80 BOARD OF AGRICULTURE. 



Agroslis vulgaris — Red Top — Herds Gras3 of Pennsylvania. 

 Heads or flowers spreading, exceedingly light and elegant, mostly 

 purple ; culms one to two feet high : slender leaves, three to six 

 or eight inches long; stolons more or less creeping; whole plant 

 smooth ; perennial. 



Alopecurus.* — Stamens 3 ; styles 2 ; glumes nearly equal, 

 united at base, compressed, keeled, awnless; glumel of a single 

 valve, awned from below; styles commonly united; stigmas long 

 and plumose. 



Alopecurus pratensis — Meadow Foxtail. — Spike cylindrical, 

 dense, soft, blunt at the apex, about two inches in length ; general 

 appearance much like Timothy, except the spike is shorter and 

 softer. 



Anthoxaxthum. — Stamens 2; styles 2; panicle spicate; glumes 

 thin, acute, keeled, of unequal length ; glumel double, outer one 

 with short awns. 



Anthoxanthum Odoratum — Sweet-scented vernal Grass. — Pan- 

 icle contracted into a loose oblong spike, one to three inches long : 

 culm erect, twelve to eighteen inches high ; leaves two to five inches 

 long; sheath nerved; ligule elongated ; perennial. 



PoA.f — Stamens 3; styles 2; panicle lax; locusta of from five 

 to ten florets ; glume of unequal valves ; the inner glumel notched 

 at the extremity. 



Poa annua — Annual Spear Grass. — Locusta of about five flirets, 

 not webbed ; annual. 



Poa trivialis — Rough-stalked Meadow Grass. — Locusta of about 

 three acute webbed florets ; leaves with a rough sheath : ligule 

 pointed; perennial. 



Poa Pratensis — June Grass — Spear Grass — Kentucky Blue 

 Grass — Smooth-stalked Meadow Grass — Locusta of about four acute 

 flowers with a web culm and herbage smooth ; ligule short and 

 blunt; rhizome creeping; perennial. 



Poa compressa — Blue Grass — Flat-stalked Meadow Grass. — 

 Culms flat, oval on a transverse section ; rhizome creeping; peren- 

 nial. 



* Name from the Greek Alopex, a fox, and oura, a tail, alluding to the form of the 

 spike, 

 t An ancient Greek name for herbage or pasture. 



