Pursh, Journal, II, 1870. 



Pyroleae, Lange, II, 1870. 



Pyrus, Decaisne, II, 1872. 



Rabenhorst, III, 1882, '84; Kryptoga- 

 men -flora. Limpricht, II, 1885. 



Radicle-ism,' I, 1864. 



Radlkofer, embryo, II, 1856; fecunda- 

 tion, II, 1858; Serjania, II, 1875, '87. 



Rafflesiaceae, Weddell, II, 1852. 



