60 



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Birdwood, n[erbert] M[ills]. The 

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 1903, (598-599). [8000 ef]. 17440 



Birge, E[d\vard] A[6alieij. The ther- 

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 The annual address of the president. 

 Trans. Amer. Microsc. Soc, Lancaster, 

 Pa., 25, 1904, (5-33, with 2 pi.). [9000]. 



17441 



Birg-er, Selim. Vegetationen ocli 

 floran i Pajala socken med Muonio 

 kapelJag i arktiska Norrbotten. [The 

 vegetation and flora of the parish of 

 Pajala and the chaplainship of Muonio 

 in arctic Norrbotteu.] Ark. Bot., Stock- 

 holm,3, 4, 1904, (117, with pi. and maps). 

 [8000 da]. ^ 17442 



[Birkenmajerowa, Zofia, Magierowski, 

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 zenia pojawow w swiecie roslinnym i 

 zwierz^cjm w rokii 1901. [Observa- 

 tions des phenomenes j^henologiqnes 

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 [3650 38001. 17443 



Bitter, Georg. Peltigeren-Studien. 

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17444 



_ Ileteromor^^hie der Stamino- 



dien an den beiden Bliitenformen der Sal- 

 via Jjaiimgort en i Griseb. Berlin, Ber. D. 

 bot. Ges., 22, 1004, (449-453). [1500 

 2240 32 JO 5400 4410]. 17415 



ZurSoredienbildung. Hed- 



wigia, Dresden, 43, 1904, (274-280). 

 [7400 23f;0 3600]. 17J46 



Dichroismus und Pleo- 



chroismus als Passencharaktere. [In : 

 Festschrift fiir P. Ascherson.] Berlin 

 (Gebr. Borntraegerj, 1904, (158-167). 

 [1500 3550 ^OlOJ. 17417 



Bjorkenheim, C. G. Beitriige zur 

 Kenntnis des Pilzes in den Wurzel- 

 anschwellungen von Almis incana. Zs. 

 Pflanzenkrankh., Stuttgart, 14, 1904, 

 (129-133, mit 1 Taf.). [7700 4300 

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Blackman, F[rederick] F[rost]. Eesi- 

 dual vitality : an outline sketch of our 

 knowledge of the physiology of the sub- 

 normal cell. X. Phytol., London, 3> 

 1904, (33-39). [2040]. 1744i>. 



• Chromatic adaptation ; 



facts and theories concerning the adapta- 

 tions of plants to differences of illumina- 

 tion. X. Phvtok, London, 3, 1904, 

 (237-242). [3200]. 17450 



Blackman, Vernon H[erbert]. On the- 

 fertilization, alternation of generations,. 

 and general cvtology of the Uredinea?^ 

 Ann. Bot., Oxford, 18, 1904, (323-373, 

 pi. 21-24); X. Phytol., London, 3, 1904,. 

 (23-27). [1750 2640 3500 7700]. 



17451 



■ The cell. Ealing, Rep. 



Miciosc. Soc, 1900-1901, (1901), (18- 

 20). [2640]. 17452- 



Xitroo;en metabolism on' 



land and in the sea. X'. Phytol., Lon- 

 don, 3, 1904, (125-129). [3060 3120]. 



17454 

 ■ On the relation of fertilisa- 

 tion, " apogamv," and " parthenogenesis."" 

 X. Phvtol., London, 3, 1904, (149-158). 

 [3500 ' 3600]. 17455 



Blaikie, J[ohn]. Report of the- 

 Botanical Section. Stone, Rep. X. Staffs 

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Blakeslee, Albert Francis. Sexual 

 reproduction in the Mucorineae [with 

 bibliograiDhy]. Cambridge, Mass.,Cont. 

 Cryptog. Lab. Harvard Univ., Xo. 58 ; 

 in Boston, ]\Iass., Proc. Amer. Acad. 

 Arts Sci., 40, 1904, (203-321. with pi.). 

 Separate. 24.3 cm. [2340 3500 365^ 

 7700]. 17457 



Zygospore formation . a 



sexual process. Science, Xew York,. 

 X.Y., (X. Ser.), 19, 1904, (864-866).. 

 [2340 3500]. 17458- 



Blanc, Louis. Pro jet de cartographie 

 botanique. Geneve, Bui. Boissier, (Ser. 

 2), 2, 1902, (24-34). [8000]. 17459- 



Les Isakis (Diospyros).. 



Tiausanne, Journ. Soc. Ilortic Vaud, 

 34,1901,(49-51). [5400]. 17460- 



Blankinship, J. W. Weeds of ^Mon- 

 tana. Agric. Exp. Sta., Montana, Boze- 

 man. Bull. Xo. 30, 1901, (70, with 21 

 fig.); [review] Washington, D.C., U. S. 

 Dept. Agric. Off. Exp. Sta. Rec, 13,. 

 1902, (658). [8000 cji\. 17461 



