FLOWERS : THEIR ARRANGEMENT ON THE STEM. 
59 
and so on in regular succession. Now the place for buds is in the axils of the 
leaves (axillary buds, 58), and at the end of the stem ( terminal bud, 57) : so these 
are also the places from which flowers spring. Fig. 138 is a Trillium, with its 
flower terminal, that is, from the summit of the stem. 
Fig. 139 is a piece of Moneywort, with axillary flow- 
ers, i. e. from the axils of tlie leaves. The Morn- 
ing-Glory (Fig. 4) also has its flowei's axillary. 
170. Solitary Flowers. In both these cases the 
blossoms are solitary, that is, single. There is only 
one on the plant in Trillium (Fig. 
138). In Fig. 139, there is on- 
ly one from the same axil ; and 
although, as the stem grows on, 
flowers appear in succession, they 
are so scattered, and so accom- 
panied by leaves, that they cannot 
be said to form a flower-cluster. 
171. Flower-Clusters are formed 
whenever the blossoms are more 
numerous or closer, and the ac- 
companying leaves are less con- 
spicuous. Fig. 140 is a cluster 
(like that of Lily of the Valley, 
Fig. 3) of the kind called a 
raceme. On comparing it with 
Fig. 139, we may perceive that it differs mainly in having the leaves, one under 
each blossom-stalk, reduced to little scales, which are inconspicuous. In both, the 
flowers really spring from the axils of leaves. So they do in all the following 
kinds of flower-clusters, until we reach the Cyme. 
172. The leaves of a flower-cluster take the name of Bracts . These are gen- 
erally very different from the ordinary leaves of the plant, commonly much smaller . 
and often very small indeed, as in Fig. 140. In the figures 141 to 144, the bracts 
are larger, and more leaf-like. They are the leaves from whose axil the flower 
arises. Sometimes there are bracts also on the separate flower-stalks (as on the 
lower ones in Fig. 140) : to distinguish these we call them Bractlets . 
