204 THE VOYAGE OF H.M.S. CHALLENGER. 



second species of the same genus ;, both from the Arrou Islands. There is also what appears 

 to be an Aglaonema from the same islands, and a large fruit-bearing specimen of an Aroid 

 from Ki. 



NAIADACE.E. 

 Zostera nana, Eoth. 



Zostera nana, Roth. ; Kunth, Enum. PL, iii. p. 19; Benth., Fl. Austr., vii. p. 176. 

 Zostera muelleri, Irmisch; Aschers. in Linnaea, xxxv. p. 168. 



Arrou. — Coasts of Southern Australia, Tasmania, and New Zealand, as well as in the 

 northern hemisphere in the Old World. 



CYPERACE^E. 

 Cyperus ferax, A. Rich. 



Cyperus ferax, A. Rich. ; Benth., Fl. Austr., vii. p. 286 ; Clarke in Journ. Linn. Soc. Lond., xx. p. 

 295, et xxi. p. 191. 



Timor Laut. — Widely spread over the tropics, both in America and the Old World. 



Cyperus pennatus, Lam. 



Cyperus pennatus, Lam. ; Benth., Fl. Austr., vii. p. 284 ; Miq., Fl. Ind. Bat., iii. p. 281 ; Seem., Fl. 

 Vit., p. 319; Nadeaud, Enum. PL Tahiti, p. 33. 



Timor Laut. — Widely spread in Tropical Asia and Polynesia ; also in Australia and 

 the Seychelles. It is a sea-shore plant. 



GRAMINE/E. 

 Panicum sanguinale, Linn. 



Panicum sanguinale, Linn.; Benth., Fl. Austr., vii. p. 469 ; Seem., Fl. Vit., p. 325 ; Nadeaud, Enum. 



PL Tahiti, p. 31. 

 Digitaria sanguinalis, Scop. ; Miq., FL Ind. Bat., iii. p. 437. 



Timor Laut. — This grass is found almost everywhere in tropical and subtropical countries. 



Setaria macrostachya, H.B.K. 



Setaria macrostachya, H.B.K., Nov. Gen. et Sp., i. p. 110; Benth., FL Austr., vii. p. 493. 

 & taria italica, Miq., Fl. Ind. Bat., iii. p. 467, non Beanv. ? 



Timor Laut. — Common in many parts of Tropical America ; also occurring in India, 

 but less commonly, according to Bentham, and in Eastern Australia. 



Setaria verticillata, Beauv. 



Setaria verticillata, Beauv., Agrost, p. 51 ; Kunth, Enum. PL, i. p. 152 ; Benth., Fl. Austr., vii. p. 494. 

 Timor Laut. — Almost universally dispersed, as a weed of cultivation, in warm and 

 temperate countries. 



