i8} THE SALT MARSH PLANTS OF NORTHERN KANSAS 259 
piper L., Amarantus chlorostachys Willd., Panicum Crus-galli L., 
Nonthium strumarium L., and a single small willow, probably 
Salix mgra Marsh. 
In isolated patches along the margin of the barren portion 
Distichlis maritima Raf., Polygonum ramosissimum Michx., and 
Sueda diffusa Watson, are usually the only plants present, but in 
some places Hordeum jubatum L. and Sporobolus Texanus Vasey 
come close to the border of the main barren. A little farther 
out Jva ciliata Willd. and Atriplex expansa Watson are common. 
lmegular patches, more or less inclosed by barren ground, con- 
tain Distichlis maritima Raf., Polygonum ramosissimum Michx., 
Swada diffusa Watson, Atriplex expansa Watson, Polygonum Hydro- 
Myer... Solanum rostratum Dunal, Hordeum jubatum L., and Sporo- 
bolus Texanus Vasey. In the next zone Aster multiflorus Ait. and 
Ambrosia psilostachya DC. are added. 
nthe south end of the marsh, where there seemed to be much 
overflow deposit, although the greater part was still quite salty, 
the following plants were found: Helianthus annuus L., Ambrosia 
psllostachya DC., Exphorbia marginata Pursh., Polygonum ramosts- 
smum Michx., Iva ciliata Willd., Sueda diffusa Watson, Ambrosia 
"ida L., P alygonum Persicaria L., and Datura Stramonium L. 
@ marginata Pursh, Datura Stramonium L., and Cheno- 
im habia L. were found as perfectly isolated plants in the 
€N portion, 
_ oT the outer part of the marsh much the same vegetation is 
| a 3 x Big marsh. Solidago Canadensis L., Iva ciliata 
epansa ethene psilostachya DC., Helianthus annuus L., Atriplex 
atson, Hordeum jubatum \.., Sporobolus Texanus Vasey, 
and a 
fa obolus heterolepis Gray are the plants characteristic of the 
transition zone, 
SUMMARY. : 
‘Th 
€ The salt mar shes of northern Kansas are characterized by 
a on 
aia absolutely destitute of vegetation; by the paucity of 
Wood Pe their margins; and by the entire absence of all 
7 plants. 
