FLOWERS OF. GARDEN AND GREENHOUSE 



LUNGWORTS 



Natural Order Boeagine^. Genus Pul. 



PULMOXARIA (from Latin, 2)iiZ77io, the lungs, in allusion to its former use 

 as a remedy in pulmonary complaints). A genus of five species of hardy 

 herbaceous perennials with creeping rootstocks, and unbranched flowering 

 stems. Calyx large, five-angled at the base, five-cleft. Corolla funnel- 

 shaped, five-lobed, with five bunches of hairs alternating with the five 

 stamens. Stigma two-lipped. Nutlets smooth, top-shaped. The species 

 are distributed over Europe and Western Asia. One, PidmoTiaria angust l- 

 folia, is indigenous to Britain, though rare; another, P. offi^cinalis, is 

 locally naturalised. 



PULMONARIA ANGUSTiFOLiA (slender - leaved). Blue 

 ■ Cowslip. Rootstock short and stout. Stem 12 to 18 

 inches high, brittle, liairy. Leaves downy, narrow-lance-shaped, some- 

 times with paler spots. Flowers |-inch across, pink changing to bright 

 blue ; April to June. 



P. ARVERNENSE (Auvergne). Stem 12 to 18 inches high. Leaves 

 lance-shaped. Flowers deep blue ; April and May. Origin of this 

 species unknown. 



P. OFFICINALIS (of the shops). Jerusalem Cowslip. Stems 1 foot 

 high. Leaves oval or oval-lance-shaped, always spotted with pale green. 

 Flowers at first red, then pale pui-ple ; April and May. Native of 

 Europe. There is a variety with white flowers. 



P. SACCHARATA (sugared). Stems 1 foot high. Leaves oval. Flowers 

 pink ; May and June. Introduced from Europe, 1817. 



Pul nw narias are of easy cultivation in almost all garden 



soils. They are mostly found in old - fashioned garden 



borders, where some of the clumps have been almost undisturbed for 



generations. They require little attention beyond occasional replanting. 



They are propagated by division of the rootstock in early spring. 



VIPER'S BUGLOSS 



Natural Order Boragine^. Genus Echium 



EcHiUM (Greek, eehion, from echis, a viper). A genus of about twenty 

 rough herbs and shi-ubs, with alternate entire leaves and red, white. 



