ON HARDY HERBACEOUS PERENNIALS. 



285 



Tradescantia virginica 

 (Common Spiderwort) is a 

 showy plant with purplish-blue 

 flowers. It grows upwards of 

 2ft. high, and produces its 

 flowers from jNIay onwards. It 

 is suitable for mixed borders 

 or for naturalising in shrub- 

 beries, wild gardens, woodland 

 walks, &c. Several varieties are 

 also grown, and are readily in- 

 creased by division. 



Trollius (Globe Flower) is 

 a genus of elegant border plants, 

 with luxuriant foliage and hand- 

 some yellow flowers. They prefer 

 rather moist situations. Pro- 

 pagated by seeds or by division 

 of the old plants in the autumn. 

 T. asiaticiis o;rows from ift. to 

 2ft. high, and produces bright 

 orange-coloured flowers during 

 May and June. T. europoeiis (Common 

 from i2in. to i8in. high, produces large 



Fig. 168. — Veronica longifolia subsessilis. 



Fig. 167. — Trollius Orange Globe. 



Globe Flower) growls 

 globular pale yellow 

 flowers from 

 April to June, 

 and is an ex- 

 cellent subject 

 for naturalising 

 near ponds 

 or streams. 

 Orange Globe 

 (Fig. 167) is 

 a beautiful 

 variety, with 

 golden - yellow 

 flowers, and 

 grows 2 ft. high. 



Veronicas 

 (Speedwells) 

 are fine border 

 plants, easily 

 cultivated in 

 any ordinary 

 garden soil. 

 The herba- 

 ceous peren- 

 nial kinds may 



