FERGUSON: CONTRIBUTIONS TO FLORA OF LONG ISLAND 189 
Malaxis unifolia Michx. Montauk Point. Open swampy 
meadow. Two plants. 
Rich woods north of Wyandanch. 
One plant. 
Rich woods northeast of Wyan- 
danch. One plant. 
BETULACEAE. Birch Family 
Betula lutea Michx. f. Cold Spring Harbor. Several trees 
both sides of ponds. 
Betula papyrifera Marsh Wading River. Coram. Shown 
these trees by Mr. E. S. Miller. 
Millneck. Rich woods. Single 
tree. 
ULMACEAE. Elm Family 
Ulmus americanus L. Growing as dominant tree in 
extensive woods at Trains Mead- 
ows south of North Beach and 
north of Woodside. Associated 
with Quercus bicolor and Acer 
rubrum, both abundant and 
Fraxinus pennsylvanica occa- 
sional, 
Very wet woods. Unquestionably 
native. The writer has also 
observed it in woods at Kissena 
Flushing and scattered through 
Long Island, in such cases 
difficult to decide whether native 
or introduced. 
ARISTOLOCHIACEAE. Birthwort Family 
Asarum reflexum Bicknell Rich woods northeast of Wood- 
Southeast of North Beach. Single 
station to which the writer was 
taken by Mr. Edward N. E. 
Klein of College Point who had 
collected it years ago. 
