4 i. ranunculacete. [ Clematis . 
3. Anemone. Calyx imbricated in aestivation. Petals 0. Involucre 
3-leaved, usually distant from the calyx. 
4. Aponis. Petals 5 — 10, without a nectariferous pore. 
5. Myosurus. Sepals prolonged at the base. Petals 5, with a nectari- 
ferous pore. 
6. Ranunculus. Sepals not prolonged at the base. Petals with a 
nectariferous pore. 
** Ovaries elongated, many-ovuled. Carpels several-seeded. Stamens 
numerous. 
t Stamens not arising from a glandular disk : anthers reversed ( extrorse ). 
Fruit of follicles. 
7. Caltha. Petals 0. 
8. Trollius. Petals linear, flat, 
8 a . Eranthis. Petals small, tubular. Follicles stalked. 
9. Helleborus. Petals small, tubular. Follicles sessile. 
10. Aquilegia. Petals 5, funnel-shaped, with a long spur. 
11. Delphinium. Upper sepal spurred at the base. Petals 4, irregular. 
12. Aconitum. Upper sepal helmet-shaped. Petals irregular. 
ft Stamens arising from a glandular disk : anthers introrse. Carpel 
solitary, baccate. 
13. Act.ea. Petals 4, irregular. 
tft Stamens arising from a glandular disk : anthers introrse. Folli- 
cles 2 — 5. 
14. PiEONiA. Petals 5 — 10, larger than the calyx, regular. 
* Ovaries ( and fruit ) short, 1 -seeded. (Gen. 1 — 6.) 
1. Clematis Linn. Traveller’s Joy. 
Cal. of 4 — 6 sepals, with a valvate or induplicate aestivation. 
Pet. 0. Stamens and Styles numerous. Achenes terminated by 
a long, mostly feathery, awn. — Named from Kkgya, the shoot of 
a vine, which the long branches somewhat resemble. 
1. C. Vitalba'L. (common T.) ; stem climbing, leaves pinnate, 
leaflets cordato-ovate inciso-lobate, petioles twining, peduncles 
rather shorter than the leaves. E. B. t, 612. 
Hedges ; abundant in a calcareous soil, in the middle and south of 
England, h • 6 — 9. — Petioles serve as tendrils. Flowers fragrant. 
2. Thalictrum Linn. Meadow-Rue. 
Cal. of 4 — 5 sepals, imbricated in aestivation. Cor. 0. Stamens 
numerous. Styles several. Achenes without awns (sessile, or 
nearly so, ribbed, usually acute at both ends, and flowers per- 
fect, in the British species). Involucre none. — Named from 
to be green or flourishing. 
