595 



19- DantJionia spicata (L.) Beauv. 



In dry parts of the meadow, west of Glencoe ; found spar- 

 ingly. 



20. Spartina Michauxiana Hitchc. 



Along ditches, in moist depressions, etc. ; found only rarely. 



21. Phraginites communis Trin. 



In conspicuous dense patches in the reed swamp ; abundant 

 west and southwest of Glencoe. 



22. Bragrostis hypnoides (Lam.) BSP. 



Very common in the wet open places of the reed swamp; 

 fairly frequent in the swamp meadow. 



23. E. Frankii (Fisch., Mey. & Lall.) Steud. 



In moist open places of the reed swamp; found sparingly. 



24. Poa comprcssa L. 



In the meadow ; rare. 



25. P. triHora Gilib. 



Very common in the swamp meadow. West of Glencoe this 

 grass forms a fair percentage of the marsh hay obtained each 

 summer. 



26. P. pratcnsis L. 



In the meadow ; abundant. 



27. Glyccria ncrvata (Willd.) Trin. 



In the swamp meadow ; common, especially west of Glencoe. 

 Often occurring in almost a pure growth. 



28. Glyccria scptcntrioualis Hitchc. 



Along Skokie Stream or upon the stream bed ; frequent. 



29. Agropyron caniimm (L.) Beauv. 



Found in only one part of the meadow, west of Glencoe. 



30. Hordciun juhatiim L. 



Commonly with Poa triflora and Agrosfis pcrciniaiis, in the 

 swamp meadow ; frequent along the roadsides. 



31. Blyinus rirginicus L. 



Along ditches ; occasional. 



Cyperaccae 



32. DuUcliium avundinaccum (L.) Britton 



Only one patch found, this in the reed swamp west of Brae- 

 side. 



