GRASS FAMILY. 

 24. Panicum viscidum Ell. Velvety Panicum. (Fig. 266.) 



initiim scopariiim Michx. Fl. Bor. Am. I: 49. 1803. 

 Not Lain. 1797. * 



iiiicinn ;'isc/(/tti Ell. Bot. S. C. & Ga. i: 121. 61 7 

 f. }. 1817. 



Culms erect, 2-4 tall, simple or at length much 

 inched above, villous. Sheaths shorter than the 

 iternodes, villous; leaves generally narrowed, some- 

 ics rounded or truncate at base, softly pubescent, 

 se of the culm 4 / -7 / long, 5 // -8 // wide, distant, those 

 the branches \ f -2 1 ^ long, 2 // -5 // wide, crowded ; 

 rimary panicle $'-6' long, ovoid, branches ascending; 

 :ondary panicles much smaller, not exceeding the 

 ives ; spikelets ovoid to oval, about \]^" long, pu- 

 cent ; first scale broadly ovate, about one-fourth as 

 ,jg as the spikelet ; second and third scales nearly ; 

 rbicular, g-ncrved, pubescent, the fourth oval, apicu- \ 

 ate, \" long. 



Moist soil, New Jersey to Indiana and the Indian Terri- 

 f, south to Florida and Texas. Not viscid. June-Aug. 



25. Panicum pubescens Lam. Hairy Panicum. ( Fi. .- 



Panicum pubescens Iam. Kncycl. 4: 748. 1797. 

 Panicum lanuginosum F.H. Hot. S. C. & <'.. 



121 





Culms at first erect and simple, later profuxly 

 branched and leaning or ascending, glabrous or pu- 

 bescent. Sheaths hirsute to villous, often papillose : 

 leaves rounded, truncate or often narrowed at the 

 base, pubescent or glabrate, generally more or le 

 spreading, those of the culm 2 '-3' long, those of the 

 branches much shorter; primary panicles ICM than 3' 

 long, ovoid, their branches ascending ; lateral pan 

 icles much smaller, not exceeding the leaves ; pike- 

 lets hardly \" long, pubescent. 



In dry soil, common in the Eastern and Mtddlr State*. 

 its western and southern rati^i- uiidrU-rmiti .1. June-Ant 



Panicum lanuginosum Kll., h<-n . 

 this species, may prove to IK- di>timi 



i rrfcraMr to 



26. Panicum depauperatum Muhl. Starved Panicum. -68. 



Panicum strictum Pursh, Fl. Am. Sept. 69. 1814. Not 

 R. Br. 1812. 



Panicum depauperatum Muhl. Gram. 112. 1817. 

 Panicum involutum Torr. Fl. U. S. 124. 1824. 



Culms erect, i tall or less, simple or branched at 

 base. Sheaths glabrous to hirsute ; leaves erect, 

 elongated, }^ // -2 // wide, mostly crowded at base and 

 equalling or one-half as long as the culm, the upper 

 culm leaf often much exceeding the panicle ; primary 

 panicle generally much exserted from the upper 

 sheath, i / ~3 / long, usually linear, its branches mostly 

 erect ; secondary panicles on very short basal branches 

 and often concealed by the lower leaves ; spikelets 

 about \}/ z " long. 



In dry places, Nova Scotia to Manitoba, south to Florida 

 '"id Texas. June-Sept. 



