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De I'unification des methodes de culture pour la determination des Mucedinees et 

 des levures. 



9 pp. Lons-le-Saunier, 1900. 



Lutz, O. , . , ^ . , 1 • • 



Ueber den einfluss gebrauchter ntihrlosungen auf keimung und entwicklung einiger 



schimmelpilze. Diss. 



47 pp. Halle, 1909. 



Luyken, Joan Albertus. 



Tentamen historiae lichenum in genere. Diss. 

 102 pp. Gottingae, [1809.]* 



Luzsiczky, Anton. 



De vita plantarum. Diss. 



45 pp. Vindobonae, 1842. 



Luzuriaga y Aguirre, F. 



Elementos de botanica. 



108 pp. Oviedo, 1906. 



Lyell, Mrs. Henry, ed. 



Life of C. J. F. Bunbury. 



Vol. 1, 371 pp. London, 1906. AC-B 942 

 2, 411 pp. London, 1906. AC-B 942 



Lyell, Mrs. Katherine Murray, 



A geographical handbook of all known ferns. 

 225 pp. London, 1870. HB-L 984 



Lyngbye, Hansen Christian. 



Tentamen Hydrophytologiae Danicae. 



248 pp. Havniae, 1819. HFq-L 988 

 70 pis. Havniae, 1819. HFq-L 988 



Lyon, P. 



A treatise on the physiology and pathology of trees. 

 182 pp. 1 pi. Edinburgh, 1816. JH-L 991 



Lyons, A. B. 



Plant names scientific and popular. 



469 pp. Detroit, 1900. AF-L 991 

 469 pp. Detroit, 1903. 

 2 ed. 639 pp. Detroit, 1907. AF-L 991 



Lyons, John Charles. 



A catalogue of the Orchidaceous plants at Ladiston. 

 Dublin, 1845. 



Lyttkens, A. 



Svenska vaxtnamn. 



Heft 1, 168 pp. Stockholm, 1904. 

 2,4-320 pp. Stockholm, 1905. 

 3,+520 pp. ' Stockholm, 1906. 



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