258 BOTANICAL GAZETTE [arn 
ramosissimum Michx., [va ciliata Willd., Sporobolus heterolepi : 
Gray, Hordeum jubatum L.., Scirpus pungens Vahl., Panicum virge- 
tum L., Gaura parviflora Dougl., Ambrosia psilostachya DC. (abe 
dant), Glycyrrhiza lepidota Nutt. 
SEVENTH ZONE: The transition zone on the outer margin of 
the salt marsh proper where, beside occasional representatives — 
of most of the plants found in the inner zones, the following | 
plants are present: /va ciliata Willd., Sporobolus heterolepis Gres, 
Panicum virgatum L., Gaura parviflora Dougl., Ambrosia pail a 
stachya DC., Glycyrrhiza lepidota Nutt., Aster multiflorus Ait, 3 
Helianthus annuus L., Erigeron Canadensis L., Xanthium strumarim 
L., Grindelia squarrosa Dunal, Desmanthus brachylobus Besth. 
Amorpha fruticosa 1., Cnothera biennis ., Physalis lanceolate 
Michx., Euphorbia glyptosperma Engelm., Euphorbia marginait : 
Pursh, Amarantus blitoides Watson, Elymus Virginicus L., Spartint ] 
cynosuroides Willd., Scirpus pungens Vahl. 
THE SEAPO, OR TUTHILL’S MARSH. 
About eighteen miles east, and a little north of Big marshy 
in the southeast part of Republic county, there is a salt saath = 
on Little Marsh creek, which is commonly called pen 
marsh. This was visited the last of August 1897. 2 pet 
fered much from the cultivated soil on the high een reget 
if Ys margin is very irregular, both as to surface an ae 
tion. At present it is fenced and in pasture, and, althoug 7 
are several hundred acres still without vegetation, ghee 
smaller than formerly and natural conditions are aoe i 
There are many irregular barren spots along the pant 
well marked zones as in the Big marsh. 
In the stream flowing through the marsh di 
abundant, but none of the green alge Fes 
were found. Along the stream Scirpus campestris 
pungens Vahl. were present, but S. dacustris L. pn wis 
On patches of overflow deposit were found Dts 
| te a 
Raf., Polygonum ramosissimum Michx., P. Persicar@ 
atoms were 
n to the reget 
Britton and 
not seh. 
