2 UANUNCULACE^E. 
Tr. II. ANEMONES. Fr. 1-seeded. Seed pendulous. Esti- 
vation imbricate. Leaves radical or alternate. 
2. Thalictrum. Cal. of 4 or 5 sepals. Pet. 0. Carp, not 
bursting, without awns. 
3. Anemone. Cal. petaloid, sep. 5 — 9- Pet. 0. Carp, not 
bursting, tipped with the persistent sometimes feathery styles, 
inserted upon a thickened hemispherical or conical recep- 
tacle. 
4. Adonis. Cal. of 5 sepals. Pet. 5 — 10, without a nec- 
tary. Carp, not bursting, without awns. 
Tr. III. RANUNCULEsE. Fr. 1-seeded. Seed erect (except 
in Myosurus). ^Estivation imbricate. Pet. with a nectari- 
ferous pore at their base. 
5. Myosurus. Cal. of 5 sepals, prolonged into a spur at the 
base. Pet. 5, with a filiform tubular claw. Carp, not 
bursting, closely imbricated upon a lony filiform receptacle. 
Seed pendulous. Embryo inverted with the radicle supe- 
rior. 
6. Ranunculus. Cal. of 5, rarely 3, sepals. Pet. 5, rarely 
numerous : nectariferous pore naked or covered by a scale. 
Carp, not bursting, collected into a globular or elliptical 
head. 
Tr. IV. HELLEBORES. Fr. many-seeded, bursting. ^Esti- 
vation imbricate. 
7. Caltha. Cal. of 5 petaloid deciduous sepals. Pet. 0. 
Caps. 5 — 10, many-seeded. 
8. Trollius. Cal. of 5 or many petaloid deciduous sepals. 
Pet. small, linear, fiat, clawed. Caps, numerous, sessile. 
[9. Eranthis. Cal. of 5 — 8 petaloid deciduous sepals. Pet. 
small, tubular, with a long claw, 2-lipped, inner lip very 
short. Caps, numerous, stalked.} 
10. Helleborus. Cal. of 5 petaloid persistent sepals. Pet. 
small, tubular, 2-lipped, clawed. Caps. 3 — 10 sessile. 
1 1. Aquilegia. Cal. of 5 petaloid deciduous sepals. Pet. 5, 
funnel-shaped, with a long hornlike spur. Caps. 5. 
12. Delphinium. Cal. of 5 petaloid deciduous sepals, supe- 
rior sep. with a long spur at the base. Pet. 4, 2 upper ones 
with spurs included in the spurred sepal, or all combined into 
one spurred petal. Caps. 1, 3 or 5. 
13. Aconitum. Cal. of 5 petaloid sepals, upper one helmet- 
shaped. Two upper pet. tubular, on long stalks, concealed in 
the helmet-shaped sepal. Caps. 3 — 5. 
