65 



Fig. 59. PANICUM BARBULATUM Michx. Fl. Bor. Am. 1 : 49. 1803. 

 BEARDED-JOINT.— Culms 3-12 dm. (P-4°) high, finally much-branched, slen- 

 der, smooth, except the nodes, which are conspicuously bearded with reflexed, 

 white hairs. Panicle ovate-pyramidal, 5-10 cm. (2'-4'). long; leaves of the pri- 

 mary stem 8-12 cm. (3'-5') long, 1 cm. (5") wide, those of the branches very nu- 

 merous, 1-2 cm. (i'-l'j long, 2-5 mm. (l"-2i") wide. Spikelets (a, b, c, d) numer- 

 ous, glabrous, about 1.5 mm. {b") long.— Bogs, wet meadows, and low woodlands, 

 •southern New York and New England to Illinois, Florida, and New Mexico. 

 20801— No. 7 5 



