PLANTS WORTH GROWING 153 
densely-leaved stems with fine large golden flowers, 
in the centre of which are clusters of crimson-tipped 
anthers. The outstanding merit of the Hypericums 
is that they will grow on steep stony banks, or in 
dry impoverished soil under big trees, where the 
majority of subjects can at the best only languish. 
Propagation by cuttings is the simplest of tasks, and 
overgrown clumps may also be divided at will. 
Iberis. — The Perennial Candytuft, of which there 
are several good white and one or two pinkish-lilac 
varieties, are useful free-flowering plants for edging 
large borders, or for planting on wall gardens. They 
may be produced from seed or propagated by 
cuttings. 
Incarvillea. — In all probability not one of a 
hundred experts capable of complying with a request 
for a short list of the choicest and most beautiful 
hardy plants would omit Incarvillea Delavayi and 
grandiflora. It is less than thirty years since I. 
Delavayi was introduced from China, and it is 
undoubtedly one of the finest among the many good 
plants hailing from that vast land. With flowers 
comparable in shape to those of Streptocarpus, the 
IncarviUea is much larger, well-grown plants pro- 
ducing flowers over three inches long and broad. 
The colour is rosy carmine, with a bright yellow 
throat. 
To see the plant at its best, with handsome 
spreading foliage and vigorous stems carrying 
numerous flowers to a height of nearly four feet, 
