GRASSES OF IOWA. 



Ill 



This grass is nor abundant. It is 

 found here and there along the bor- 

 dersof roadsides, in parks and public 

 grounds or in lawns. Introduced 

 with lawn mixtures. It seldom 

 persists more than a season or two. 

 Fragrant in drying. 



DISTRIBUTION. 



luivu. Ames (Beardslee). 



North America. Species natural- 

 ized in eastern North America and 

 along the Pacific coast. Vermont; 

 Massachusetts to New Jersey, and 

 south to Alabama. 



General. Europe. Asia and nat- 

 uralized in Australia. 



3. HIEROCHLOE 



Hierochloe Gmelin Fl. Sib. 1: 100. 

 1747. Endlicher. Gen. PI. 18. Ben- 

 tham and Hooker. Gen. PI. 3: 1139. 

 Hackel in Engler and Prantl. Nat. 

 Pflanz. Fam. II. 2:44. /. 42. 



Dimeria. Raf. Jr. Phy. 89. pi. 12 



f 7 



'• '• Fro. 79. Anthoxanthum odoratumv&r. 



Disarrcnum Labill. PI. Nov. Holl. puelii.—a, spikelet; b, awned glume; c, 

 r> oo io/w> awnlesa glume; d, same with outer glumes 



d\ 82. 1806. removed. (Charlotte M. King. ) 



Torresia Ruiz and Pav. Prod. Fl. Per. and Chill. 125. 1794. 

 Savastana Schrank. Baier. Fl. 1: 100. 337. 1789. 



Spikelets 3-Howered, open-panicled, the two lower (lateral) flow- 

 ers staminate only, 3-androus, sessile, the carinate glumes often awned 

 on the middle of the back, or near the tip, the uppermost Mower perfect, 

 short-pedicelled, scarcely as long as the others, 2-androus, awnless. 

 Basal glumes persistent, carinate, acute, somewhat 3 -nerved, equalling 

 or exceeding the spikelet. Perennials; leaves flat. (Name from two 

 Greek words for sacred ami grass; these sweet-scented grasses being 

 strewn before the church doors on saints' days, in the north of Europe.) 



According to Bentham & Hooker there are 8 living species; Hackel 



