242 



Nat., Dublin, 15, 190(1, (188). [6000 

 8000 del 33687 



Praeger, Robert Lloyd. Some plants 

 in the south-east of Ii-eland. Irish Nat., 

 Dulilin, 15, 1906, (189). [8000 de]. 



33688 



On the botany oi Lough 



Carra. Irish Nat., Dublin, 15, 1906, 

 (207-211). [8000 cZc 3200]. 33689 



Algae and the calcareous 



deposit in Lougli Carra. Irish Nat., 

 Dublin, 15, 1906, (2.32). [7400 8000 de]. 



33690 



Notes of a ramble in 



Western Ireland. Irish Nat., Dublin, 

 15. 1906, (257-266). [5000 8000 dc 

 3200J. 3369 1 



Representation of .geogra- 

 phical distribution. J. Bot., London, 

 44,1906, ( 128-1.30, figs. 1-2). [0090]. 



33692 



Prain, David. A review of the genera 



Mecoiw[:sis and CntJicartia. Aim. Bot., 



Oxford, 20, 1906, (323-370, pis. 24-25). 



[0010 1000 5400 0070 8000 e6]. 



33693 



■ The genus Ceratostigma. 



[Revised, spp. n.] J. Bot., London, 44, 

 1906, (4-8). [5 100] 33694 



Botanical work of Charles 



Baron Clarke. [01)ituarv notice.] J. 

 Bot., London, 44, 1906,(370-375). With 

 portrait. [OOIOJ. 33695 



Prantschoff, A. r. Kraus, and Forges, 

 0. 



Preda, AgiUdfo. Prinio contributo 

 alia Flora algologioa del golfo di Spezia. 

 Floridee. Malpighia, Cenova, 18, 1904, 

 (76-93). [7400 9300]. 33696 



Bibliografia algologica per 



la " Flora italica cryptogama." Rocca 

 8. Caxiano, (Capelli), 1905, (41). 24 

 cm. [7400 0030]. 33697 



[Preis, 0. Ch.] Ilpeiici., O. X. IIii- 

 ceKTHCH/i;ij ittopiKa Tpiof|i(|)o. [Das 

 Insecticid von Georges TriiiTeaut.] 

 Vest. ObSc. sadov., St. PeterburQ;, 47, 

 1906, (82-84). [4350]. 33698 



Pretto (De), Olinto. Ii3otesi dell'etere 

 nella vita deU'Universo. Venezia 

 (Ferrari), 1904, (78). 24 cm. [0000]. 



33699 



Preuss, Hans. Vorarbeit zu einer 

 Flora der Frischen Nehrung. Danzig, 

 Ber. bot.-zool. Ver., 28, 1906, (13-21). 

 [8000 dc]. 33700 



Preuss, Hans. Zur Flora der Kreise 

 Konitz und Tuchel. Konigsberg, 

 Jahresber. bot. Ver., 1905-1906, 1906, 

 (14-21). [8000 dc]. 33701 



Botanische Untersucliun- 



gen im Kreise Lobau ostlich der 

 Drewenz. (Schluss.) Konigsberg, 

 Schr. physik. Ges., 46 (1905), 1906,(68- 

 73). [8000 dc]. 33702 



Die Vegetationsverhiilt- 



nisseder Frischen Nehrung westpreussi- 

 sclien Anteils. Danzig (Druck v. A. W. 

 Kafemann), 1906, (VllI + .58, rait 1 

 Karte). 24 cm. 4,60 M. [8000 do 

 3200]. 33703 



[Prianisnikov, 1). N.] llpaiiHUiim- 

 KOB'h, Jl. H. ri3i> peayjibTaTOBi. Bere- 

 xau.ioHHux'b onbiTOB'b (1901-1903 it.) 

 [Ergebnisse der Vegetationsversuche. 

 IV." Bericht.] Moskva, Ann. Inst, 

 agron., 11, 1905,(155-219, deutsch. Res. 

 220 -221, mit 12 Taf.). [3060]. 33704 



Kt xapaKiepiicTHK't nme- 



ilHii,T, ToMCKOii ry6. [Zur Charakteri- 

 stik der Weizensorten des Gouv. Tomsk.] 

 Vest, selisk. clioz., Moskva, 7, 2, 3, 

 1906, (5-8, 10-13). [6000 8000 eaa]. 



33705 



Zur Frage iiber den rela- 



tiven Wert verschiedener Phosphate. 

 (II. Mitteilung). Landw. Versuchstat, 

 Berlin, 65, 1906, (23-54, mit 9 Taf.). 

 [.3060]. 33706 



Pribram, E. v. Kraus, Rudolf. 



Pribram, Hugo. Ueber die Eigen- 

 schaften des Ebertli-Gaffkyschen Bazil- 

 lus. Zs. Hvg., Leipzig, 54, 1906, (17- 

 3S). [77001. 33707 



Price, T[liomas] M[alcolni]. Enzymes 

 in cornstalks and their relation to corn- 

 stalk disease. [With bibliography.] 

 [Reprint.] Washington, D.C., U. S. 

 Dept. Agric, Bur. Anini. Ind., Cir., No. 

 84, 1905, (66-75). 22 cm. [3120]. 



33708 



Priestley, J. H. i\ Usher, Francis L. 



Prillieux. Sur la dehiscence des peri- 

 theces du RoselUnia necatrix. Paris, 

 Bui. soc. mycol, 20, 1904, (34-38). 

 [1660 7700 3280]. 33709 



Pringsheim, Ernst. Wasserbewegung 

 und Turgorregulation in welkenden 

 PHanzen. Jahrb wiss. Bot., Leipzig, 

 43, 1906, (89-144). [3040 3200]. 



33710 



