92 



RUMPH IUS'S HERBARIUM AMBOINENSE 



Panicum polystachion Linn., the former based on "Gramen cari- 

 cosum vulpinum" the latter on Vol. VI "t. 7, f. 2B," and er- 

 roneously reduced in Index Kewensis to Andropogon caricosum 

 L. Both Linnean specific names are invalid in Setaria, although 

 both are much older than Panicum flavum Nees. By Burman 

 f., Fl. Ind. (1768) 24, it was considered under Panicum poly- 

 stachion Linn., and it was also so considered by Loureiro, Fl. 

 Cochinch. (1790) 46. The species is very generally considered 

 to be a synonym of Setaria glauca (Linn.) Beauv., but is ap- 

 parently distinct. 



SETARIA ITALICA (Linn.) Beauv. Agrost. (1812) 51. 

 Panicum italicum Linn. Sp. PI. (1753) 56. 



Panicum indicum Rumph. Herb. Amb. 5: 202, t. 75 bis, f. 2. 



The figure is a good representation of one of the commonly 

 cultivated forms of this species, with the addition of the panicle 

 of another form. It was reduced to Panicum italicum by Lin- 

 naeus in Stickman Herb. Amb. (1754) 20, repeated in Amoen. 

 Acad. 4 (1759) 130, Syst. ed. 10 (1759) 870, Sp. PL ed. 2 (1762) 

 83; followed by Burman f., Fl. Ind. (1768) 24, Loureiro, FL 

 Cochinch. (1790) 46, Willdenow, Sp. PI. 1 (1797) 336, and other 

 authors. For a critical botanical consideration of the numerous 

 varieties and forms of Setaria italica see Hubbard in Am. Journ. 

 Bot. 2 (1915) 169-198. 



THUAREA Persoon 



THUAREA INVOLUTA (Forst.) R. Br. ex Steud. Nomencl. ed. 2, 2 (1841) 



682. 



Ischaemum involutum Forst. Prodr. (1786) 73. 

 Thuarea sarmentosa Pers. Syn. 1 (1805) 110. 

 Gramen roris (litoreum) Rumph. Herb. Amb. 6: 13. 

 Amboina, Hatiwe, along the strand, Robinson PL Rumph. Amb. 51, 

 September 4, 1913. 



The description is very short, and the identification has been 

 made chiefly from the indicated habitat. Hasskarl refers here 

 Gramen roris as described on page 12 and is perhaps correct 

 in doing so. R. Brown, Prodr. (1810) 197, does not publish 

 Thuarea involuta as currently indicated in botanical literature, 

 but merely indicates that Ischaemum involutum Forst. pertains 

 to the genus Thuarea. 



SPINIFEX Linnaeus 



SPINIFEX LITTOREUS (Burm. f.) Merr. in Philip. Journ. Sci. 7 (1912) 

 Bot. 229. 



Stipa littorea Burm. f. Fl. Ind. (1768) 29. 

 Stipa spinifex Linn. Mant. 1 (1767) 84. 



