FESTl'CE.E. 468 



b. Piuiicle spikeliko , 3 



b. Pauicle at len«;th open, second glume 2.5-3 mm. 



long (c) 



e. l^micle 30 cm. long 4 



c. Panicle 10-14 cm. long 5 



a. Floral glume more than 3 mm. long (d) 



d. Panicle at length open (e) 



e. Panicle 2-10 cm. long <5 



e. Panicle 10-15 cm. long T 



e. Panicle 20-40 cm. long S 



d. Panicle capitate or sjjicate (i) 



i. Culms 3-10 cm. high, blades 1-3 cm. long. . 9 

 i. Culms more than 10 cm. high, blades more tlum 



3 cm. long (m) 



n- Second glume 3 mm., floral glume 4 mm. 



long 10 



m. Second glume 3,5-4 mm., iloral glume 4.5 



mm. long 11 



m. Second glume 4.5 mm., floral glume 3-;5.5 



mm. long I'i 



m. Second glume 4.5-5 mm., floral glume 5 



mm. long 13 



m. Second glume 5-G mm., floral glume 4 mm. 



long ... 14 



m. Second glume longer, floral glume usually 



longer (n) 



n. Panicle dense, 4-0 cm. long 15 



n. Panicle slender, 10-20 cm. long. . . l»i 

 1. S. trinerviglumis (Munro) Kuntze, Pev. (Jen. PI. 2:789 

 (1891). Triciispis friitervic/Iiuiiis Munro. A. (Jray, Proc. Acad. 

 Sc. Phil. 333 (1S03.) 



An erect tufted rather slender grass, 40-00 cm. liigh. Sheaths 

 about as long as the internodes, ciliate at the throat; ligule a mere 

 brown ciliate ring; blades of the culm 3, scabrous, with scattering 

 hairs, flat or involute, slender jjointed, 1-2 cm. long, 2-3 mm. wide. 

 Panicle spikelike, interrupted, the appressed lower spikelike rays 



