344 GARDEN FLOWERS. 



SORREL-TREE. See ANDROMEDA ARBOREA. 



SOUTHERN-WOOD. See ARTEMISIA. 



SPECULARIA. [Campanulaceas.] A small family of hardy 

 annuals, formerly comprised under Campanula. The com- 

 mon S. speculum, with purplish-lilac flowers, varies to white 

 and rose-colored, and is distinct and pretty. The plants 

 form a small spreading mass of about nine inches high, and 

 may be had in bloom for the whole summer by successive 

 sowing. The seeds may be sown very thinly, for they are 

 very small in the open border, and should be very lightly 

 covered. Six or eight plants are enough to form a patch. 



6". speculum (Venus's looking-glass) ; hardy annual ; I foot ; 

 flowers purplish-lilac or white, in May ; south of Europe ; 1596. 



SPEEDWELL. See VERONICA. 



SPHENOGYNE. [Compositae.] A genus of composite 

 plants, consisting of hardy annuals and greenhouse shrubs. 

 The most useful is S. speriosa, a very pretty half-hardy an- 

 nual, which may be had in succession through the summer 

 by successive sowings. The plants grow well in rich light 

 garden soil, and in favorable seasons are very ornamental. 



6". speciosa (showy) ; half-hardy annual ; i foot ; flowers orange 

 and black, in June ; Cape ; 1836. 



SP^ROSTIGMA. [Onagraceae.] Hardy biennials and an- 

 nuals, of easy culture in the border, and propagated by 

 seeds. 



S. Chamissonis (Chamisso's) ; hardy annual ; i foot ; flowers 

 yellow, in August; Russia; 1837. S. hirtum (hairy); hardy 

 biennial; 6 inches ; flowers yellow, in August ; Russia; 1836. 

 S. minutijJorum (small-flowered) ; hardy annual ; i foot ; flowers 

 yellow, in August ; Russia ; 1837. 



S. cheiranthifolium, a Chilian species, is not hardy. 



SPERGULA. [Caryophyllaceae.] Very pretty mossy plants, 

 studded in June with white flowers. In England they are 



