1 44 Trilliaceae — Dioscoracese — Melanthacese. 



ORDER ']'], — Trilliaceae. 



Stem with i or 2 whorls of net-veined leaves. Sepals 3 — 5 lanceolate 

 Petals 3 — 5 filiform. Ovary superior. Fruit a berry. 



PAR'IS QUADRIFO'LIA (72). Herb-Paris. 5—6. Leaves 3—8 



(1424) (usually 4) ovato-oblong, sepals green acuminate, petals linear yellow, 



Stamens 6 — 12, connective much produced, berry black. Woods. 



ORDER 78.— Dioscoracese. 



Stem twining leafy, leaves alternate net-veined. Flowers small monoecious 

 in axillary racemes. Perianth superior. Stamens 6 inserted on the perianth- 

 segments. Ovary 3-celled. Styles 3 short. 



TA'MUS COMMU'NIS (69). Black Bryony. 5—6. Stem long twining, 

 (1388) leaves cordate acute, perianth \ in. diameter greenish-yellow. Hedges. 



ORDER 79. — Melanthaceae. 



Ovary superior. Perianth petaloid tubular 6-partite. Styles 3. Fruit a 

 3-valved capsule. Root bulbous. 



Corchicum autumna'le (40). Meadow Saffron. 8—10. Leaves radical 

 (1421) lanceolate, flowers pale purple solitary sessile on the corm, perianth- 

 tube long and slender, stamens inserted in the mouth of the perianth 

 included, anthers \ in. yellow. [G. T. C. CI. 



ORDER 80. — Hydrocharidacese. 



Aquatic herbs with aerial floating or submerged leaves opposite or whorled. 

 Flowers usually dioecious. Perianth 6-partite. Stamens 3 or 6 on the base 

 of the perianth-segments. Ovary inferior i- or many-celled. Stigmas 3—6. 



Leaves floating, 548 



Leaves erect, Stratiotes. 



548 Leaves orbicular, Hydrocharis, 



548 Leaves linear, Anacharis. 



\.— HYDROCHARIS. 



Hydrocharis Morsus-Ra'nse (47). Frog-bit. Plants floating, leaves orbicular 



(1324) I — iMn. diameter, flowers erect f — i in. diameter, sepals 3 narrow green, 



petals 3 obovate white, stamens 3 — 12, styles 6, stigmas bifid. [L. CI. 



