_ Contributions from the Herbarium of Columbia 
No, 29, 
No. 30, . 
No. 31, 
No. 33, 
No. 34. 
No. 35, 
College. 
{The numbers omitted from this list are out’ of print. } 
A List of Plants Collected by Miss Mary B. Croft at San Diego, Texas. By 
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New or Noteworthy North American Phanerogams. By N. L. Britton 
feed Rae eran ey plas NES ee 
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Preliminary Notes on the North American Species of the Genus 7Zssa, 
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Suse IO ; uly ine, _. 25 cents. 
A List of State and Local Floras of the United States and British ~~ 
) rr 
A Descriptive List of Species of the Genus Heuchera. By Wm. E. Wheel- - 
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New or Noteworthy North American Phanerogams, III. By N. L. ches 
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Notes on the North American Species of Eriocaulez. .By Thos. Morong 
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Review of the North American Species of the Genus Xyris. By Heinrich 
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America. By N. L. Britton (1892),. . . . as . . 25 cents. 
Note on a Collection of Tertiary Fossil Plants from Potosi, Bolivia. By N. 
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The Anatomy of the Stem of Wistaria Sinensis. By Carltcn C. Curtis 
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Ranunculus repens and its Eastern North American Allies. By N. L. 
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