250 FLOWERS OF GARDEN AND GREENHOUSE 
VIBURNUM DILATATUM (extended). Stems 10 feet 
high. Leaves almost round, coarsely toothed, slightly 
hairy. Flowers white, in cymes; June. Introduced from J apan (1845). 
V. MACROCEPHALUM (large-headed). Stems 20 feet high. Leaves 
oval, toothed, somewhat rough, covered beneath with scurfy down. 
Flowers in compound cymes, somewhat pyramidal in form, the outer 
flowers sterile; June. Introduced from China (1844). The V. Fortunei 
of gardens. 
V. PLIcATUM (plaited), A sturdy shrub with rough dark green 
ovate leaves, and compact heads of pure white flowers. One of the best 
of shrubs for gardens in the South of England. A native of China. 
V. Oputus (rich). Guelder Rose. Stem branched, 6 to 8 feet. 
Leaves three-lobed, toothed, downy when young. Flowers in roundish 
cymes, 3 or 4 inches across; inner flowers creamy, }-inch across; outer 
white, 23-inch; June and July. The var. sterilis is the Snowball-tree 
of gardens; the cyme more globular and all the flowers sterile. 
V. Tinus (the Latin name). lLaurustinus, or Laurestine. Stems 
branched, 8 to 10 feet, Leaves oval-oblong, margins entire; veining 
beneath marked out by glandular hairs; evergreen. Flowers in flat 
corymbs ; rosy at time of opening, but soon becoming white ; December 
to March. Introduced from Southern Europe three hundred years ago. 
There are several garden varieties, 
Cultivation. Vibwrnwms exhibit no particular preference in the 
matter of soils; therefore may be introduced into almost 
any garden where desired, Propagation is also a simple process 
Cuttings should be made from the half-ripened wood, and inserted in 
Sandy soil in a shady place. They should also be covered with a cloche, 
or hand-light, until rooted. The lower shoots may be layered. 
Principal Species, 
BOUVARDIAS 
Natural Order RUBIACEZ. Genus Bouvardia 
_ Bouvarpra (named by Salisbury in honour of Dr. Chas. Bouvard, 
a former Superintendent of the Jardin du Roi, Paris). A genus os 
evergreen greenhouse shrubs, comprising about twenty-six species, mostly 
natives of Mexico, with handsome flowers in terminal corymbs, a? 
opposite or whorled leaves, The calyx is tubular, with four awl-shaped 
lobes. The corolla is tubular, elongated and funnel-shaped, with a four- 
parted spreading limb. Stamens attached to the corolla-tube; stigma 
divided into two plates at its extremity, 
