SABBATIA. [Gentianaceae.] Hardy or half-hardy bien- 

 nials and perennials. Soil, peat, kept moist. In- 

 creased by seeds or division. 



S. angularis (angular) ; hardy biennial ; 6 inches ; flowers 

 purple, in July ; North America ; 1826. S. panictdata (pan- 

 icled) ; hardy perennial; 18 inches; flowers white, in May; 

 North America; 181 7. S. stellaris (starry); hardy biennial, 

 dwarf; flowers rose, with a yellowish-green eye, in July ; North 

 America ; 1827. 



Sage. See Salvia. 



Sagittahia. Arrow-head. [Alismaceae.] Aquatic per- 

 ennials, requiring various degrees of temperature. Rich, 

 loamy soil. Increased by division. The plants require to 

 be placed in water. 



S. graininea (grassy) ; greenhouse aquatic perennial ; 18 

 inches; flowers white, in July; Carolina; 181 2. 6*. latifolia 

 (broad-leaved) ; hardy aquatic perennial ; i foot ; flowers white, 

 single, or double, in July ; North America ; 1818. S. sagittifo- 

 lia (arrow-leaved) ; hardy aquatic perennial ; ' 2 feet ; flowers 

 white, single, or double, in July; England. 6*. si7tensis (Chi- 

 nese) ; greenhouse aquatic perennial ; 2 feet ; flowers white, in 

 October; China; 1812. 



St. John's Wort. See Hypericum. 



Saintfoin. See Onobrychis. 



Salisburia. Maiden-hair Tree. [Taxaceae.] Hardy 

 deciduous tree, ornamental on account of its habit and sin- 

 gular maiden-hair-like foliage. Soil, sandy loam. Prop- 

 328 



