GARDEN FLOWERS. l6l 



July; Europe; 1827. E. linifolia (flax-leaved) ; hardy annual; 

 9 inches ; flowers purple, in August ; France ; 1826. E. lutca 

 (yellow) ; hardy annual ; 18 inches ; flowers purple, in August ; 

 south of Europe ; 1818. 



EUSTOMA. [Gentianaceae.] A genus comprising a green- 

 house herbaceous plant, a border half-hardy biennial, and an 

 annual ; growing in loamy soil, and propagated by division 

 and seeds. 



E. exaltatum; greenhouse herbaceous plant. E. Riisselleanum 

 (Russell's) ; half-hardy biennial ; flowers purple, in August ; 

 Texas; 1835. E. silenefolia (catchfly-leaved) ; hardy annual ; 

 i foot; flowers white, in July ; Isle of Providence ; 1804. 



EUTOCA. [Hydrophyllaceae.] Hardy annual plants, of 

 easy culture. Sow in April on a slight hot-bed, for trans- 

 planting, and in May in the open borders. 



E. divaricata (straggling) ; hardy annual ; i foot ; flowers 

 bluish-lilac, in June; California; 1834. E. Menziesii (Men- 

 zies') ; hardy annual ; i foot ; flowers bluish-lilac, in May ; North 

 America ; 1826. E. viscida (clammy) ; hardy annual ; 2 feet ; 

 flowers blue, in June; California; 1834. E. Wrajtgeliana 

 (Wrangel's) ; hardy annual ; I foot ; flowers dark bluish-lilac, in 

 June ; California ; 1835. 



EVENING PRIMROSE. See CENOTHERA. 



EVERLASTING FLOWER. See GNAPHALIUM and HELI- 

 CHRYSUM. 



EVERLASTING PEA. See LATHYRUS. 



EXACUM. [Gentianacese.] A family of hardy annuals, 

 allied to Chironia, flourishing in peaty moist soil, and pro- 

 pagated by seed sown in May. The species are E. macran- 

 thum, pulchellum, tetragonum, and bicolor. 



EXOGONIUM. [Convolvulacese.] A division of the old 

 family Ipomoea. E. purga, a very handsome slender 

 climber, bearing rosy-purplish blossoms through the autumn 

 months, is the source of the drug Jalap. The plant has a 



