MANUAL OF THE GRASSES OF THE UNITED STATES 951 



Andropogon avenaceus Michx., Fl. Bor. Amer. 1: 58. 1803. Illinois, Michaux. 

 Andropogon ciliatus Ell., Bot. S.C. and Ga. 1: 144. 1816. Port Royal, S.C. 

 Sorghum nutans A. Gray, Man. 617. 1848. Based on Andropogon nutans L. 

 Sorghum avenaceum Chapm., Fl. South. U.S. 583. 1860. Based on Andro- 

 pogon avenaceus Michx. 

 Chrysopogon nutans Benth., Jour. Linn. Soc. Bot. 19: 73. 1881. Based on 



Andropogon nutans L. 

 Chrysopogon avenaceus Benth., Jour. Linn. Soc. Bot. 19: 73. 1881. Based 



on Andropogon avenaceus Michx. 

 Sorghum nutans subsp. avenaceum Hack., in Mart., Fl. Bras. 2 3 : 274. 1883. 



Based on Andropogon avenaceus Michx. 

 Sorghum nutans subsp. linnaeanum Hack., in Mart., Fl. Bras. 2 3 : 276. 1883. 



Based on Andropogon nutans L. 

 Andropogon albescens Fourn., Mex. PL 2: 56. 1886. Vera Cruz, Mexico, 



Gouin 53. 

 Andropogon confertus Trin.; Fourn., Mex. PI. 2: 55. 1886. Texas, Berlandier 



1873. 

 Andropogon nutans var. avenaceus Hack., in DC, Monogr. Phan. 6: 530. 1889. 



Based on Andropogon avenaceus Michx. 

 Andropogon nutans var. linnaeanus Hack., in DC., Monogr. Phan. 6: 531. 



1889. Based on Sorghum nutans subsp. linnaeanum Hack. 

 Chrysopogon nutans var. avenaceus Coville and Branner, Rep. Geol. Surv. 



Ark. 4: 234. 1891. Based on Andropogon avenaceus Michx. 

 Poranthera nutans Raf.; Jacks., Ind. Kew. 3: 606. 1894, as synonym of 



Chrysopogon nutans. 

 Poranthera ciliata Raf.; Jacks., Ind. Kew. 3: 606. 1894, as synonym of 



Chrysopogon avenaceus. 

 Chrysopogon nutans var. linnaeanus Mohr, Bull. Torrey Bot. Club 24: 21. 



1897. Based on Sorghum nutans subsp. linnaeanum Hack. 

 Sorghastrum avenaceum Nash, in Britton, Man. 71. 1901. Based on Andro- 

 pogon avenaceus Michx. 

 Andropogon linnaeanus Scribn. and Kearn.; Scribn. and Ball., U.S.Dept.Agr., 



Div. Agrost. Bull. 24: 40. 1901. Based on Sorghum nutans subsp. lin- 

 naeanum Hack. 

 Sorghastrum linnaeanum Nash, in Small, Fl. Southeast. U.S. 66. 1903. 



Based on Andropogon nutans var. linnaeanus Hack., but misapplied to 



S. elliottii (Mohr) Nash. 

 Holcus nutans Kuntze; Stuck., An. Mus. Nac. Buenos Aires 11: 48. 1904. 



Presumably based on Andropogon nutans L. 

 Holcus nutans var. avenaceus Hack.; Stuck., An. Mus. Nac. Buenos Aires 11: 48. 



1904. Presumably based on Andropogon avenaceus Michx. 

 Chalcoelytrum nutans Lunell, Amer. Midi. Nat. 4: 212. 1915. Based on 



Andropogon nutans L. 

 (3) Sorghastrum secundum (Ell.) Nash, in Small, Fl. Southeast. U.S. 67. 1903. 



Based on Andropogon secundus Ell. 

 Andropogon secundus Ell., Bot. S.C. and Ga. 1: 580. 1821. Between Flint and 



Chattahoochee Rivers, Ga. 

 Sorghum secundum Chapm., Fl. South. U.S. 583. 1860. Based on Andro- 

 pogon secundus Ell. 

 Chrysopogon secundus Benth.; Vasey, Grasses U.S. 20. 1883. Based on 



Sorghum secundum Chapm. 

 Andropogon unilateralis Hack., in DC, Monogr. Phan. 6: 533. 1889. Based 



on Sorghum secundum Chapm. 



(147) SORGHUM Moench 



(1) Sorghum halepense (L.) Pers., Syn. PI. 1: 101. 1805. Based on 

 Holcus halepensis L. 



Holcus halepensis L., Sp. PL 1047. 1753. Syria. 



Blumenbachia halepensis KoeL, Descr. Gram. 29. 1802. Based on Holcus 

 sorghum L. 



Milium halepense Cav., Descr. PL 306. 1802. Based on Holcus halepensis L. 



Andropogon halepensis Brot., Fl. Lusit. 1: 89. 1804. Based on Holcus hale- 

 pensis L. 



Andropogon sorghum subsp. halepensis Hack., in DC, Monogr. Phan. 6: 501. 

 1889. Based on Holcus halepensis L. 



Andropogon halepensis var. anatherus Piper, Biol. Soc. Wash. Proc. 28: 2S. 

 1915. Marco, Fla., Hitchcock Fla. PL 1900. Spikelets awnless. 



