23' 



Fig. 533. Poa annua Linn. Sp. PI. 68. Low Spear grass or 

 SuMMKK-GRASS. A low, tufted annual, with erect or ascendinjr, 

 somewhat flnttoni'd stems 0.5 to 3 dm. high, smooth, i\i\t, spread- 

 ing;' leaves, and sliort, i)yramidal panicles. .Spikclets () .S- to 

 6-flowere(l. ulxnit 1 mm. long, witli slightly une<iual eiii[)ty 

 ghim(!H and obtuse llowcring glnmcs which are hairy on the 

 nerve.s lielow and jjiloso at the base. Fields and wiisto places, 

 dooryards, etc., throughout the United States and British America. 

 [Europe.] Ajtril-Septeniher. 



