102 A FLORA OP MANILA 



tracted or somewhat open, the branches slender, usually fascicled, often 

 up to 12 cm long. Spikelets pedicelled, very numerous,' pale, 2 to 8 mm 

 long, the flowering glumes 6 to 10, about, 1 mm long. 



•In open wet lands near San Pedro Macati, fl. Sept.-Dec; widely dis- 

 tributed in the Philippines. Tropical Asia, Africa, and Malaya. 



5. E. unioloides (Retz.) Nees. 



An annual, erect, tufted ot somewhat scattered, rather slender, glabrous 

 grass 20 to 40 cm high. Leaves narrowly lanceolate, acuminate, flat, 5 to 

 9 cm long, 5 mm wide or less. Panicles exserted, oblong-ovoid, lax, open, 

 8 to 16 cm long, the branches slender, simple, solitary, distant, the lower 

 ones about 5 cm long. Spikelets long-pedicelled compressed, oblong-ovate 

 or broadly ovate, 5 to 10 mm long, usually purplish. Flowering glumes 

 numerous, about 2 mm long, falling away from the base upward, the 

 rachilla tough, persistent. 



On ledges along streams, Masambong, fl. Nov.-Feb. ; occasional in similar 

 habitats in Luzon. Widely distributed in tropical Asia, introduced in 

 Florida. 



6. E. distans Hack. 



A very slender, erect, loosely tufted, annual grass, 20 to 40 cm high. 

 Leaves 5 to 10 cm long, 2 mm wide or less. Panicles pale, lax, erect, 10 

 cm long or less, the branches few, solitary, distant, more or less spreading, 

 pale. Spikelets rather few, scattered, pedicelled, linear or oblong-linear, 

 1 to 1.5 cm long, the flowering glumes 20 to 40, about 2 mm long. 



In open dry grass lands, La Loma to San Pedro Macati, fl. Nov^-Feb. 

 Known only froni Luzon. 



7. E. PILOSA (L.) Beauv. 



A tufted, slender, erect annual 15 to 50 cm high, the stems usually 

 somewhat geniculate below. Leaves 5 to 12 cm long, 2.5 mm wide or less. 

 Panicles lax, erect or somewhat nodding, 8 to 15 cm long, the branches 

 slender, the lovrer ones fascicled, up to 8 cm long. Spikelets long-pedi- 

 celled, 4 to 6 mm long, 9- to 13-flowered, the flowering glumes 1 to 1.2 mm 

 long. 



Waste places, Cementerio del Norte, apparently of recent introduction, 

 fl. Aug.-Nov. In most warm countries. 



8. E. elegantula (Kunth.) Steud. 



A tufted, somewhat rigid, perennial grass about 1 m high, more or less 

 glaucous. Leaves 10 to 15 cm long, 2.5 to 5 mm wide, acuminate. Panicles 

 somewhat nodding, rather lax, 7 to 20 cm long, the branches solitary, naked 

 below. Spikelets numerous, long-pedicelled, scattered, oblong, about 7 

 mm long, plumbeous, each with from 10 to 16 flowers, the flowering glumes 

 nearly 2 mm long. 



In open grass lands, Caloocan to Masambong, fl. all the year; widely 

 distributed in the Philippines. Tropical Asia through Malaya to Australia. 



9. E. spartinoides Steud. 



A rather densely tufted, slender but somewhat stiff perennial 15 to 60 

 cm high. Leaves 4 to 10 cm long, 2 to 4 mm wide, usually involute when 

 dry. Panicles slender, strict, 5 to 10 cm long, of distant, solitary, short, 

 usually appressed branches, the branches densely flowered, 2 cm long or 

 less.' Spikelets appressed, sessile, 4 to 15 on each branch, 5 to 9 mm long, 

 the flowering glumes 8 to 16, about 1.5 mm long. 



