PAWICTTM. 197 



lower one usually sliort or minute (rarely ever want- 

 ing), membranaceo-lierbaceous, the upper as long as 

 the fertile flower ; lower flower either neutral or stam- 

 inate, of one palet, which closely resembles the upper 

 glume, and sometimes with a second thin one; upper 

 flower perfect, closed, coriaceous or cartilaginous, 

 usually flattish, parallel with the glumes, awnless, 

 except in Digitaria, enclosing the free and grooveless 

 grain ; stamens 3 ; stigmas plumose, usually 

 purple. 



An ancient Latin name of the Italian millet, P. Ital- 

 icum, now Setaria Italica. Thought to come from 

 panis, bread — some species furnishing a kind of 

 bread corn. * 



1. P. FUiforme (Slender Crab grass). Somewhat 

 resembling paspalum digitaria. Sandy soils near 

 the coast. Flowers in August. 



2. P. Glabrum (Smooth Crab grass). Common in 

 cultivated grounds. A troublesome weed. Flowers 

 in August. 



3. P. Sangninale (Common Crab or Finger grass). 

 In cultivated and waste grounds, a troublesome 

 weed. Flowers irom August to October. 



4 P. Anceps (Double-headed Panic). "Wet, sandy 

 soil, New Jersey and Pennsylvania, to Virginia 

 and southward. Flowers in July and August. 



5, P. Agrostoides(Agrostis-like Panic grass). Wet 

 meadows and borders of rivers, from Massachusetts 

 to Virginia, Illinois and southward. Flowers in July 

 and August. 



