HEXANDRIA. xli 



kidney-shaped, juicy leaves and greenish llowers : whole 

 plant acid. PERSICARIA TRIBE. P. 537. 



ORDER III. TRIGYNIA. Pistils. 



24. EUMEX. Seed 1, 3-cornered. Herbaceous plants 

 with astringent leaves, which have sheathing stipules, 

 reddish stems, and panicled, green flowers. PERSICARIA 

 TRIBE. P. 537. 



25. TOFIELDIA. Flowers with a 3-lobed bract at the 

 base of each stalk. A humble mountain-bog plant, with 

 sword-shaped leaves and yellowish, spiked flowers. 

 MEADOW-SAFFRON TRIBE. P. 620. 



26. TRIGLOCHIN. Sepals 6 ; carpels 3 6, 1 -seeded. 

 Sea-side or marsh plants, with linear fleshy leaves, 

 and slender spikes of inconspicuous green flowers. 

 ARROW-GRASS TRIBE. P. 634. 



27. COLCHICUM. Perianth funnel-shaped, with a very 

 long tube, coloured. A bulbous-rooted plant, with, 

 broad leaves which wither before the flowers appear, 

 and large, handsome, light-purple flowers. MEADOW- 

 SAFFRON TRIBE. P. 620. 



28. ELATIN& Sepals 3 ; petals 3 ; capsule 3-valved. 

 A minute aquatic plant, with rooting stems and oppo- 

 site leaves. WATER- WORT TRIBE. P. 86. 



ORDER IY. HEXAGYNIA. 6 Pistils. 



29. ACTINOCARPUS. An herbaceous aquatic, remark- 

 able for the star-like arrangement of its carpels. WATER- 

 PLANTAIN TRIBE. P. 631. 



ORDER Y. POLYGYNIA. Many Pistils. 



30. ALISMA. Herbaceous aquatics with smooth leaves 

 and lilac flowers, each containing 3 sepals and 3 petals. 

 WATER-PLANTAIN TRIBE. P. 631. 



