66 Trans. Acad. Sci. of St. Louis. 



Cuphea viscosissima , Diodia teres, Androsace occidentalism 

 Hedeoma hispida, Plantago Patagonica gnaphalioides. 



The nearest representation which we have of the xerophy- 

 tic forest flora is the oak scrub, found on dry hills through 

 eastern and southern Kansas. The trees are mostly oaks, 

 Quercus nigra , Q. iinctoria, Q. Muhlenbergii and Q. prinoides. 



Halophytes. 

 This sub-division is rather sparsely represented in Kansas, 

 the plants being confined to the salt marshes. 



CLASS VIII. SALT MARSH VEGETATION. 



These salt marshes are found in Stafford and Eeno Coun- 

 ties, and less frequently in some other counties. During the 

 dry season the water disappears and there is a salt plain. In 

 Stafford County the Big Salt Marsh covers several square 

 miles, and during the dry season a large part of it is entirely 

 devoid of vegetation, a level sheet of white. There are cer- 

 tain species found only where the soil is more or less salty, 

 but these species are often mixed in with others in soil that is 

 only slightly salty, not enough to be called a salt marsh or 

 plain. These areas are commonly known as alkali spots. 

 The list of species is comparatively short. Aster exilis, 

 Flaveria angustifolia, Chenopodium rubrum, Atriplex ex- 

 pansa, A. argentea, Suaeda diffusa, 8cirpus maritimus, 

 Distichlis maritima, Agrop)yrum glaucum. All but the last 

 three are annual, these three perennial by creeping root- 

 stocks. Distichlis and Agropyrum are widely distributed. 

 The former is quite abundant at the foot of gypsum hills 

 where the soil is impregnated with gypsum and magnesium, 

 but is wet during a part of the year. 



Mesophytes. 

 The mesophytic flora is abundant in eastern Kansas, but 

 decreases rapidly westward, where it is confined to the vicinity 

 of the streams. 



CLASS IX. MEADOWS. 



Under this title is included the grass vegetation lying near 

 the streams, but beyond the hydrophytic formation. The 



