241 



Town Ann. Trans. Mus. 3 1912 {2U pi. 

 XIII). 0020 0060 5400]. 7.1420 



Potter, Howard Vincent v. Umney, 

 J. C. . 



Potter, M[icliael] C[resse]. Bacterial 

 diseases of plants. London Rep. Brit. 

 Ass. 1911 [1912] (601-G02); J. 

 Agric. Sci. Cambridge 4 1912 (323-337). 

 [4050 7700]. 74421 



[Pouget I. und Susak, D.] ITyjKC, 

 II. II Ulyiiiai;!,, JX. B.iifliiie koh- 

 HenTpau,iri iiiiTaTe.ibiibix'b paciBO- 

 poBT> na iixt noiMomeiiie pacTenieMT). 

 [Der Eintluss der Concentrationen der 

 Kjihrlosungen auf ihre Absorption durrh 

 die Pflanze.] J. exp. Landw. St. 

 Peterburg 13 1912 (823-828 deutscli. 

 Res. 828-829 mit 3 fig.); Paris C. R. 

 Acad. sci. 154 1912 (1709-1711). [3040 

 3060J. 74422 



Sur la loi du minimum. 



Paris C. R. Acad. sci. 155 1912 (303- 

 306). [3060]. 74)23 



Pouget, Jean. Action des rayons 

 Tiltraviolets sur la germination des 

 gi-aines. Paris C. R. ass. franc, avanc. 

 sci. 40 (Dijon) 1911 (475-477). [3750 

 3200]. 74424 



Praeger, R[obert] Lloyd. Plants from 

 Western Ireland. Irish Nat. Dublin 21 

 1912 (26 1. [8000 del 74425 



West Mayo plants Irish 



Nat. Dublin 21 1912 (27). [8000 de]. 



74426 



The Survey of Clare 



Island. Report of progress during 1911. 

 Irish Nat. Dublin 21 1912 (39-41). 

 [0020 8000 cZc]. 74427 



The International Phyto- 



geographical Excursion of August, 1911. 

 Irish Nat. Dublin 21 1912 (42-44). 

 [0020 8000 Je]. 74428 



Morchella conica in 



Donegal. Irish Nat. Dublin 21 1912 

 (103). [8000 dc]. 74429 



Irish jDlants collected on 



the International Excursion of 1911. 

 Irish Nat. Dublin 21 1912 (136). [8000 

 del 74430 



Mattldola sinuata at 



Ballyvaughan [Co. Clare]. Irish Nat. 

 Dubhn 21 1912 (153). [8000 del 74431 



Occurrence of Asplenium 



septcntrionale in Co. Down. Irish Xat. 

 Dublin 21 1912 (154). [8000 del 74432 



Praeger, R[obert] Lloyd. Notes on 

 the flora of the Blaskets. Irish Nat. 

 Dublin 21 1912 (157-16.3;. [5000 

 8000 del 74433 



Irish plants. Irish Nat. 



Dublin 21 1912 (179). [8000 del 74434 



• A not > on t!ie Ro' 6 ■ son'iin 



Saxifrages. Irish Nat. Dublin 21 1912 

 (205-206). [5400 8000 A-] 74135 



Clare Island. Report of 



the Committee. London Rep. Brit. Ass. 

 1911 [1912] (176). [0020] 74436 



William llenrv Harvey, 



1811-1860. In : Oliver F. W., Makers 

 of British Botanv. (204-234 pi. 17). 

 [0010]. " 74437 



Prain, Sir D[avid]. [Description of 

 CJiironia laxa, Cilg.] Bot. Mag. London 

 133 1912 (8455). [5400]. 74438 



The genus TannoUa 



Baill [n. comb.]. J. Bot. London 50 

 1912(125-128). [5100 8000 /]. 74439 



Presidential address : 



botanical bye-paths. [History of indigo 

 and hemp cultivation.] S. E. Nat. 

 London 1912 (1-15). [0010]. 74140 



V. Brown, N. E. 



Prankerd, Miss Theodora L. On the 

 structure of the palaeozoic seed Lageno- 

 stoma ovoides, Will. London J. Linn. 

 Soc. 40 1912 (461-490 pi. 22-24 and 3 



text-figs.). [1560 2450 66001]. 74441 



Pratolongo, U. Sulle cause del 

 potei'e assorbente del terreno. (Studi 

 fisicochimici del terreno.) Modena Staz. 

 sper. agr. ital. 45 1912 (5-54). [3040]. 



74442 



Prazmowski, Adam. Die Eutvvick- 

 lungsgeschichte. Morphologic und 

 Cytologic des Azotohacter ehrooeoccnm 

 Beijer. Vorl. Mitt. Centralbl. Bakt. 

 Jena Abt. 2 33 1912 (292-305). [7700 

 2640 3180]. 74443 



Preda, Agilulfo. Cousiderazioni sugli 

 ageuti che presiedono airalluugainento 

 del picciolo nelle foglie galleggianti 

 delle ninfeacee e di altre piante acqua- 

 tiche. Firenze Bull. Soc. bot. ital. 1912 

 (34-42). [3160]. 74444 



Da quale epoca il Neriuin 



Oleander L. e il liosmarinus oMcinalis 

 L. non esistono piu alio stato spoutaneo 

 nella regione delle cinque terre? 

 Firenze Bull. Soc. bot. ital. 1912 (54-57). 



r:-,r.,. OAA^ J,.n • 74445 



[5400 8000 dhl 



