MANUAL OF THE GRASSES OF THE UNITED STATES 



815 



(32) Andropogon perforates Trin. ex Fourn., 



Mex. PI. 2: 59. 1888. [Mexico City] 



Mexico, Berlandier 641. 

 Andropogon emersus Fourn., Mex. PI. 2: 



58. 1886. Orizaba, Mexico, Mueller 



2033. 

 Andropogon saccharoides var. leucopogon 



subvar. perforatum Hack, in DC, 



Monogr. Pham 6 : 496. 1889. Based on 



A. perforatus Trin. 

 Andropogon saccharoides var. perforatus 



Hack, ex L. H. Dewey, U. S. Natl. 



Herb. Contrib. 2: 497. 1894. Pre- 

 sumably based on A. perforatus Trin. 

 Amphilophis perforatus Nash in Small, Fl. 



Southeast. U. S. 66. 1903. Based on 



Andropogon perforatus Trin. 

 Holcus saccharoides var. perforatus Hack. 



ex Stuck., An. Mus. Nac. Buenos Aires 



11: 48. 1904. Presumably based on 



Andropogon perforatus Trin. 

 Amphilophis emersus Nash, N. Am. Fl. 17: 



126. 1912. Based on Andropogon 



emersus Fourn. 

 Bothriochloa perforata Herter, Rev. Suda- 



mer. Bot. 6: 135. 1940. Based on 



Andropogon perforatus Trin. 

 Bothriochloa emersa Henr., Blumea 4: 



520. 1941. Based on Andropogon 



emersus Fourn. 

 Andropogon pertusus (L.) Willd., Sp. PI. 4: 



922. 1806. Based on Holcus pertusus 



L. 

 Holcus pertusus L., Mant. PL 2: 301. 



1771. East Indies. 

 Bothriochloa pertusa A. Camus, Ann. Soc. 



Linn. Lyon n. ser. 76 (1930) : 164. 1931 . 



Based on Holcus pertusus L. 

 (12) Andropogon rhizomatus Swallen,Wash. 



Acad. Sci. Jour. 31: 352. f. 6. 1941. 



Homestead, Fla., Silveus 6614. 

 (34) Andropogon saccharoides Swartz, 



Prodr. Veg. Ind. Occ. 26. 1788. Ja- 

 maica, Swartz. 

 Andropogon argenteus DC, Cat. Hort. 



Monsp. 77. 1813. Mexico, Sesse. 

 Andropogon laguroides DC, Cat. Hort. 



Monsp. 78. 1813. Grown from Mexi- 

 can seed. 

 Andropogon glaucus Torr., Ann. Lye. 



N. Y. 1: 153. 1824. Not A. glaucus 



Retz., 1789. Canadian River, Tex., 



James. 

 Trachypogon argenteus Nees, Agrost. 



Bras. 348. 1829. Based on Andro- 

 pogon argenteus DC 

 Trachypogon laguroides Nees, Agrost. 



Bras. 349. 1829. Based on Andropogon 



laguroides DC 

 Andropogon torreyanus Steud., Nom. Bot. 



ed. 2. 1 : 93. 1840. Based on A. glaucus 



Torr. 

 Andropoaon jamesii Torr. in Marcy, Expl. 



Red. Riv. 302. 1853. Based on A. 



glaucus Torr. 

 Andropoaon saccharoides var. laguroides 



Hack, in Mart., Fl. Bras. 2 3 : 293. 



1883. Based on A. laguroides DC. 

 Andropogon tenuirachis Fourn., Mex. PI. 



2: 58. 1886. Mexico. 

 Andropogon saccharoides var. torreyanus 



Hack, in DC, Monogr. Phan. 6: 495. 



1889. Based on A. torreyanus Steud. 

 Sorghum saccharoides Kuntze, Rev. Gen. 



PI. 2: 792. 1891. Based on Andro- 

 pogon soxcharoides Swartz. 

 Andropogon saccharoides var. glaucus 



Scribm, Torrey Bot. Club Mem. 5: 28. 



1894. Based on A. glaucus Torr. 

 Amphilophis torreyanus Nash in Britton, 



Man. 71. 1901. Based on Andropogon 



torreyanus Steud. 

 Holcus saccharoides Kuntze ex Stuck., 



An. Mus. Nac. Buenos Aires 11: 48. 



1904. Presumably based on Andropogon 



saccharoides Swartz. 

 Holcus saccharoides var. laguroides Hack. 



ex Stuck., An. Mus. Nac. Buenos Aires 



11: 48. 1904. Presumably based on 



Andropogon laguroides DC 

 Amphilophis saccharoides Nash, N. Amer. 



Fl. 17: 125. 1912. Based on Andropo- 

 gon saccharoides Swartz. 

 Bothriochloa saccharoides Rydb., Brittonia 



1: 81. 1931. Based on Andropogon 



saccharoides Swartz. 

 Bothriochloa laguroides Herter, Rev. Suda- 



mer. Bot. 6: 135. 1940. Based on 



Andropogon laguroides DC. 

 (8) Andropogon scoparius Michx., Fl. Bor. 



Amer. 1: 57. 1803. Carolina, Michaux. 

 Andropogon purpurascens Muhl. in Willd., 



Sp. PI. 4: 913. 1806. North America 



[type received from Muhlenberg]. List- 

 ed by Muhlenberg in Amer. Phil. Soc. 



Trans. 4: 237. 1799. "Clayton 602" 



cited but without description. 

 Andropogon flexilis Bosc ex Poir. in Lam., 



Encyl. Sup. 1: 583. 1810. North 



America, Bosc [type, Carolina]. 

 Pollinia scoparia Spreng., PI. Pugill. 2: 



13. 1815. Based on Andropogon sco- 

 parius Michx. 

 Andropogon halei Wood, Class-book ed. 



1861. 809. 1861. [Louisiana, Hale.] 

 Andropogon scoparius subsp. genuinus 



Hack, in DC, Monogr. Phan. 6: 384. 



1889. Based on A. scoparius Michx. 

 Andropogon scoparius subvar. flexilis 



Hack, in DC, Monogr. Phan. 6: 384. 



1889. Based on A. flexilis Bosc. 

 Andropogon scoparius subvar. caesia. 



Hack, in DC, Monogr. Phan. 6: 384. 



1889. No locality cited. (Plants with 



pruinose sheaths.) 

 Andropogon scoparius subvar. serpeniinus 



Hack, in DC, Monogr. Phan. 6: 384. 



1889. No locality cited. (Plants with 



strongly flexuous rachis.) 

 Andropogon scoparius subvar. simplicior 



Hack, in DC, Monogr. Phan. 6: 384. 



1889. No locality cited. (Sparingly 



branching plants.) 

 Sorghum scoparium Kuntze, Rev. Gen. 



