Beyer, R. Ueher insekteiifressende 

 rflaiizen. Xatur ii. Kiiltuv, Miiiichen, 1, 

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Ueber die Verwendbar- 



keit des mit Pyridinbaseii denaturierten 

 A^piritus zum Pflauzeuvergiften. [In : 

 Festschrift fiir P. Ascherson.] Berlin 

 (Gebr. Bomtraeger), 1904, (240-247). 

 [0060]. 17417 



Bialkowski, [Wladyslaw]. Pozne 

 kwiaty. [Observations de la fioraison 

 attardie.] Wszechswiat, Warszawn, 23, 

 1904, (14). [3800 8000 dh]. 17418 



■ Rosliny gnintow wapien- 



aiych. [finiuneration des plantes cal- 

 cides.] Wszechswiat, Warszawa, 23, 

 1904, (15G-15S). [3200 SOOO dh]. 



17419 



Bickham, t?[pencer] l:I[enry]. Tri- 

 ^cUum repciis var. Touiisendn. J. Bot., 

 London, 42, 1904, (120). [8000 de]. 



17420 



Bicknell, Eugene P. Studies in 

 Sisijrincliium 10. The species of Cali- 

 fornia. New York, N.Y., Bull Ton-ev 

 Bot. CL, SI, 1904, (379-391). [6000 

 SOOOr/;]. 17421 



Three new violets from 



Long Island. Torreva, New York, 

 N.Y., 4, 1904, (129-132). [5400 



SOOOg'jl 17422 



Sisijrinchhim L. In : 



Small, J. K. Flora of the south-eastern 

 United States. New York, 1903, (293- 

 504). [6000J. 17423 



San'ieuln L. In : Smfvll, 



J. K. Flora of the south-eastern United 

 .States. New York, 1903, (S59-SG1). 

 £5400]. 17424 



Bidgood, John. Disease of the leaves 

 •of Cidiiiitlic. London, J. R. Hort. Soc, 

 29, 1904, (124-127;. [1150 4150 

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Shirley poppies [and al- 



binism], tlard. Chron., London, (Ser. 

 3\ 35, J 901, :404). [4600 5400]. 



1742G 



Bidwell, W. II. Presidential address 



i[the fran ranee of flowers]. Noi-wich, 



Trans. Nat. Soc, 7, 1902, (277-289). 



[0040 3240J. ■ 17427 



Note on the flowering of 



Biesiele, Ifax. Mikroskoplsche Prii- 

 fung der othziuellen Drogen nebst Er- 

 liiuternng der im Arzneibuche fiir das 

 deutsohe Reich vorkommenden botani- 

 schen Bezeichnungen. Regensburg (A. 

 Coppeurath), 190L (136). 18 cm. 2M. 

 [3120 1000 2000]. 17429 



Bielefeld, Rudolf. Das Forlitzer 

 Bec'ken. Geologisch-botaiiische Skizze, 

 Emden, Jahvesber. natf. Ges , 87 (1901- 

 1902), 1903, (49-65). [8000 (/c]. 17430 



Biffen, R[owland] H[arry]. ^Vhrat 

 breeding. Cambridge, Proc. Phil. Soc, 

 12, 1904, (279-282). [3550 4600 

 GOOO], 17431 



Experiments with wheat 



and barley hybrids illustrating Mendel's 

 laws and hybriditv. London, J. R. 

 Agric Soc, 65, 1901, (337-345). [3550 

 GOOO]. 1743/ 



On some facts in the life 



Kycterinia capensis. Norwich, Trans. 



Nat. Soc, 7, 1903, (582-583). [3180 



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(51- :2a) 



history of Acrospeira mh-abiliis (Berk, 

 and I5r.). Worcester, Trans. Brit. 

 MvcdI. So2., 1902, 1903, (17-25, pi. 2 . 

 [7703J. l'-l-^3 



Billings, Frederick II. A study of 

 TiUandsia iLsneoides. [With biblio- 

 graphy]. Bot. Gaz., Chicago, 111., Ui iv. 

 Chic , 38, 1904, (99-121, with 1 text iig. 

 and 4 pi.) [6000]. 1"^^^ 



Biltz, Wilhelm. Beitrage zur Theorio 

 des Farbevorganges. I. Mitt. Ueber 

 das Verhalten einiger anorganischer Col- 

 loide zur Faser. Berlin, Ber. D. cheni. 

 Ges., 37, 1£04, (176G-1775). [3120]. 



17435 



. . Ein Yersuch zur Deutu;ig 



der Agglutinierungsvorgange. Gott.n- 

 <^en, Nachr. Ges. Wiss., math-phys. 

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1 / 4.JU 



Bioletti, F. I. The phylloxera of the 

 vine. Agric. Exp. Sta., Califomni, 

 Berkeley, Bull. No. 131. 1901, (16, with 

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 1901,(372). [4100]. 37437 



• and TwigM, E. II. Er> 



nose of the vine. [Plnjloptii.^ Vitis]. 

 A"ric. Exp. Sta., California, Barkeley. 

 Bull. No. 136, 1991, (7, with 5 fig.); 

 [review] Washington, D.C., U. S. Dept. 

 Agric Off. Exr Sta. Rec, 13, 1902, 

 (768). [41 CO]. ' ■•'^38 



