o7. (JHAMIXE.E. 



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1. Panicum, L. 



Spikelets compressed dorsally, l-flo\vered ; outer glumes 

 3, the lowest small, the 3rd representing a barren flower; 

 Howerinj^ ghime and palea tough and wliitish. 



Spikelets arranged on one side of the simple 

 branches of the panicle. 

 Spikelets small, pedicellate, in slender 



spikes 



Spikelets larger, subsessile, in broad 



spikes 



Spikelets arranged along the filiform, com- 

 pound branches of a spreading panicle 



P. sniiguinaJc 1 

 P. Crus-galU 2 

 P. iniUaccuiii 3 



fSjf- 



1. Panicum sanguinale, 



L. Crnh-fjrass (U.S.A.). Annual 

 with creeping-ascending stems 

 rooting at the lower nodes ; leaves 

 short, lanceolate, wavy on the 

 edges, villous; ligule short; 

 spikes 3-11, very slender, 5-8 cm. 

 (2-3 in.), in .some specimens 12- 

 16 cm. (0-65 in.) long, erect, then 

 spreading, turning purple, sub- 

 digitate (in whorls, pairs, or 

 alternate), at or near the top of 

 the stem; spikelets 3 mm. long, 

 lanceolate, twin in 2 rows along 

 one side of the flattened axis of 

 the spike, the lower .spikelet on a 

 short, and the upper on a 

 long pedicel, each containing 1 

 bisexual flower ; outer glumes 3. 

 the lowest minute, the second 

 acute. 3-nerved, ciliate, half as 

 long as the 3rd, which equals the 

 flower, and is flat, 7-nerved, 

 ciliate; flowering ghime and 



palea almost efpial, tough, Avhite. hardened in fruit and 

 enclosing the free grain. Ditjifdiia sanniiiiudis. Scop. 



Cultivated land, Keedbeds; creek, Burnside. — Dec. -Mar. 

 — Most warm countries, including eastern and tropical 

 Australia. 



2. P. Crus-g'alli, L. Cockspur Panic-grass, Barn- 

 ]iai il-(iniss. Has broader spikes, alternate or clustered 

 along the stem in a long, contracted panicle; spikelets in 

 4 rows. sul)sessile along an axis bearing numerou.s bristles; 

 2nd and 3rd glumes mucronate or awned ; leaves long, 

 without any ligule. 



A weed in moist places, often grown a,s fodder. — Dec- 

 Apl. — Cosmopolitan, and believed to be a native of South 

 Australia. 



Panicum sanguinale. 



