41 
Polkinghorne, B. C. See Grinling, C. H., & others. 1909. 
Potonié, Henry. Paliobot. Nomenklatur. See Brussels. III. 
Congrés de Bot. 1910. 
Praeger, Robert Lloyd. See Stewart, 8. A., & R. L. P. 
Priestley, Joseph Hubert. The effect of — upon plants. 
(Bristol Nat. Soc. Proc. 4, i.) (Bristol, 1907.) 8vo 
Author. 
Primrose and Darwinism, The. By a Field Naturalist, M.A, Camb. 
London, 1°02. 8vo : 
Raeuschel, Ernest Adolf. Nomenclator botanicus, omnes plantas 
ab ill. C. a LINNE descriptas . ... enumerans, Ed. 3. Lipsiae, 1797. 
Svo 
Ramirez, José. Estudios de hiitoria natural. Mexico, 1904. 
la. 8vo. 
Inst. Méd, Nac., Mexico. 
Rechinger, Karl. Botanische und zoologische Ergebnisse einer 
wissenschaftlichen Forschungsreise nach den Samoa age em 
Neuguinea-Archipel und den Salomonsinseln . 1905. -iii. | 
Teil. (Denkschr. Akad. Wien, Ixxxi-Ixxxv.) Wien, 197-10. 
4to. 
Author. 
Reinbold, Theodor. Die Chlorophyceen (Griintange) der Kicle 
Fohrde. _, (Cent naturw. Ver. Schleswig-Holstein, viii.) [Kiel, 
1889.] 
Author. 
Rendle, Alfred Barton. See Fawcett, W., & A. B. R. 1910. 
Reynolds, J. Emerson. Recent advances in our knowledge of 
Silicon and of its relations to organised structures. (Roy. Inst. Great 
Brit., May 28, 1909.) (London, 1909.) S8vo a 
uthor. 
Ricca, Ubaldo. Movimenti d’irritazione delle piante. (Reprinted, 
with continuation, from Malpighia, xxii.) Milano, 1910. 8vo. 
Ridley, Henry Nicholas, & E. Mathieu. Facts about Ramie. (Re- 
printed from the Straits Times.) Singapore, [s.a.] 4to. 
Romell, Lars. See Aftonbladet & Dagen. 1909. 
Ronniger, Karl. See Schinz, HB, 1910. 
Roth, Georg. Die aussereuropilischen Laubmoose, beschrieben und 
B 
gezeichnet von G. R. Bd. i. Lieferung 1. Dresden, [1910-]. 
8vo. 
Rothamsted. The Rothamsted Experiments and the Rothamsted 
Me at See Lawes, Bart., Sir J. B., & Sir J. H. Gilbert. 
19414 D 
