ON ANNUALS AND BIENNIALS. 



223 



whilst the lower one is white. These are suitable for growing 

 in large patches, sowing the seed in March, and thinning the 

 seedlings to a distance of 3m. 



Collomia coccinea is a showy border plant, varying in 

 height from 12m. to i8in., and producing its bright scarlet 

 flowers during June, July, and August. It is a useful bee- 

 plant, and in light warm soils it sows itself every year, the 

 plants so obtained being quite equal to the cultivated ones. 



Convolvulus tricolor (C. minor) (Dwarf Garden Con- 

 volvulus) is a well-known plant, ift. high, bearing numerous 

 large richly-coloured flowers, which are white, with a blue limb 

 and a yellowish throat. There are several varieties with white, 

 rose, crimson, and blue flowers ; 

 these are fine bedding plants 

 and are also useful when grown 

 in clumps in the border. They 

 require a good warm soil, and 

 should be kept in a medium 

 ' moist condition. 



Coreopsis is a genus con- 

 taining several annuals which 

 are largely grown for summer 

 decoration, under the name of 

 Calliopsis ; they are very grace- 

 ful border plants, supplying, 

 during summer an abundance 

 of elegant showy flowers, which 

 are .greatly appreciated for vases 

 and bouquets. They thrive ' 

 almost anywhere, even in town 

 gardens; and the bright colours 

 of their flowers render them 

 objects of remarkable beauty FlG - »8.-Coreopsis Drummondi. 

 and general garden favourites. 



Coreopsis Drummondi (Fig. 118) is a lovely plant for beds 

 and borders ; it has golden-yellow flowers, with a rich crimson- 

 brown ring surrounding the eye ; it is a much-branched species, 

 growing i8in. in height, and flowering in July. Coreopsis 

 tmctoria, also known as C. bicolor, is a slender annual, growing 

 to a height of 2ft., and opening its flowers in June; they 

 are yellow, with a crimson-brown blotch in the centre. Several 

 varieties, differing in the colour of their flowers, are now 

 grown, the best of which is undoubtedly nana. It is very 

 effective for bedding purposes, lasting for a long time in 

 blossom. The following also deserve a place in the gar- 

 den : coronata, a good border plant, i8in. high, with . a rich 

 yellow centre, spotted with brownish-crimson, flowers in July ; 



t-Si-y?'- 



