CYPERACEAE , 107 
4. Rachilla of spikelet deciduous; spikelets crowded in sessile, glo- 
DOGO OE OVOIE MOMUO.S oti te med rete ntea dene t Sheds catmecsloce ee 1. Kyllinga 
4. Rachilla persistent long after the glumes have fallen. 
5. Nut laterally compressed..........0c.cecnscosessssnccesbecnssccncnenesoey 2. Pycreus 
6. Nut. dorsally compressedh.......-:.<....:-croseecesneesnensarssasenseece 3. Juncellus 
3. Style 3-fid. 
4. Rachilla of spikelet persistent......,.......-..2...icecsseccaecsse-nsenere 4. Cyperus 
4. Rachilla deciduous. 
5. Rachilla breaking at the lower node only.................. 5. Mariscus 
5. Rachilla breaking up into several 1-seeded joints.. 6. Torulinium 
2. Flowering glumes many, spirally arranged. 
8. Style-base constricted or jointed above the nut; leaves all basal or 
wanting, except the leaf-like floral bracts. 
4. Hypogynous bristles present; leaves none.................... 7. Eleocharis 
4. Hypogynous bristles none; leaves usually present.. 8. Fimbristylis 
3. Style-base passing gradually into the nut. 
4. Hypogynous bristles 0 to 6, linear; leaves glabrous........ 9. Scirnus 
4, Hypogynous bristles 3 or 6, the inner ones broadly obovate; leaves 
Tat gba MOS ES SY LE CRBs ERT A ULES RS" 2 PE SR xa Jb 10. Fuirena 
4. Hypogynous scales 2, enclosing the nut; glumes with spreading 
tips; inflorescence of a single spikelet.................... 11. Lipocarpha 
2. Flowering glumes 1 or 2, with several lower empty ones and several 
upper empty or male ones; style 2-fid..........2....00....... 12. Rynchospora 
1. Spikelets 1-sexual or with 1 basal female flower and 1 or more male 
or empty glumes; nut bony, globose, usually white and shining. 
2. Nut smooth, verrucose, tessellated, or tuberculate; glumes entire, 
Ea i AL AeA bs IER be BE A) Sn Det TCE ED GOLD ig Se aes Rep Se EELE 13. Scleria 
2. Nut longitudinally fluted; glumes 3-fid, with 3 to 5 nerves. 
14. Diplacrum 
1, KYLLINGA Rottboell 
Erect, tufted or scattered, the stems simple, leafy below only, terminated 
by 1 to 3 capitate sessile spikes, subtended by about 3, leaf-like, spreading 
bracts. Spikes ovoid to cylindric, dense. Spikelets numerous, compressed; 
glumes 4 or 5, distichous, the rachilla breaking above the two lower empty 
glumes; third*glume bearing a perfect flower; fourth male or empty, the 
fifth rudimentary or none. Nut. laterally compressed; style linear, base 
continuous with the nut, the branches 2, linear. (In honor of .P. Kylling, a 
Danish botanist.) 
Species 30 or more in most warm and hot countries, 5 or 6 in the 
Philippines. 
1. Heads green; nut-bearing glume -not winged along the upper one-half 
COI Seated Ulin ria wel patie Mi leek. alia aM 1. K. brevifolia 
1. Heads white; nut-bearing glume winged along the upper one-half of 
wo Ao) nial anptem caren rote ip a peti ems Diab 6 Pact bait aid 2. K. monocephala 
1. K. brevifolia Rottb. 
Stems slender, glabrous, 10 to 50 cm high, usually scattered, from slender 
creeping root-stocks. Leaves narrow, 3 to 10 cm long, less than 3 mm 
wide, the bracts similar, spreading. Spikes mostly solitary, ovoid, green, 
8 mm long or less. Spikelets very numerous, lanceolate, acuminate, about 
38 mm long, keel of the flowering glume not winged. Nut about 1 mm 
long, compressed. 
