MANUAL OF THE GRASSES OF THE UNITED STATES 875 



(23) LAMARCKIA Moench 



(1) Lamarckia aurea (L.) Moench, Meth. PI. 201. 1794. Based on Cynosurus 

 aureus L. 



Cynosurus aureus L., Sp. PL 73. 1753. Europe. 



Chrysurus cynosuroides Pers., Syn. PI. 1: 80. 1805. Based on Cynosurus 

 aureus L. 



Chrysurus aureus Beauv.; Spreng., Syst. Veg. 1: 296. 1825. Based on Cyno- 

 surus aureus L. 



Achyrodes aureum Kuntze, Rev. Gen. PI. 2: 758. 1891. Based on Cynosurus 

 aureus L. 



(130) LASIACIS (Griseb.) Hitchc. 



(1) Lasiacis divaricata (L.) Hitchc., Contrib. U.S. Natl. Herb. 15: 16. 1910. 



Based on Panicum divaricatum L. 



Panicum divaricatum L., Syst. Nat. ed. 10. 2: 871. 1759. Jamaica, Browne. 

 Panicum bambusioides Desv.; Hamilt., Prodr. PI. Ind. Occ. 10. 1825. Puerto 



Rico. 

 Panicum chauvinii Steud., Syn. PL Glum. 1: 68. 1854. Guadeloupe, Duchais- 



Panicum divaricatum var. stenostachyum Griseb., Fl. Brit. W. Ind. 551. 1864. 

 Jamaica, Alexander, Wilson, March [type]. 



(112) LEERSIA Swartz 



(4) Leersia hexandra Swartz, Prodr. Veg. Ind. Occ. 21. 1788. Jamaica, Swartz, 

 Asprella hexandra Beauv., Ess. Agrost. 2, 153. 1812. Based on Leersia 



hexandra Swartz. 

 Leersia mexicana H.B.K., Nov. Gen. and Sp. 1: 195. 1816. Mexico, Humboldi 



and Bonpland. 

 Asprella mexicana Roem. and Schult., Syst. Veg. 2: 267. 1817. Based on 



Leersia mexicana H.B.K. 



Leersia contracta Nees, Agrost. Bras. 516. 1829. Brazil, Sellow. 

 Leersia elongata Willd.; Trin., Mem. Acad. St. Petersb. VI. Sci. Nat. 3 1 : 172. 



1840, as synonym of L. mexicana H.B.K. 

 Oryza hexandra Doell, in Mart., FL Bras. 2 2 : 10. 1871. Based on Leersia 



hexandra Swartz. 

 Oryza mexicana Doell, in Mart., Fl. Bras. 2 2 : 10o 1871. Based on Leersia 



mexicana H.B.K. 



Leersia gouinii Fourn., Mex. PL 2: 2. 1886. Vera Cruz, Mexico, Gouin. 

 Homalocenchrus gouinii Kuntze, Rev. Gen. PL 2: 777. 1891. Based on Leersia 



gouinii Fourn. 

 Homalocenchrus hexandrus Kuntze, Rev. Gen. PL 2: 777. 1891. Based on 



Leersia hexandra Swartz. 

 Leersia dubia Areschoug, Svensk Freg. Eugenics Resa 1910: 115. 1910. 



Ecuador, Andersson. 

 (1) Leersia lenticularis Michx., FL Bor. Amer. 1: 39. 1803. lUinois, Mi- 



chaux. 

 Asprella lenticularis Beauv., Ess. Agrost. 2, 153. 1812. Based on Leersia 



lenticularis Michx. 

 Zizania lenticularis Michx.; Beauv., Ess. Agrost. 182. 1812. Name only, 



doubtless error for Leersia lenticularis Michx. 



Leersia ovata Poir., in Lam., Encycl. Sup. 3: 329. 1813. North America. 

 Asprella ovata Roem. and Schult. Syst. Veg. 2: 267. 1817. Based on Leersia 



ovata Poir. 

 Homalocenchrus lenticularis Kuntze, Rev. Gen. PL 2: 777. 1891. Based on 



Leersia lenticularis Michx. 

 Homalocenchrus ovata Kuntze, Rev. Gen. PL 2: 777. 1891. Based on 



Leersia ovata Poir. 

 Endodia lenticularis Raf.; Jacks., Ind. Kew. 2: 840. 1893, as synonym of 



Leersia lenticularis Michx. 



(5) Leersia monandra Swartz, Prodr. Veg. Ind. Occ. 21. 1788. Jamaica, 

 Swartz. 



Asprella monandra Beauv., Ess. Agrost. 2, 153. 1812. Based on Leersia 

 monandra Swartz. 



