257 



Potron, [Maurice]. Eiiiploi des re- 

 actions chimiques dans I'etude du genre 

 Rtissufa. Paris Bui. soc. ravcol. 26 1910 

 (327-329). [7700 0090].' 605G7 



Potter, M[ichael] C[resse]. Ueber eine 

 Methode, p:irasitiire Krankheiten bei 

 Pflanzen zu bekiiinpfen. Centralbl. 

 Bakt. Jena Abi, 2 23 1909 (379-384). 

 [4350 4050 3100 3120]. 60568 



Presidential address : Bac- 



teria in their relation to plant pathology. 

 Worcester Trans. Brit. M^'c. Soc. 3 

 1909 1910 (150-168 pi. 10). [4050 

 7700]. 60509 



Bakterien und ihre Bezie- 



hungen zur Pflanzenpathologie. Cen- 

 tralbl. Bakt. Jena Abt. 2 28 1910 (624- 

 640). [7700 4050]. 60570 



A brief review of bac- 



teriological research in phytopathology. 

 Sci. Progr. London 4 1910 (191-212 

 1 pi.). [0010 4050 7700]. 60571 



[Pouget, I. und Sufiak, D.] IIyH<e, II. 

 H lUymaKT,, JX. U norjiou;eHiii pacre- 



HiflMII (}30C(t)0pH0tt KHCIOTLI HBTj paC- 



TBopoBT.. [Ueber die Aufnahme der 

 Phosphorsaure dnrch die Pflanze.] 

 Journ. exp. Landw. St. Peterburg 11 

 1910 (825-830 deutsch. Res. 830-831). 

 [3060]. 60572 



Pougnet. Action des rayons ultra- 

 violets sur les plantes a cou marine et 

 quelques plantes dont I'odeur provient 

 de glucosides d^doubles. Paris C. R. 

 Acad. sci. 151 1910 (566-568). [3200]. 



60573 



Power, Frederick Belding and Moore, 

 Charles Watson] The constituents of 

 colocj'nth[Ciir((^/«8Co/oc!/7i^/i(8,Schrad.]. 

 London J. Cheni. Soc. 97 1910 (99- 

 110). [1560 3100 3130 5400]. 60574 



The constituents of the 



leaves of FriDius acrotiiia. London J. 

 Chera. Soc. 97 1910 (1099-1112). 

 [1060 3130 5400]. 60575 



and Rogerson, Harold. 



The constituents of Leptandra [Veroriica 

 virginica]. London J. Cliem. Soc. 97 

 1910 (1944-1956). [3130 5400]. 60576 



Pozniczek. Versuche iiber Mause- und 

 Hamsterbekampfung. Hess, landw. Zs. 

 Darmstadt 80 1910 (633). [4350 4100]. 



60577 



Praeger, R[obert] Lloyd [Sec.]. 

 Clare Island. Report of the Committee. 

 London Rep. Brit. Ass. 1909 [1910] 

 (321). [0020]. 60578 



The study of native vege- 



tation. Belfast Proc. N. F. Club Ser. 2 

 6 part 3 1909-1910 (297). [8000 de]. 



60579 



Geasiter rufeacens in 



County Waterford. Irish Nat. Dublin 

 19 1910 (11). [8000 de]. 60580 



Erica Machaii (?) in Done- 

 gal. Irish Nat. Dublin 19 1910 (48). 

 [8000 de]. 60581 



Phanerogams and Vascular 



Cryptogams [observed in West Donegal 

 during the excursion of the Irish Field 

 Club Union, July, 1910]. Irish Nat. 

 Dublin 19 1910 (188-192). [8000 de]. 



60582 



■ A list of the writings of 



S. A. Stewart. Irish Nat. Dublin 19 1910 

 (207-209). [0032]. 60583 



■ The wild flowers of the west 



of Ireland and their history. London 

 J. R. Hort. Soc. 36 1910 (299-306 figs. 

 106-109). [0010 8000 rfe]. 60584 



V. Colgan, W.; Waddell, 



C. H. 



Prain, David. Presidential address [on 

 the study of systematic botany.] London 

 Rep. Brit. Ass. 1909 [1910] (652-662). 

 [0040 0050 5000J. 60585. 



V. Massee, G. 



Hooker's Icones plantarunr 



. . . Fourth series, Vol. 10 (or Vol. 

 30 of the entire work) part 1. [Asiatic 

 species of Impatieua, mostly new, 

 described by Sir J. D. Hooker.] London 

 (Dulan & Co.) 1910 (tt. 2901-2925). 2L. 

 cm. [5400 8000 e]. 60586' 



Prankerd, Miss T[heodora] L. The:^ 

 statolith theory of geoperception inr 

 plants. Croydon Proc. Micr. N. H. CI. 

 1910 (xxvii figs.). [3180]. 60586a 



[Prazdnikov, A. A., Sborovskij, N. A., 

 Schuman, N. K.] IlpaaAUHKOBi., A. A., 

 CGopoBCKlri, H. A.i llIyMaH-i, H. K" 

 HapuMCKifi Kpaii. CBOflKa OTHeTHuxi. 

 AaHHuxt no oOciliAUBaHlK) Bt 1908- 

 1909 r.r. HiiHasiii ToMCKort llepeceJieH- 

 iiecKOii opraHiisanin .TfeBoGepeiKHott- 

 no OOn-qacTii HapuMCKaro npaa. [Das 

 Naiym-Land. Bericht iiber die in den J. 

 1908-1909 von den Beamten der Ueber- 

 siedelungs-Organisation des Gouv. 



