PLANTS OF MANHATTAN AND BLUE ISLAND 75 



Panic um capillarc L. Witch Grass. 



Fields. Common. July 25. 

 Panicum cognatum Schultes. Fall Witch Grass. 



Manhattan, in sandy soil. July 15. 

 Panicum prolijerum Lam. Sprouting Crab Grass. 



Fields, especially in low ground. Common. Aug. 5. 

 Panicum virgatum L. Switch Grass. 



Meadows. Common. July 25. 

 Panicum scribnerianum Nash. 



Prairies. Common. May 15. 

 Panicum scoparium Lam. 



Manhattan. Occasional in dry soil. 

 Chaetochloa glauca (L). Scribn. Yellow Foxtail. Pigeon Grass. 



Fields, etc. Common. June 30 (29). 

 Chaetochloa viridis (L.) Scribn. Green Foxtail. 



Fields, etc. Common. June 5 (5). 

 Chaetochloa italica (L.) Scribn. Italian Millet. 



Occasionally escaped from cultivation. 

 Cenchrus iribuloides L. Sand-bur. 



Especially in sandy soil. Common. July 20. 

 Homalocenchrus virginicus (Willd.) Britton. White Grass. 



Woods and along streams. Common. Aug. 5. 

 Homalocenchrus oryzoides (L.) Poll. Rice Cut-grass. 



Woods and along streams. Frequent. July 25. 

 Phalaris arundinacea L. Reed Canary Grass. 



Manhattan. Occasional in wet places east of town. 

 Aristida oligantha Michx. Wire Grass. 



Dry soil. Common. 

 Aristida basiramea Engelm. 



Manhattan. Occasional in dry soil. 

 Stipa spartea Trin. Porcupine Grass. 



Prairies. Common. May 20. 

 Muhlenbergia sobolifera (Muhl.) Trin. 



Once collected in a ravine southwest of Manhattan. 

 Muhlenbergia mexicana (L.) Trin. 



Woods. Common. 

 Muhlenbergia racemosa (Michx.) B. S. P. 



Woods. Common. 

 Muhlenbergia sylvatica Torr. 



Manhattan. Occasional in woods. 



