90 



(23. Brosius.) 



mollis, L. (Soft Chess.) 



Fields with Timothy. Frequent. June. 

 Native of Europe, 

 ciliatus, L.y var. ptirgans, Gr. 



Sandy open woods; Brandy wine. Frequent. July. 



24. Uniola, L. 



latifolia, Michx. 



Sandy open woods near Brandywine Bridge. Fre- 

 quent. Aug. 

 gracilis, Michx. 



Moist sandy places; Thompsons. Frequent. Aug. 



25. Phragmites, Trin. (Arundo, Z.) 



communis, Trin. (Reed Grass.) 



Muddy shores of Christiana Creek, near the light- 

 house. Aug. 



26. Lolium, L. 



perenne, L. (Darnel. Rye Grass.) 



Moist meadows, &c. Frequent. June. Native of 

 Europe, 

 temulentum, L. 



Field's, &c. ; Noxentown Pond. Rare. June. 



27. Triticum, 1 L. 



repens, L. (Couch Grass. Quitch Grass.) 



Cultivated grounds and pastures. Common. July. 

 Native of Europe. 



28. Elymus, L. 



Virginicus, L. (Lyme Grass.) 



Rocky banks; Rocky Ridge, &c. Frequent. July. 

 Canadensis, L. (Wild Rye.) 



Sandy banks of streams. Frequent. Aug. 



29. GYxMnostichUxM, Schr. (Elymus, L.) 



Hystrix, Schr. (Bottle-brush Grass. 

 Moist sandy woods. Frequent. July. 



1 The wheat plant belongs to this genus. 



Secale cereale, the cultivated rye, is spontaneous for some years in 

 fields where it has been sown. The ergot or spurred rye is a diseased 

 form, and is sometimes used in medicine. 



