GARDEN FLOWERS. 1 9 



nia; 1833. ^. ptibesceiis {downy); hardy annual; i foot ; flow- 

 ers blue, in June ; California; 1833. ^. squarrosa (ragged); 

 hardy annual ; i foot ; flowers blue, in August ; Santa Cruz ; 

 1847. 



tEsculus. [Sapindacese.] The Horse-chestnut is too well 

 known to need description. All the species are hardy orna- 

 mental trees, flourishing in rich loam, of stately growth, alike 

 desirable both for foliage and flower. Propagated by seed, 

 layers, or by grafting. 



jE. glabra (smooth-leaved) ; 12 feet ; flowers greenish-yellow, 

 in May; North America; 181 2. ^. Hippocastamim (common 

 Horse-chestnut) ; 40 feet ; flowers white, in May ; Asia ; 1629. JEl. 

 Hippocastamun Jloi'e-pleno (double-flowered); 40 feet; flowers 

 white, in May ; gardens. ^. Hippocastamun foliis argeutcis 

 (silver-leaved) ; 40 feet ; flowers white, in May ; gardens. ^. 

 Hippocasta?mm variegatiwi (common striped-leaved) ; 16 feet; 

 flowers white, in May; Asia; 1629; layers. jE. O/iioejisis 

 (Ohio) ; 30 feet ; flowers white, in May ; North America. ^. 

 pallida (pale-flowered); 12 feet; flowers greenish-yellow, in 

 June; North America; 1812; grafts or buds. ^E. riibininda 

 (red-flowered); 12 feet; flowers red, in June; North America; 

 grafts or buds ; 1820. 



The double-flowered variety is very desirable. 



^THiONEMA, [Cruciferae.] Annuals and perennials of 

 low growth succeeding in light soil. Propagated by summer 

 cuttings, or by seed sown in spring. 



Annuals. ^. Biixbaumii (Buxbaum's); 6 inches ; flowers 

 pale-red, in June; Levant; 1823, jE. gracile (slender); 3 

 inches; flowers pale-red, in June ; Carniola ; 1823. jE.saxatile 

 (rock) ; 6 inches ; flowers flesh-color, in June ; south of Europe ; 



1759. 



Perennials. ^. heterocarpum (various-podded) ; 6 inches ; 

 flowers purple, in July; Armenia; 1837. jE. Dteinbranaceunt 

 (membranous); i foot; flowers lilac, in June; Persia; 1829. 

 ^. 7nonospenmi??z (one-seeded) ; 6 inches ; flowers pale-purple. 



