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THE BOOK OF GARDENING. 



be increased by either seeds or by division. Veronica gentia- 

 noides grows from gin. to i8in. high, and produces long racemes 

 of pale blue or violet-coloured flowers during May and Tune. 

 There is also a white-flowered variety, and one with variegated 

 leaves. V. longifolia grows about 2ft. high, and bears racemes 

 of lilac or blue flowers from July to September. Several varieties 

 are in cultivation; the one known as subsessilis (Fig. 168) is an 

 extremely pretty border-plant, growing from 2ft. to 4ft. high 

 having serrated leaves and long massive spikes of beautiful blue 

 flowers. V. spicata is a good border-plant, producing dense 

 spikes of bright blue flowers upwards of 3m. long. It grows 

 from 9in. to i8in. high, and flowers during July and August. 



Statice tatarica, 



