66 



THE TRUE GRASSES. 



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

 Lag., Schellingia Steud.). Fascicles of spikelets secimd 

 along a delicate axis, liually 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- 

 it 



Fig. 21. — Anthephora elegans 

 Schreb. L, Involucre. (After 

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

 pi. 44.) 



Fig. 22. — Tragus racemosus Hall. 

 (After Nees, Gen. Germ. ,9. 23.) 



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, 



