aa 
In open places especially near the sea, fl. all the year; in maritime dis- 
tricts throughout the Philippines. All warm regions. 
CYPERACEAE 117 
‘9. F. barbata (Rottb.) Benth. (Bulbostylis barbata Kunth). 
A very slender, densely tufted annual 5 to 25 em high. Leaves num- 
erous, filiform, much shorter than the stems, the sheaths with few to many 
long white hairs. Spikelets few to many, brownish, about 3 mm long, 
crowded in dense, globose, solitary heads 3 to 7 mm in diameter, each head 
subtended by usually two filiform leaves, one much longer than the other. 
In open, dry grass lands, railroad grades, etc., fl. Aug.—Jan.; throughout 
the Philippines. Warmer parts of the world. 
10. F. miliacea (L.) Vahl. 
A tufted, slender, glabrous, rather flaccid annual 40 to 60 em high, 
the leaves basal, distichous, up to 40 cm in length. Umbels decompound, 
rather lax and diffuse, 6 to 10 cm long. Spikelets small, obtuse, globose, 
2 to 2.5 mm long, pale or brown, mostly slenderly pedicelled, some sessile. 
Nuts obovoid, 0.5 mm long. Style 3-fid. 
In open wet grass lands, old rice fields etc., common, fl. throughout the 
year; widely distributed in the Philippines. All warm countries. 
11. F. monostachya (L.) Hassk. 
A tufted glabrous plant, the stems slender, leafy at the base, 10 to 40 
em high. Leaves usually as long as the stem, filiform. Spikelet terminal, 
usually solitary, ovoid, 5 to 10 mm long or more, the lower glumes dis- 
tichous, the upper ones spiral, ovate, acuminate, 4 mm long, the keel 
green, the sides shining, straw-colored. Nut obovoid, pale, 2 mm long, 
tuberculate. 
In open grass lands, San Pedro Macati, fl. July-Sept.; widely distributed 
in the Philippines. All warm regions. 
9. SCIRPUS Linnaeus 
Tufted or scattered, glabrous. Stems slender or coarse, 3-angled or 
terete. Spikelets many-flowered, in terminal corymbs or in lateral heads, 
the latter sometimes reduced to single spikelets. Hypogynous bristles 
present or wanting. Style 2- or 3-fid. Nut 3-angled or plano-convex. 
(Latin name for the rush.) 
Species about 125 in all parts of the world, about 8 in the Philippines. 
1. Inflorescence a terminal corymb; coarse plants 1.5 to 2 m high with 
STE ea, MPO NORE Aen. Se EM 1. S. grossus 
1. Inflorescence lateral, capitate or reduced to few or 1 spikelets. 
BN SB RTT ES ane pee Pe eaneee er, LAOee may 2. S. mucronatus 
2. Stems terete. 
3. Heads of the lower part of the stems.......................-.... 3. S. articulatus 
3. Heads on the upper part of the stems. 
4. Hypogynous bristles none.................... AA IRE Sh. 4. S. supinus 
4, Hypogynous bristles present... o.0ooooeoeecee eee 5. S. erectus 
1. S. grossus L. f. 
A very coarse, erect, glabrous perennial, the stems triangular 1.5 to 
2 m high, the leaves basal, often half as long as the stem, 1 to 2 cm wide, 
the leaf-like bracts subtending the inflorescence, spreading, broad, 30 to 60 
em long. Inflorescence corymbose, 10 to 18 cm long. Spikelets very nu- 
merous, brown, ovoid, 5 to 8 mm long. 
