Z09 
ledges. Neither this species nor the pink wood-sorrel (OQ. mon- 
fana) of northern woods has as yet succeeded. 
NOMENCLATURE AND REFERENCES 
The names used in this Guide are those of the seventh edition 
of Gray’s Manual; for additional information on the vegetation of 
the New York region the following works should be consulted : 
3ritton & Brown, Jllustrated Flora of the Northern United States 
and Canada. 1913. 
Gleason, H. A., Plants of the Vicinity of New York. 1935. 
Mathews, Schuyler, Field Book of American Wild Flowers. 1927. 
Taylor, Norman, Flora of the Vicinity of New York. Memoirs of 
the New York Botanical Garden, Vol. V. 1915. 
Bulletin of the Torrey Botanical Club (earlier volumes), and Tor- 
reva (seriatim ). 
Rhodora, Bulletin of the New England Botanical Club (seriatim). 
Notre: The author’s special thanks are due to Miss Hester M. 
Rusk for assistance in preparation of manuscript, and data sup- 
plied. 
