70 Rhodora [ MARCH 
Trifolium hybridum, L. Roadsides, North Brookfield, June 18, 
New Braintree and Athol, July 2. 
Carum Carut, L. Brookfield, May 30. 
Clethra alnifolia, L. About ponds, lakes, and rivers, Sturbridge 
and Brookfield. Though quite common in Worcester County, this 
plant probably reaches its inland limit in the Amherst region. 
Bidens Beckit, Torr. Quaboag Lake, Brookfield, September 4. 
(Shown to me by Dr. G. E. Stone.) All the specimens seen were 
sterile. 
COLUMBIA UNIVERSITY. 
PoLYMNIA CANADENSIS IN VERMONT. — In the sixth edition of Gray's 
Manual Polymnia Canadensis, L., is reported from Western Vermont 
and Connecticut, while in the Illustrated Flora western Ontario, is 
assigned as the eastern limit of the plant. Diligent inquiry regarding 
the station in Vermont, failed to show upon what foundation the re- 
port in Gray's Manual rested. Fortunately, however, the occurrence 
of the species within the state was settled last August, by the discovery 
of a fine station at the base of limestone cliffs at Double Road Cross- 
ing, plants being found both in Rutland and Proctor at points fully 
half a mile apart. — WitLLARD W. EcGLESTON, Rutland, Vermont. 
AN UNUSUAL FORM OF DROSERA INTERMEDIA, 
VAR AMERICANA. 
J. R. CHURCHILL. 
(Plate r5, fig. 8.) 
ALONG the northern shore of Ponkapog Pond, in Canton and 
Randolph, Massachusetts, stretches an extensive bog. Almost in- 
accessible from the land side, towards the pond it becomes muddy, 
rotten, and partially submerged, indeed, a veritable morass. I have 
approached it by boat, and, under favorable conditions, have occasion- 
ally ventured upon it to collect the aquatic and amphibious plants 
which find a congenial home in such a place. Scheuchzeria is very 
abundant, and I have never happened to find the pretty Mud Sedge 
( Carex limosa, L.) at any other station near Boston. There are Pitcher- 
plants, Utricularias and Sundews, of course ; but a little colony of long- 
