London pride

from The Century Dictionary.

• noun A British plant, Saxifraga umbrosa, common in cottage-gardens. Also called none-so-pretty and St. Patrick's cabbage.
• noun The sweet-william, Dianthus barbatus. Also called London-tuft.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A perennial saxifragaceous plant, (a hybrid of various Saxifraga species), that has a basal rosette of leaves and pinkish-white flowers