66 THE TRUE GRASSES. 



40. (61) JEgopogon. Humb. & Bonpl. (Hymenothteium 

 Lag., Schettingia Steud.). Fascicles of spikelets secund 

 along a delicate axis, finally pendent. Spikelets small, 

 usually awned. 



Species two, from Brazil to California. 



41. (65) Tragus (Fig. 22). The 3-5 spikelets of each 

 fascicle somewhat divergent. First empty glume minute, 

 sometimes wanting ; the second large, beset with hook- 



FIG. 21. Anthephora elegana 

 Schreb. L, Involucre. (After 

 Mart, et Eichl., Fl. br. II. III. 

 pi. 44.) 



FIG. 22. Tragus racemosus Hall. 

 (After Nees, Gen. Germ., I. 28.) 



like spines. Flowering glume and palea smaller and 

 smooth. 



Species (or varieties) two. Low, branching weeds, 

 in all warm countries. [Introduced about Philadelphia, 

 Mobile, etc.] The fruiting glume readily adheres to the 

 wool and hair of animals. 



42. (66) Latipes Kunth. Spikelets curved, very spiny, 

 solitary or in pairs upon a very broad and flat pedicel, 



