470 



FLOWERS OF GARDEN AND GREENHOUSE 



Lavandulas succeed in any light soil, and are easily 

 propagated by means of cuttings. These should be made 

 from the young shoots in autumn, and inserted in sandy soil, covering 

 with a hand-hght or bell-glass, and leaving them until the spring. 



R LABIATE FLOWEKS 



Natural Order Labiate 



Rosmarinus (Latin, ros, dew, and mariniis, the sea). R. officinalis (of 

 tlie shops). Common Rosemary. A hardy evergreen shrub found in 

 old-fashioned gardens, and very similar to Lavandula, but the calyx as 

 well as the corolla is coloured pale blue and two-lipped, whilst two 

 stamens project beyond the mouth of the corolla. June to September. 

 Introduced from South Europe (1548). There are varieties with silvery, 

 golden, and broad leaves. Cultivation as for LavandvXa. 



MoNARDA (named in honour of Dr. Nicholas Monarda, a Spanish 

 botanist, 1493-1588). A genus of about half a dozen species of hardy 

 perennial herbs, with long, slender, two-lipped corollas, arranged in close 

 heads or whorls. Natives of North America. Two species are worth 

 recommendation. M. didyma (twin) ; Oswego Tea ; with one or 

 two whorls of bright scarlet flowers ; July to September ; growing to 1^ 

 foot high, with oval - lance - shaped leaves. Introduced 1656. M. 

 fistidosa (hollow) ; Wild Bergamot ; with less numerous purple flowers ; 

 June to September. Growing 2 feet high. Introduced 1656. There are 

 several varieties. Both are easily grown in ordinary garden soil, where 

 they get a fair amount of sunshine. Increased by divisions in autumn. 



Dracocephalum (Greek, drakon, a dragon, and kephale, a head, 

 from the shape of the corolla). A genus of about thirty annual and 

 perennial herbs, natives of Europe and Asia, with tubular, two-lipped 

 corollas, in tenninal, leafy spikes, D. grandijlorwm (large-flowered) 

 has erect stems 6 to 10 inches high, oblong leaves, and spikes of large 

 blue flowers appearing in July. Perennial. Introduced from Siberia, 

 1759. D. riiyschiana (Ruysch's) is a taller-growing perennial, with 

 smaller, purplish flowers appearing in June. Introduced from Europe, 

 1699. The var. japonicum, with white and blue flowers, is an im- 

 provement. They are hardy, and succeed in cool borders. Propagation 

 by cuttings and divisions in spring. 



Physostegia (Greek, physa, a bladder, and stege, a covering: the 

 inflated flowers). A genus of three species allied to Dracoceplialum, 



