224 Caprifoliacee— Viburnum. 
tree in South Britain. It grows from 16 to 20 feet high, and 
is clothed with a scaly or mealy tumentum. Leaves rugose, 
oblong, cordate at the base, serrulate. Flowers all perfect, 
white, in large flat cymes, appearing in May or June, succeeded 
by red eventually black flattened drupes. 
3. V. Opulus. Guelder Rose, Snowball Tree. — Leaves 
variously lobed or deeply toothed. In the wild form only the 
outer flowers are sterile, but there is a common cultivated 
Fig. 119. Viburnum Opulus, (4 nat, size.) 
variety (fig. 119) in which they are all barren. There is also a 
dwarf variety. 
V. macrocéphalum, from China, is near V. Lantana in 
foliage and habit, and the variety in cultivation bears enormous 
panicles of white neutral flowers. V. plicctwm, also from North 
China, in its globular heads of neutral flowers resembles the 
Guelder Rose, differing, however, in the plaited oblong-orbi- 
cular serrate leaves. V. rugésunv is a Canary Islands evergreen 
shrub with broadly ovate rugose hirsute leaves and large ter- 
minal cymes of white and pink flowers. V. macrophyllum is 
a Japanese species with very large glabrous foliage. 
8. SAMBUCUS. 
Herbs or shrubs with pinnate leaves and large compound 
cymes of small white flowers. Calyx-limb 3- to 5-toothed. 
