Chapter 1 No.1

Chapter 2 e. the ovary wholly superior.

Chapter 3 tube (inferior).

Chapter 4 No.4

Chapter 5 like heads.

Chapter 6 No.6

Chapter 7 No.7

Chapter 8 Climbing by the leafstalks, or erect herbs.

Chapter 9 Involucre leaf-like, remote from the flower. Leaves compound or dissected. Pistils very many.

Chapter 10 Involucre close to the flower, of 3 oval bracts, calyx-like. Leaves radical, simple and lobed. Pistils several.

Chapter 11 Stigma terminal, broad and flat. Radical leaves and involucre compound. Peduncles umbellate. Achenes 4–15, many-ribbed.

Chapter 12 Sepals usually 4, petal-like or greenish, Achenes few.

Chapter 13 Achenes numerous, inflated, 4-angled. Flowers corymbose. Filaments white, clavate.

Chapter 14 Sepals and petals (5–16, crimson or scarlet) flat, unappendaged. Seed suspended.

Chapter 15 Sepals spurred. Petals 5, white. Achenes in a long spike. Scapes 1-flowered. Seed suspended.

Chapter 17 Petals none. Sepals broad, white. Pods few. Leaves compound.

Chapter 18 Petals none. Sepals broad, yellow. Leaves kidney-shaped, undivided.

Chapter 19 Petals 5–20, narrow, pitted above the base. Pods sessile. Leaves palmately lobed.

Chapter 20 Petals 5–6, small, hollowed at apex, white. Pods long-stalked. Leaves radical, trifoliolate.

Chapter 21 Petals small, tubular, 2-lipped. Sepals 5, broad, persistent and turning green. Pods sessile.

Chapter 22 Petals small 2-lipped nectaries. Sepals 5–8, narrow, deciduous. Flower solitary, involucrate.

Chapter 23 Pistils 5, with slender styles. Leaves ternately compound.

Chapter 24 Upper sepal spurred. Petals 4, of two forms; the upper pair with long spurs, enclosed in the spur of the calyx.

Chapter 25 Upper sepal hooded, covering the two long-clawed small petals.

Chapter 26 Flowers in long often paniculate racemes. Pistils 1–8, becoming many-seeded pods.

Chapter 27 Flowers in a single short raceme. Pistil single, forming a many-seeded berry.

Chapter 28 Flowers solitary. Sepals 3, petal-like, caducous. Petals none. Stamens numerous. Pistils several, becoming 2-seeded berries. Leaves simple, lobed.