293 
CYPERACEAE. 
Key to genera. 
1. Flowers bisexual is ud d 2. 
Flowers unisexual ys ie vos 17. 
2. Flowering glumes many 3 
Flowering glumes 1 or 2 13 
3. Glumes distichous 4 
emus eT arranged 8 
4. Style 2-fid 5 
Se 4 a 7 
5. Rachilla persistent 6. 
Rachilla deciduous 5. Kyllingia. 
6. Nut laterally compressed 1. Pycreus. 
Nut dorsally compressed 2. Juncellus. 
7. Rachilla persistent 3. Cyperus. 
Rachilla deciduous 4. Mariscus. 
8. Style base constricte d or articulate 
mom the nut ; leaves basal ; flowers 
belled 9. 
Style base passing gradually into nut iL 
9. Hypogynous scales iio: leaves 
wanting a 6, Eleocharis. 
Hypogynous scales wantin 10. 
ped 
© 
A Eee base Mis ied or deciduous, leav- 
wy 
ing n sa . Fimbristylis. 
Style Ten deciduous leaving protr ading 
scar; leaves with long white hairs 8. Bulbostylis. 
11. H ypogynous sicud 0, or linear entire 9. Scirpus. 
See Es us scales or all of them 
12. 
12. Scalia ys or 6, inner broadly obovatd .. 10. Fuirena. 
Scales 2, hyalin Pisses c 12. Lipocarpha. 
13. Style 2-fid re s. 15. Rynchospora. 
Style 3-fid e i 14. 
14. Spikelets pani icled 15. 
P 
moe in digitate dense sylindrie ‘ 
: spi 14. Remirea. 
15. Spikelets 1- 7-flowered, lowest flower 
alone perfect 17. Cladium. 
Spikelets 1-2-flowered, upper flower 
alone pe 16. 
16. Hypogynous palei long e ... 16. Lepidosperma. 
Hypogynous scales wanting ... .. 17. Gahnia. 
17. Nut naked = bee oe 
Nut enclosed in ‘utricle . Kes 2.741 Car 
18. Spikes corymbose x n. Hypo ytrum. 
ikes paniculate : js ris 
19. Leaves present . m as: i ^d 
Plant oni leaves ..: 13. Lepironia. 
20. Flowers in small sessile axillary « ‘clusters 20. Diplacrum. 
Flowers in terminal panicles 19. Scleria. 
