TRiANDRii DiGYNiA, Andropogon. 75 



Common in old fields and dry mead(j\vs ; called Broom- 

 grass. 1/ . June — Aug v. v. A very obnoxious weed. 



** Spicis covjugails s. fasciculatis. 



6. A. vaginis margine villosis, paniculis lateraiibus fascicu- macrourus. 



latim polystacliyis, floribus PK-nandris, arista 4-.'3- 

 tai)lo gluraae lont^itudine, valvis anterionbus glabris. 

 Mich Ji. nmer. I. p. 56. 



Cinna giomerata. JVult.fl. car. 5g. 



In low meadows and woods : Carolina and Florida. 11. + . 



7. A. vaginis glabris, culmis erectis, spicis lateraiibus dis- dissiliflorus. 



sitis, floribus monandris, arista longa recta, valvis in- 



terioribus glabris. Mkh.Ji. amer. 1. p. 57 . 

 Cinna lateralis. Wult.Ji. cur. 5Q. 

 In dry woods and old fields, frequently found on high 



mountains: Pens^lvania to Florida. l/.July. %>.v. 



8. A. ramis remote alternis solitariis simplicibus plerisque ternanus. 



tristachyis, spicis dislanter alternis bifidis, villis invo- 

 lucri gluma brevinribus, floribus triandris, valvis in- 

 terioribus subvillosis, intima ex incisuia arisL^m Ion- 

 gam contortam emitteute. Alick.Jl. amer. 1. p. 57. 

 In the mountains of Virginia and North Carolina. 1/ . 

 July. V V. 



9. A. pnnicuL-e spicis conjngatis, pedunculis simplicibus, virginicus. 



rachi lanata. flosculis muticis : mascula tabescente. 

 IVUld. sp.pl 4. p. 916. 

 In Virginia. Gronov. 1/.+. 



10. A. spicis conjngatis paniculatis, panicula bracteata fasti- licornis. 



giato-corymbosa, floribus ternis muticis, intermedio 

 hermaphrod'to se?siti, lateraiibus neutris pedicellatis, 

 rachi longissime ciliata. JVil/d. sp. pi. 4. p. 910. 

 In Virginia. Gronov. %. -\-. 



11. A spicis digitatis subquaternis, floribus geminatis, her- furcatus, 



maphrodito sessili aristato, masculo mutico pedicellato, 

 rachi pilosa. IViUd. sp. pi 4. p. 9 1 9. 

 In rocky situations : Canada to Virginiaj rare. 2/ . June^ 

 July. V. V. 



86. ATHEROPOGON. Muhlb. in Willd. sp. pi. 4. p. gS?- 



1, Atheropogon. JViUd. I. c. 



In North America. Muhlb. + . About a foot high ; 

 leaves narrow j flowers alternate in a spike. 



apludoiies. 



