GARDEN FLOWERS. 11/ 



C. ccelestis (sky-blue) ; half-hardy perennial ; 2 feet ; flowers 

 blue or white, in July ; Mexico ; 1813. C. cominuiiis (common); 

 hardy annual ; 2 feet ; flowers blue-purple, in June ; North 

 America; 1732. C. cucullata (hooded); gieenhouse annual; 

 2 feet; flowers blue, in July; Brazil; 1825. C. fasciciilata 

 (fascicled) ; hardy perennial ; 1 8 inches ; flowers blue, in July ; 

 Lima ; 1817. C. ojxhidioides (orchis-like) ; half-hardy perennial ; 

 2 feet; flowers blue, in June; Mexico; 1837. C. tubcrosa {\m- 

 berous) ; half-hardy perennial ; 2 feet ; flowers blue, in July ; 

 Mexico ; 1732. 



CoNVALLARiA. Lily of the Valley. [Liliaceiie.] This uni- 

 versally admired plant is a dwarf herbaceous perennial ; and 

 its spikes of drooping, white, deliciously fragrant flowers, 

 and broad green leaves, form one of the loveliest of Nature's 

 contrast's in coloring, — rich green and pure white. There 

 are varieties, in one of which the flowers are pinkish, and in 

 the other double white ; but the simple form is the most 

 attractive. They grow in common garden soil, and flourish 

 in shady places. The plants are increased by dividing the 

 roots. Planted in jDOts, they are beautiful subjects for for- 

 cing into early bloom. 



C. majalis (May) ; hardy perennial ; 6 inches ; flowers white, 

 in May ; England. 



Convolvulus. Bmdiueed. [Convolvulaceae.] Orna- 

 mental plants, with trumpet-shaped flowers, which are great 

 favorites in gardens. The most common are known as the 

 Convolvulus major and the Convolvulus minor of gardens ; 

 the former of which belongs to another family, called Phar- 

 BiTis (which see) ; and the hardy annual species, of which 

 C. tricolor^ and its white and dark-blue varieties are the best, 

 should be sown in pots in April for early bloom, and again 

 in May, in the open borders, for a succession. C. tricolor is 

 a fine border plant, and, where the beds are large, it is a 

 good flower for masses ; for, though a little straggling, it is 



