344 GARDEN FLOWERS. 



Sorrel-Tree. See Andromeda arborea. 



Southern-Wood. See Artemisia. 



Specularia. [Campanulaceae.] 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 

 ver)- small — in the open border, and should be ver)^ lightly 

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



S. Speculu7)i (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. speciosa, 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. . 



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

 and black, in June ; Cape ; 1836. 



Sph^rostigma. [Onagraceae.] Hardy biennials and an- 

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

 seeds. 



S. Chafnissonis (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". 77iinutifloru7n (small-flowered) ; hardy annual ; 1 foot ; flowers 

 yellow, in August ; Russia ; 1837. 



S. cheira7ithifoliu77i, a Chilian species, is not hardy. 



Spergula. [Caryophyllaceae.] Very pretty mossy plants, 

 studded in June with white flowers. In England they are 



