MANUAL OF THE GRASSES OF THE WEST INDIES 149 
Homalocenchrus grandifiorus Hitche., Contrib. U. S. Natl. Herb. 
73 PAB Mee 
Culms erect, without rhizomes, 1 to 2 m tall; blades 1 to 2 cm wide; 
panicles large’ and open, the slender branches about 15 cm long: 
spikelets 2 to 2.5 mm long. 
Shady banks and Beaders of streams, Mexico to Brazil; Guadeloupe 
and Martinique. 
LeEwaRD Istanps: Guadeloupe, Duss 3146. 
WINDWARD Istanps: Martinique, Duss 775. 
TRIBE 10. ZIZANIEAE 
62. LUZIOLA Juss.; Gmel., Syst. Nat. ed. 13. 2: 637. 1791 
Spikelets, unisexual, 1-flowered, disarticulating from the pedicel, 
the staminate and pistillate flowers in separate panicles on the same 
plant; both glumes wanting; lemma and palea about equal, thin, sev- 
eral to many nerved, lanceolate or oblong, acuminate; stamens 
several (‘6 to 18’’); stigmas long, plumose; grain free, elobose, smooth. 
Perennials with flat blades and terminal and axillary panicles. 
Blades 7 to 10 mm wide; inflorescence many-flowered-_-___-__ 3. L. SPRUCEANA. 
Blades 1 to 3 mm wide; inflorescence few-fiowered. 
Lee Pp aaa saw op ayent hs hee tse eee Beale ENN) 10 ale A. ee. Seek tera 2. L. BAHIENSIS. 
rite Symon longi 2 2 Sie Na NR Sk 1. L. PERUVIANA. 
1. Luziola peruviana Gmel., Syst. Nat. ed. 18.2: 637. 1791. Peru. 
More or less decumbent, spreading, apparently annual; culms 10 to 
30 cm long, blades flat, 1 to 2 mm wide; panicles spreading, 2 to 3 cm 
long; pistillate spikelets 2 to 3 mm long, with striate lemma and 
palea; fruit globose, smooth, a little more than 1 mm long; staminate 
spikelets 5 mm long (fig. 95). 
Swamps, shallow water, and wet ground, southern United States 
and Cuba to Uruguay and Peru. Grisebach*® records this species from 
Trinidad. 
Cuspa: Mordazo, Léon 5941. 
2. Luziola bahiensis (Steud.) Hitche., Contrib. U. S. Natl. Herb. 12: 
234. 1909. 
z Paioetion bahiensis Steud., Syn. Pl. Glum. 1: 5. 1854. Bahia, 
razil. 
Luziola alabamensis Chapm., Fl. South. U.S. 584. 1860. Alabama. 
Luziola longivalvula Doell, in Mart., Fl. Bras. 27:17. 1871. Brazil. 
Plants stoloniferous; culms slender, tufted, about 10 cm tall; blades 
flat, narrow, linear, elongate, 2 to 4 mm wide, gradually narrowed 
toward the base; staminate ‘panicles narrow terminating the main 
culm; spikelets about 4 mm long, striate-nerved; pistillate panicles 
open, the few branches spreading; spikelets 3 to 4 mm long, lanceo- 
late; fruit obscurely striate, 2 mm long (fig. 96). 
In streams or in mud, ‘Alabama and Greater Antilles to Brazil. 
Extremely variable in appearance according to the depth of water in 
which the specimen grew. Plants growing in places from which water 
has receded are low and widely creeping. 
39 Fl. Brit. W. Ind. 535. 1864. 
