44 



Fig. 38. PANTCUM: SEROTINTJM (Walt.) Trin. Gram. Panic. 166. 1826. 

 {Syntherisma seroiina Walt. Fl. Car. 76. 1788; Digitaria serotina Michx. Fl. Bor. 

 Am. 1 : 46. 1803.) LITTLE CRAB-GRASS.— An extensively creeping annual 

 or biennial, with flat, hairy leaves and slender racemes 3-10 cm. (li'-4') long, 

 digitate at the apex of the ascending culms, which are 1-3 dm. (4'-12') high. 

 Spikelets (2,3) about 1.-5 mm. (J") long, acute, with pubescent, unequal, empty 

 glumes, of which the first is wanting, the second 3-nerved and one-third as 

 long as the flowering glume.— Low, sandy ground, roadsides, pastures, and 

 cultivated fields near the coast, Delaware to Mississippi; on ballast at Philadel- 

 phia. June to August. 



Of no agricultural value. 



