53 



Fig. 47. PANICXJM GIBBUM Ell. Sk. Bot. S. C. and Ga. 1 : 116. 1817. GIB- 

 BOUS PANIC-GRASS.— A stoloniferous, branching perennial 3-9 dm. (l°-3°) 

 high, with narrowly lanceolate, flat leaves, and densely flowered spike-like 

 panicles 10-15 cm. {4'-6') long, the appressed branches 2-5 cm. {i'-2') long. 

 Spikelets (a,t) glabrous, about 3 mm. (1^") long, oblong, obtuse; the lower 

 glume 3-nerved, one-fourth as long as the second, which is strongly 11-nerved 

 and gibbous at the base, and nearly twice as long as the fourth or flowering 

 glume ((/). The palea of the 7-nerved third glume is shown at c— Low, wet 

 grounds, Virginia to Florida, Tennessee, Louisiana, and Indian Territory. 

 (Cuba.) June to October. 



