233] FLORA OF COLUMBIA AND VICINITY yl 



72. M. racemosa (Michx.) B. S. P. \^M. glomerata (Willd.) 

 Trin.]. Wild timothy. 



Low grounds and wet meadows. 



Newfoundland and New Jersey to British Columbia 

 and Nevada. 



73. M. sylvatica Torr. Wood dropseed. 

 Rich woods; frequent. 



New Brunswick and North Carolina to the Rocky 

 Mountains. 



74. M. tenuiflora (Willd.) B. S. P. \M. Willdenovii Trin.]. 

 Slender dropseed. 



Rare in rich woods. 



Massachusetts to Ontario and Minnesota; Alabama to 

 Texas. 



75. M. diffusa Schreb. \M. Schreberi Gmel.]. Nimble 

 Will. 



Common in waste places; also in woods. 



Maine and Florida to Minnesota and New Mexico. 



32. BRAOHYELYTRUM Beauv. 



76. B. aristatum (Pers.) Beauv. \^B. erectum (Schreb.) 

 Beauv.]. 



Rich woods, where it is the most characteristic grass. 

 Newfoundland and Minnesota to Alabama and Kansas. 



33. PHLEUM L. Herd grass. 



•]•!. P. pratense L. Timothy. 

 Meadows, pastures and fields. 

 Europe and Asia, thence to North America. 



34. ALOPEOURUS L. Foxtail. 



78. A. pratensis L. Meadow foxtail. 

 Meadows, and occasionally in waste places. 

 Europe, Africa and Asia, thence to North America. 



79. A. geniculatus L. Marsh foxtail. 



A weed in the University Horticultural grounds. 

 Old World, thence to North America. 



