JUNCACEAE 



221 



Leaves not provided with septa. 

 Flowers prophyllate. 



Inflorescence more than H tne height of the 



plant : 



Inflorescence less than \i the height of the plant. 



Inflorescence 1-3 flowered, usually 1 -flowered. 



Inflorescence more than 1-3 flowered, usually 



many flowered. 



Brown and greenish sepals incurved and 



obtuse. 

 Sepals acute or acuminate. 



Capsule reddish or castaneous, ex- 

 ceeding the calyx. 

 Capsule exceeded by the calyx. 

 Leaves flat. 



Inflorescence not conspicu- 

 spicuously secund; 

 bract exceeding the 

 inflorescence. 

 Auricles of the sheath 

 conspicuously ex- 

 tended beyond the 

 point of insertion. 

 Auricles of the sheath 

 not extending beyond 

 the point of insertion. 

 Inflorescence conspicuously 

 secund; inflorescence ex- 

 ceeding the bract. 

 Leaves terete. 



Capsules oblong; bract some- 

 what exceeding inflores- 

 cence. 

 Capsule globose-ovoid; bract 

 much exceeding inflores- 

 cence. 

 Flowers eprophyllate. 



Heads 5-10 flowered; panicle of 2-20 heads. 

 Heads 2-5 flowered; panicle 20-100 heads. 

 Leaves provided with septa. 

 Leaves tuberculate. 

 Leaves not tuberculate. 

 Heads I -flowered. 

 Heads more than 1 -flowered. 



Plants with 2 kinds of leaves, submerged and 



erect. 

 Leaves all alike. 



Capsule subulate beaked. 



Leaf of inflorescence extending above 

 the flower cluster. 

 Stamens 3. 

 Stamens 6. 



6. J. bufonius. 



7. /. trifidus. 



8. /. Gerardi. 



9. J. Greenei. 



10. /. tenuis. 



11. J. Dudleyi. 



12. /. secundus. 



13. /. dichotomus. 



14. /. setaceus. 



15. J. marginalus. 



16. J. aristulatus. 



17. /. caesariensis. 



18. /. pelocarpus. 



19. /. militaris. 



20. J. nodosus. 



21. /. Torreyi. 



