802 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



(25) Aristida wrightii Nash, in Small, Fl. Southeast. U.S. 116. 1903. Dallas, 

 Tex., Reverchon 1061. 



(58) ARRHENATHERUM Beauv. 



(1) Arrhenatherum elatius (L.) Mert. and Koch, in Roehl., Deut. Fl. 1: 546. 



1823. Based on Avena elatior L. 

 Avena elatior L., Sp. PI. 79. 1753. Europe. 

 Holcus avenaceus Scop., Fl. Cam. ed. 2. 2: 276. 1772. Based on Avena 



elatior L. 

 Avena elata Salisb., Prodr. Stirp. 23. 1796. Not A. elata Forsk., 1775. 



Based on A. elatior L. 

 Arrhenatherum avenaceum Beauv., Ess. Agrost. 55, 152, 164. pi. 11. f. 5. 1812. 



Based on Holcus avenaceus Scop. 

 Arrhenatherum americanum Beauv., Ess. Agrost. 56, 152, 1812. Name only. 

 Hordeum avenaceum Wigg.; Beauv., Ess. Agrost. 165. 1812. Name only, 



referred to Arrhenatherum. Steud., Norn. Bot. 413. 1821, as synonym of 



Holcus avenaceus Scop. 

 Arrhenatherum elatius var. bulbosum (Willd.) Spenner, Fl. Friburg. 1: 113. 



1825. Based on Avena bulbosa Willd. 

 Avena tuberosa Gilib., Exerc. Phyt. 2: 538. 1790. France. 

 Avena bulbosa Willd., Ges. Naturf. Freund. Berlin Neue Schrift. 2: 116. 1799. 



Switzerland. 

 Holcus bulbosus Schrad., Fl. Germ. 1: 248. 1806. Based on Avena bulbosa 



Willd. 

 Holcus avenaceus var. bulbosus Gaudin, Agrost. Helv. 1: 136. 1811. Based on 



H. bulbosus Schrad. 

 Avena elatior var. bulbosa St. Amans, Fl. Agen. 47. 1821. Based on A. 



bulbosa Willd. 

 Arrhenatherum tuberosum Schultz, Pollichia 20-21: 272. 1863. Based on 



Avena tuberosa Gilib. 

 Avena elatior var. tuberosa Aschers., Fl. Brand. 1: 826. 1864. Based on 



A. tuberosa Gilib. 

 Arrhenatherum elatius var. tuberosum Thiel., Bull. Soc. Bot. Belg. 12: 184. 



1873. Based on Avena tuberosa Gilib. 



(144) ARTHRAXON Beauv. 



(1) Arthraxon hispidus var. cryptatherus (Hack.) Honda, Bot. Mag. Tokyo 

 39: 277. 1925. Based on A. ciliaris subsp. langsdorffii var. cryptatherus 

 Hack. 

 Arthraxon ciliaris subsp. langsdorffii var. cryptatherus Hack., in DC., Monogr. 

 Phan. 6: 355. 1889. Japan. 



(1) ARUNDINARIA Michx. 



(1) Arundinaria gigantea (Walt.) Chapm., Fl. South. U.S. 561. 1860. Pre- 

 sumably based on Arundo gigantea Walt. That name is not cited, but 



Arundinaria macrosperma Michx. is cited as synonym. 

 Arundo gigantea Walt., Fl. Carol. 81. 1788. South Carolina. 

 Arundinaria macrosperma Michx., Fl. Bor. Amer. 1: 74. 1803. Banks of 



Mississippi, Carolina, Florida, Michaux. 

 Miegia macrosperma Pers., Syn. PL 1: 102. 1805. Based on Arundinaria 



macrosperma Michx. 

 Ludolfia macrosperma Willd., Ges. Naturf. Freund. Berlin Mag. 2: 320. 1808. 



Based on Arundinaria macrosperma Michx. 

 Miegia gigantea Nutt., Gen. PI. 1: 39. 1818. "Alluvions of the Mississippi." 



Based (through Elliott) on Arundo gigantea Walt. 

 Arundinaria gigantea Nutt., Gen. PI. 1: 39. 1818, as synonym of Miegia 



gigantea Nutt. 

 Nasius macrospermus Raspail, Ann. Sci. Nat., Bot. 5: 442, 458. pi. 8. f . 1. 1825. 



Based on Arundinaria macrosperma Michx. 

 Arundinaria macrosperma var. arborescens Munro, Linn. Soc. Trans. 26: 15. 



1868. Based on A. macrosperma Michx. 

 Miegia arundinacea Torr.; Munro, Linn. Soc. Trans. 26: 15. 1868, as synonym 



of Arundinaria macrosperma var. arborescens. 

 Bambusa hermanni E. G. Camus, Bamb., Monogr. 36. 1913, horticultural 



name as synonym of Arundinaria macrosperma Michx. 



