Pam'cum.] 



Graminece. 



133 



Glume IV. smooth. 









Spikelets distant. 









Glume I not \ III. 









Ligule a coriace- 









ous ridge 



33- 



P. 



REPENS. 



Ligule of fine erecl 









hairs 



34- 



P. 



PROLIFERUM. 



Glume I=| III 



35- 



P. 



MONTANUM. 



Spikelets crowded 



36. 



P. 



ANTIDOTALE. 



L. strongly plicate 



37- 



P. 



PLICATUM. 



B. Spikelets laterally compressed (Gibbosce) 









Spikelets yq~yu m - 









Spikelets shortly pedicelled. 









Spikelets hispidulous . 



38. 



P. 



TRIGONUM. 



Spikelets glabrous 



39- 



P. 



PILIPES. 



Spikelets long-pedicelled. 









L. glabrous or nearly so 



40. 



P. 



PATENS. 



L. softly pubescent 



4i. 



P. 



SPARSICOMUM 



Spikelets f-J in 



42. 



P. 



UNCINATUM. 



1. P. *Isacbne, Roth, Nov. Sp. 54 ( 



1821' 



. 





P. cruczforine, Sibth.; Thw. Enum. 359. 



C. 



P, 



903. 



Fl. B. Ind. vii. 28. Trin. Sp. Gram. Ic. t. 262 (P. caucasicum). 

 Stem 1-2 ft, very slender, ascending from a decumbent 

 or creeping base, leafy, glabrous, nodes tomentose; 1. 1-2 in., 

 lanceolate or linear-lanceolate from a rounded base, faintly 

 scaberulous above and on the margins, glabrous or sparsely 

 hairy towards the base, veins very slender, sheaths about 1 in., 

 upper 2-3 in., glabrous or hairy, margins above ciliate, ligule 

 a villously hairy ridge ; panicle 2-3 in., erect, rhachis very 

 slender, smooth, glabrous or puberulous above; spikes 8-12, 

 unilateral, \-\ in. long, longer than the internodes, sessile or 

 shortly peduncled, erect or recurved, rhachis slender, angular, 

 tomentose ; spikelets y T in., secund, very shortly pedicelled, 

 closely imbricate in 2 series, oval-oblong, very pale ; glume I 

 minute, triangular, membranous, glabrous, II and III mem- 

 branous, subequal, hispidly pubescent, oblong, obtuse, II 5- 

 veined, III narrower, 3-veined, paleate, neuter, palea hyaline, 

 IV shorter, oblong, obtuse, dorsally flattened, coriaceous, 

 glabrous, shining, bisexual, palea coriaceous. 



Low country; not uncommon in cultivated ground. An introduced 

 species (Ferguson). Spikes very pale green. 



Bengal and westward to Italy and N. & S. Africa. 



2. P. flavidum, Retz. Obs. iv. 15 (1786). 

 P. brzzozdes, Jacq.; Thw. Enum. 359. C. P. 902. 

 Fl. B. Ind. vii. 28. Trin. Sp. Gram. Ic. t. 158, 159, and t. 172 (P. 

 distans). Jacq. Eclog. ii. t. 2. 



Stems 1-3 ft, slender, ascending from a short decumbent 

 base; lower internodes 1-3 in., upper longer, nodes glabrous; 



