KOELERIA MUHLENBERGIA 355 



Stems 1-3 ft. high; panicle 1-7 in. long; spikelets 4-6 



mm. long, the keel rough-ciliate K. cristdta 



LYCURUS H. B. K. 1815 TEXAN TIMOTHY 

 (Gr. lykos, wolf, oura, tail) 



Spikelets 1-flowered, usually in pairs on spike-like terminal panicles; 

 glumes 2, 3-nerved, the nerves often extending into awns; lemma broader 

 and longer than the glumes, 2-nerved, palet smaller, 2-nerved, 2-toothed; 

 tufted perennial. 



Stems 8-20 in. high; panicles 1-3 in. long; spikelets 4 



mm. long, the lemma with an awn its own length L. phleoides 



LOLIUM Linne 1753 DARNEL 

 (The Latin name) 



Spikelets 4-10-flowered, solitary, sessile, and alternate in the notches 

 of the terminal spike, flattened, the edge of the spikelet turned toward the 

 axis ; glumes 1 or 2 ; lemmas rounded on the back, 5-7-nerved, palet 2- 

 keeled ; annual or perennial. 



1. Glume shorter than the spikelet L. perenne 



2. Glume equalling or exceeding the spikelet L. tevnulentum 



MELICA Linne 1753 MELIC GRASS 

 (A Greek name of the sorghum, probably from mel, honey) 



PL 45, fig. 22. 







Spikelets 2-5-flowered, in panicles, the axis extended beyond the flowers 

 and usually bearing 2-3 empty scales; glumes more or less unequal, 3-5- 

 nerved ; lemma rounded on the back, 7-1 3-nerved, sometimes awned, palet 

 shorter than the lemma, 2-keeled; perennial. 

 1. Stems bulbous-thickened at the base; spikelets 5-8- 



flowered, 10-12 mm. long M. bulbosa 



2. Stems not bulbous-thickened at the base; spike- 

 lets 2-5-flowered 



a. Spikelets nodding M . parviftora 



b. Spikelets not nodding M. Smithii 



MUHLENBERGIA Schreber 1789 MUHLENBERGIA 



(Named for Muhlenberg, an American botanist) 



PL 46, fig. 21, 22. 



Spikelets 1-flowered, in open or dense, spike-like panicles ; glumes acute, 

 sometimes awned ; lemma 3-5-nerved, obtuse, acute or awned, palet narrow ; 

 annual or perennial. 



