Xl HEXANDRIA. 



'r Calyx in 12 divisions, 6 alternately 



3. PEPLIS. J smaller. Herbaceous marsh plants, 



4. LYTHRUM. j with opposite leaves and 4-cornered 



v. stems. LOOSESTRIFE TRIBE. P. 219. 



** Perianth single, superior. 



K Y / r Plants with bulbous roots and 



* p J showy flowers, which before expan- 



b. ITALANTHUS. S sion are enclosed in a sheath. AMA- 



7. NARCISSUS. ( RYLLIS TEIBK R 59a 



-**# p er l an th single, inferior. 



8. ASPARAGUS. 9. CONVALLARIA. 10. POLYGON A- 

 TUM. 11. AGRAPHIS. 12. SCILLA. 13. ORNITHOGALUM. 

 14. ALLIUM. 15. GAGEA. 16. TULIPA. 17. FRI- 

 TILLARIA. Perianth of 6 petals, or 6-cleft ; anthers 

 bursting inwards. Herbaceous plants often with bulb- 

 ous roots, bearing showy or (in ASPARAGUS) small green 

 flowers. LILY TRIBE. P. 607. 



Sepals or petals 6, chaffy; 

 filaments downy. Mostly marsh 

 plants with pithy or jointed 



18. JUNCUS. 



19. LUZULA. 



20. NARTH^CIUM. 



leaves and greenish flowers ; but 

 NARTH^CIUM has yellow flowers 

 and sword- shaped leaves, and 

 LUZULA hairy, grass-like leaves. 

 EUSH TRIBE. P. 622. 



21. ACORUS. Flowers sessile on a long central 

 column or spadix. An aquatic plant, the sword-shaped 

 leaves of which are fragrant when crushed. CUCKOO- 

 PINT TRIBE. P. 39. 



22. POLYGONUM. Perianth 5-cleft ; seed 1. Herba- 

 ceous plants with alternate leaves and sheathing stipules. 

 PERSICARIA TRIBE. P. 537. 



ORDER II. BIGYNIA. 2 Pistils. 



23. OXYRIA. An alpine, herbaceous plant, with 



