As soon as the yellow stamens and the petals fall off, this horn grows into a long curved pod, and in this pod are the seeds. The Horned Poppy has two green sepals which are very rough and hairy. They cover the flower so long as it is in bud, but whenever the flower begins to expand these sepals burst open, and as soon as the yellow petals have smoothed out their crinkles in the sun these little green coverings fall off. The leaves of this Poppy are thick and leathery, and are covered with hairs which make them look grey. These leaves have no separate stalks, but grow close to the stem as if they were clasping it. 2. ROCK ROSE This is a delicate little branching plant which trails in summer-time along the ground, on grassy hills, and among rocks and gravel. The flowers grow singly on short stalks, and each flower has five bright yellow petals which lie flat open. These petals are not stiff and glossy like those of the Buttercup, but soft and easily crinkled like the Poppy petals. If you touch very lightly the yellow stamens in the centre of the flower, they will spread out and lie down. The Rock Rose has five little green sepals. Three of these have their tips slightly tinged with pink, and these pink-tinged sepals are large enough to cover the flower when it is in bud. The other two are much smaller, with sharply-pointed tips, and they grow at the end of the little flower-stalk behind the pinky sepals. The leaves of the Rock Rose are long and narrow with smooth edges, and they grow opposite each other on the stem. These leaves are always dark green above, but underneath they are covered with fine white woolly down, and if you hold them up to the light you will see that the edges are fringed with soft hairs. 3. OPPOSITE-LEAVED GOLDEN SAXIFRAGE This small plant grows in damp places by the side of ditches and on wet rocks. It is commonest in the north of Britain, but in spring you will find its soft stems creeping close to the ground in the south of England also. The Golden Saxifrage has no petals. The yellow flowers grow at the end of the stem in small clusters, which are sunk among the leaves. Each flower has a yellow calyx tube, which is divided at the mouth into four parts. These divisions are yellow inside, but on the outside they are green. There is a ring of tiny stamens standing out all round the mouth of the calyx tube, and in the very centre of the flower stands a fat seed-vessel, like a beak, which splits open into halves when the seeds are ripe. The leaves of the Golden Saxifrage grow in pairs on each side of a pale green, juicy stem. This stem is covered with clear white hairs. The leaves are pale green and are round in shape, with crinkled edges. They are very soft, and, like the stem, they have fine white hairs all over them. When you gather a handful of the Golden Saxifrage you find a great many slender white roots hanging from the stem wherever it has lain along the ground.