1915| Deane,— A Salt Marsh during Reclamation 211 
floating in the fall. The inflorescence is from the end of the long stems 
and not from the young fresh growth that I collected on May 1.” 
On May 26, the plants were still in flower, but on May 31 the flowers 
had disappeared. I was unable to ascertain whether the plants fruit 
freely, but I have no doubt that they do, as I have perfect fruit se- 
cured near by, in a mud hole by Fresh Pond in the middle of July, as 
the plants were beginning to disintegrate. 
On July 29, I note the gradual disappearance of the Potamogeton. 
“The Pondweed has gone below the surface for the most part, for I 
walked a good distance on the river bank and could see but little, and 
that was just beneath the surface of the water." On August 27, the 
following note was made, “when I first visited the marsh in the middle 
of July the broad band of P. crispus, that lined the margin of the river 
a few feet from the bank, was floating just below the surface and was 
quite visible. The plants are now disappearing and but little can be 
seen here and there." I think that the mass of floating plants sinks 
out of sight and remains through the winter at some depth, rising 
again in spring, the large portion of the plants disintegrating, and fresh 
shoots on them, that were observed in the spring of the previous year, 
flowering and continuing the growth. 
During September and October, 1912 and 1913, broken, decaying 
masses of the plant were seen floating here and there along the shore 
and in the mouths of the ditches. 
Potamogeton dimorphus Raf. Several plants in a cove at the south 
end. 
Naas flexilis (Willd.) Rostk. & Schmidt. Very abundant in ditches 
and off shore. 
Triglochin maritima L. Abundant over the marsh. 
Sagittaria latifolia Willd. Fairly abundant in a ditch at the south 
end. 
Sagittaria latifolia Willd., forma obtusa (Muhl.) Robinson. With 
the type, also large plants in a ditch at the west end, and mouth of 
ditch on the east side. 
Sagittaria latifolia Willd., forma hastata (Pursh) Robinson. A num- 
ber of plants in a ditch with the type. 
Sagittaria latifolia Willd., forma gracilis (Pursh) Robinson. A few 
plan:s along the river margin. 
Alisma Plantago-aquatica L. Finely developed plants at the mouth 
of a ditch close to the river. Flowering plants, August 16, early state 
with floating leaves September 12 and October 5. 
