249 



Fig. 243. ERAGROSTIS PECTINACEA (Michx.) Steud. Syn. PI. Gram 272 

 1854. [Poa pectinacea Michx. Fl. Bor. Am. 1:69. 1803.)-An erect, Ccespitose 

 perennial 3-9 dm. (lO-go) high, with short, stout rootstocks, and large spread- 

 ing, red-purple panicles. Spikelets (a, b,e),5 to 1.5 flowered, 3-8 mm (li'M'O 

 long, on pedicels of at least their own length; empty glumes equal, acute- 'flow- 

 ering glumes nearly 2 mm. (1") long, the lateral nerves very prominent -Drv 

 sandy soil in the open, Massachusetts to South Dakota and Colorado, south to 

 Florida and Texas. July to October. 



