10. CYPERACEAE. 



9. Glumes 2 ranked. Spikelets usually in heads or umbels. 10. 

 Glumes spiral. Spikelets usually in spikes or panicles. I4. 



10. Style 2 branched. 11. 



Style 3 branched. 13. 



11. Spikelet bearing several nuts. Nuts compressed dorsally. 



3 JUNCELLUS. 

 Nuts compressed laterally. I2. 



12. Spikelet bearing 1 — 2 (rarely more) nuts. 1 KYLLINGA. 

 Spikelet bearing several or many nuts. 2 PYCREUS. 



13. Rachilla of spikelets persistent. 4 CYPERUS. 



Rachilla of spikelet breaking up. 5 MARISCUS. 



14. Style conspicuoush^ thickened at the base. 15. 

 Style not or slightly thickened at the base. 17. 



15. Hypogynous bristles 3 — 8. Base of style persistent. 



6 ELEOCHARIS. 

 Hypogynous bristles none. 16. 



16. Style persistent or, if deciduous, not leaving a button on the 



nut. 7 FIMBRISTYLIS. 



Style deciduous, leaving a button on the nut. 



8 BULBOSTYLIS. 



17. Flowers w^ith a toothed or lobed, persistent disc at the base 



of the ovary. 10 FICINIA. 



Flowers without a disc. 18. 



18. Glumes hairy. 11 FUIRENA. 

 Glumes glabrous. 9 SCIRPUS. 



1. KYLLINGA Rottb. 



1. alba Nees. Coast vleis. 



alba var alata C.B.CI. Coastbelt. Margins of bush. 



2. buchanani C.B.CI. Umzula. 



3. cylindrica Nees. Inanda vleis. 



4. elatior Kth. Common. Coast and Midlands. Vleis. Used 

 by natives for making mats. "umXozane." 



5. erecta Schumach. Coast and Midland vleis. Common. 



6. lehmanni Nees. Coast vleis. 



7. melanosperma Nees. Coast and Midland vleis. Common. 



8. pauciflora Ridley. 



2. PYCREUS. Beauv. 



1. angulatus Nees. Midland vleis. 



2. chrysanthus C.B.CI. 



3. elegantulus C.B.CI. Coastbelt vleis. 



4. ferrugineus C.B.CI. Coast and Milland vleis. Common. 



5. flavescens Reichb. Mountain regions. 



6. macranthus C.B.CI. Coast to Drakensberg. 



7. mundii Nees. Coast and Midland vleis. 



8. oakfortensis C.B.CI. Coast and Midland vleis. 



9. polystachyus Beauv. Coastbelt vleis. 

 polystachyus var laxiflora Bth. Coastbelt vleis. 



