257 
Macoun, J. M. Contributions to Canadian Botany. Can. Rec. Sci. 
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Macoun, J. M. Sisymbrium altissimum L. Bull. Torr. Bot. Club, 
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Macoun. W. T. List of native Trees and Shrubs growing at the 
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Morgan, A. P. Lichens the only ‘‘Thallophytes.”” Bot. Gaz. 21: 
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Nash, G. V. Noteson some Florida Plants.—II.; III. Bull. Torr. Bot. 
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New species in Sabai, Habenaria, Warea, Sida, Cornus, Verbena, Scoparia 
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_ Native of South America. . 
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New species in Ustilago, Puccinia, Exobasidium, Asterella, Asteridium , 
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A forestry study 
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Describes Phaseolus smilacifolius new. 
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Replaces the name by 2. Allegheniensis. 
