ORYZE^. 



171 



36. (26). Phartjs p. P.r. Hist. Jamaic. 344 (1756). 



Spikelets 1-tlowored. nioncpcious, iu pairs on a spreading pani- 

 cle; one pedicellate and staminate, the other sessile and pistillate. 

 The two empty glumes membranous, many-nerved, the floral glume 

 in the staminate si)ikelets membranous, in the pistillate coriaceous. 

 Stamens 6. Stigmas 3. Grain enclosed, but not adherent. Leaf- 

 blades petioled, broad witli many straight nerves gradually diverg- 

 ing from a midrib. The pistillate spikelets 2-3 times as long as 

 the staminate. 



There are thought to be 5 species, belonging to tropical America, 

 from Florida to Brazil. 



1. P. glaber H. B. K. Nov. Gen. et Sp. 1: 196 (1815). P. la- 

 tifoliiis Trin. Griseb. Fl. Brit. Ind. 536 (1864). 



Culms 40-90 cm. high. Leaf- blades lanceolate-oblong, acumi- 

 nate, 15-30 cm. long, 3-6 cm. wide, small transverse nerves 

 numerous. Panicle spreading, 25 

 cm. long. Staminate spikelets on 

 pedicels as long as the pistillate 

 spikelets or shorter, oval, about 

 3 mm. long, glumes thin and 

 brittle; pistillate spikelets linear, 

 acute at both ends, 13 mm. long, 

 first and second glumes nearly 

 equal, 5-6 mm. long, 3-5-nerved; 

 fertile floret villous, the floral 

 glume involute, enclosing a nar- 

 row, 2-nerved palea of its own 

 length. 



Southern Florida, West Indies, 

 Venezuela, Brazil. 



37. (41). LuziOLA Juss. Gen. 

 PI. 33 (1789). CiinjocJiloa Trin. 

 Diss. 2 : 54 (1826). Arrozia 

 Schrad. Kunth, Enum. PI. 1 : 11 

 (1833). 



Spikelets ovate, small, unisexual, monoecious, 1-flowered, subses- 



FiG. Z^.—Pharus glabra. A, 

 nate spikelet; B, pistillate, 

 ardson.) 



staini- 

 (Rich- 



