120 Rhodora [JuLy 
which, like the Great Swamp, is largely at the same level throughout. 
Thus the one hundred foot contour line marks in general the strictly 
swampy area, and Worden’s Pond, which drains the swamp, is only 
ninety four feet above sea level, so that there is a dip of less than ten 
feet from north to south. There are, however, certain features which 
aid us in the matter. There are at least two important streams which 
pass through the swamp, the Chipuxet river, and the Shickasheen 
immediately west of the main railroad. This gives two different types 
of water areas viz. running and semi-stagnant, which of course merge 
imperceptibly into one another. A third type includes the two ponds, 
Worden’s and Larkin’s, which have a flora different in certain ways 
from either of the other two types. The temperature of the water was 
noticeably warmer in the swamp than along the river courses. Cer- 
tain plants, though included in the swamp area, show a decided 
tendency to seek the drier portions, such as Lespedeza frutescens and 
Rhexia Virginica. The latter of these seemed to grow more luxuri- 
antly, as a rule, in the wetter situations though the individuals were 
markedly fewer in number than in drier places. On the other hand 
many plants were decidedly attracted to the free water courses. A 
few such plants were Lobelia cardinalis, Lycopus Virginicus and 
notably Bidens laevis. The latter grew so abundantly along the 
streams of colder water that its dark foliage clearly marked them. 
The majority of the plants grow between the higher land and the 
rivers, seeming to prefer the open sunny places. The Droseras are 
in the less soggy parts and grow oftentimes on the dead Sphagnum. 
Sarracenia purpurea, Xyris caroliniana and X. flexuosa as well as a 
host of others inhabit these localities. 
It is an interesting matter to find that, even in this formation, which 
is usually supposed to be especially favorable to monocotyledonous 
plants, aside from Carex the number of species is only about a third 
of the total number of Phanerogams found in the swamp. Hence 
veven in the most favorable locations the Monocotyledons are outnum- 
bered more than two to one. A large part of the swamp is heavily 
wooded. This is especially true of the area included between the 
Chipuxet River and the easternmost hill already mentioned. Here 
the deciduous trees predominate, though there are several groves of 
evergreens also. Rhododendron maximum grows in great luxuriance 
in this portion of the swamp. 
In the following list of plants collected in the Great Swamp during 
