116 A FLORA OF MANILA 



solitary, oblong-ovoid, 5 to 8 mm long, brownish. Glumes numerous, all 

 spirally arranged, oblong-ovate, obtuse, about 3 mm long. Nut obovoid, 

 obtuse, compressed, brown, smooth, 1 mm long. Style-arms 2. 



In open lands, especially near the sea or within the influence of salt 

 water, fl. all the year; widely distributed in the Philippines. Tropics of the 

 Old World. 



4. F. schoenoides (Retz.)~ Vahl. 



A tufted, slender, glabrous plant 15 to 50 cm high, the leaves basal, 

 numerous, usually much shorter than the stems, filiform. Spikelets few, 

 2 to 5 on each stem, peduncled, ovoid to oblong-ovoid, pale oi: brown, 1 to 

 1.5 cm long. Glumes broadly ovate, all spirally arranged, obtuse or slightly 

 mucronate, striate, about 4 mm long, all caducous from the base of the 

 spikelet upward. Nut obovoid, somewhat compressed, shining, stalked, 

 brownish, smooth, 1.5 to 2 mm long. Style-arms 2. 



In open grass lands, San Pedro Macati, fl. Nov.-Feb.; widely distributed 

 in the Philippines. India to China, Malaya, and Australia. 



5._F. corniculata Merr. 



A slender, tufted, annual plant, quite glabrous, the basal leaves few, 

 linear, 5 to 8 mm long, the leaves reduced to basal sheaths. Spikelets 

 brown, few, 3 to 8 mm long, 3 to 5 in a simple umbel, the central one sessile. . 

 Glumes 15 or less, brown, ciliate on the margins, retuse or rounded, the 

 keel prominent, excurrent as a stout awn. Nut obovoid, 0.5 mm long, 

 verruculose, black; style 3-fld. 



In open grass lands. La Loma, fl. Nov.-Dec; known only from this 

 locality. 



6. F. dipsacea (Rottb.) Benth. 



A slender, tufted, glabrous annual 8 to 20 cm high. Leaves short or 

 sometimes as long as the stems, capillary. Umbels simple or sometimes 

 compound mostly under 2 cm in diameter, of 2 or 3 to 8 or 10 spikelets, the 

 bracts filiform. Spikelets ovoid, dense, 3 to 5 mm long, the glumes aristate, 

 tips spreading. Nuts cylindric-oblong, brown, 0.5 mm long. Style-arms 2. 



On sandy mudbanks along the river near Pasig, fl. Feb.-Apr.; widely 

 distributed in the Philippines. Tropical Asia and Africa to Malaya. 



7. F. diphylla (Retz.) Vahl. 



An exceedingly variable, tufted, glabrous or somewhat pubescent plant 

 30 to 50 cm high. Leaves linear to filiform, basal, numerous, 10 to 30 cm 

 long, 1 to 3 mm wide. Umbels simple or compound, 3 to 7 cm long. 

 Spikelets pedicelled or some sessile, brown, ovoid, 6 to 8 mm long. Glumes 

 numerous, all spirally arranged, imbricate. Nut oblong-ovoid to obovate, 

 1 to 1.2 mm long, distinctly longitudinally striate. 



Common in open grass lands, otc, fl. all the year, exceedingly variable; 

 throughout the Philippines. All warm countries. 



8. F. ferruginea (L.) Vahl. 



A densely tufted, usually glabrous, sometimes slightly- pubescent plant, 

 the stems rather stiff, slender, 30 to 60 cm high. Leaves narrow, erect, 

 stiff, striate, short, or sometimes none, the sheaths only present. Umbels 

 simple or compound, usually contracted, 5 to 7 cm long. Spikelets brown, 

 5 to 20, all pedicelled or some sessile, about 1 cm long. Glumes very 

 numerous, ovate, 3 mm Unix, obtuse. Nuts obovoid, usually pale, or brown- 

 ish, compressed, smooth, about 1.2 mm long. Style villous below, arms 2. 



