; 



GRASS FAMILY. 

 4. Paspalum dilatatum Poir. Tall Paspalum. ( Fig. 230. ) 



as/>a fiti dila fat urn Poir. in Lam. Encycl. 5: 35. 1804. 

 ova turn Nees, Agrost. Bras. 43. 1829. 



Culms erect, 3-6 tall, smooth and glabrous. 



icaths compressed, smooth and glabrous; leaves i 

 more long, 2"-$" wide, long-acuminate, rather 



cabrous on the margins, sometimes with a tuft of 

 lairs at the base; spikes 4-12, 2'-$' long, spreading, 

 alternate, $+'-2' distant on the main axis; rachis of 



ie spikes narrow, less than \" wide, somewhat flexu- 



is, scabrous; spikelets about i^ r/ long, in 3 or 4 



>ws, acute ; outer scales 5-nerved, the first villous on 



ie margins, the second glabrous or sparsely pubescent, 



ie third nearly orbicular, minutely punctate-striate. 



In moist soil, Virginia to Florida, west to Texas 

 cends to 1000 ft. in Georgia. Aug.-Sept. 



Paspalum setaceum Michx. Slender Paspalum. (Fig. 231.) 



Paspalum setaceum Michx. Fl. Bor Am. i: 43. 1803. 

 Paspalum pubescens Mnhl. Gram. 92. 



Culms mostly erect, i-2 tall, slender, smooth. 

 Sheaths and leaves generally very pubescent, the 

 latter 3 / -S / long, i"-3" wide, erect, acuminate; spike* 

 ~i^'-2>%' l n g. niore or less curved, generally solitary, 

 occasionally 2, on a long-exserted slender ped ancle. 

 with usually i or 2 additional shorter peduncles from 

 the same upper sheath ; spikelets about Jf " long, in a 

 narrow rows, broadly obovate, very obtuse; empty 

 scales 3-nerved, glabrous or pubescent; third scale ob- 

 ovate, shining. 



In dry fields, Massachust t:- *>uth t- Florida 



and Texas. Ascends to 2200 ft. in Virginia. A u* -Sept. 



6. Paspalum ciliatifolium Michx. Ciliate-leaved Paspalum. (Fig. 232.) 



Paspalum ciliatifolium Michx. Fl. Bor. Aui. x: 44. 



Paspalum dasvphvllum EH. Bot. S. C. & Ga. i: 105. 

 1817. 



Culms erect, -i%-2 l / 2 tall, smooth. Sheaths 

 varying from glabrous to pubescent ; leaves 4 x -9' 

 long, 3 // -7 // wide acuminate, pubescent or glabrous, 

 ciliate, the upper one usually broad and cordate at 

 base ; spikes i or 2, occasionally 3, 2 / -4 / long ; 

 peduncles 1-3, exserted from the upper sheath ; 

 rachis very narrow, slightly flexuous and triangu- 

 lar, scabrous ; spikelets i"-^'/ long, in 2-4 rows, 

 crowded, oval, the first or convex scale sometimes 

 sparingly pubescent, the third scale with a distinct 

 depression on the back near the base. 



In dry soil. New Jersey and Pennsylvania to Kansas, 

 south to Florida and Texas. June-Aug. 



