GRASSES OF IOWA. 



45 



Paspalumsetaceumva.r.ciliatifoliumV&sey. Coatr. U. S. Nat. Herb. 

 3: 17. 



Paspalum setaceum var . ciliatifolium (Michx. ) Vasey. Beal. Grasses of 

 N. A. 2: 91. 1896. P. dasyphyllum Ell. Bot. S. C. & Ga. 1: 105, 1817. 



DESCRIPTION. 



Cii-Iatk Leaved Paspulum. An erect or ascending perennial, 



usually about 2 feet (5 dm.) high, with long, flat leaves and slender 



often solitary, terminal anu long peduncled axillary racemes. Sheaths 



pubescent with spreading hairs, rarely nearly smooth, the lower usually 



Fig. 33. Paspalum ciliatifolum. -a, spikelet; b, c, empty glumes; e, palea, stamens 



and pistil. 



purplish, the upper ones elongated and somewhat inflated; ligule very 

 short; leaf-blade 5 to 12 inches (10-24 cm -) l° n g> 3 t0 6 lines (6-12 

 mm.) wide, usually papillate pilose on both sides and along the narrowly- 

 cartilaginous margins, acute, tapering slightly toward the rounded base, 

 the upper leaf usually cordate. Racemes terminal and axillary, 2 to 

 4 or 6 inches (4-8 or 12 cm.) long, the terminal solitary or with one 

 or two approximate below it, and finally evserted on long naked pe- 



