[Reprinted from Ruopora, Vol. 19, No. 224, August, 1917,] 
ISSUED 
SEP 101917 
CONTRIBUTIONS FROM THE GRAY HERBARIUM 
OF HARVARD UNIVERSITY. 
New Serties.— No. L. 
Some Polygonums new to North America. 
II. New or critical Species or Varieties of Ranunculus. 
III. Some Color-Forms of American Anemones. 
IV. New Species, Varieties and Forms of Saxifraga. 
V. A new Vitis from New England. 
VI. Gentiana clausa a valid Species. 
VII. Some Forms of American Gentians. 
Some new or critical Plants of Eastern North America. 
Lm 
M. L. Fernatp. 
