88 A GARDEN FLORA 
GERBERA. Compositse. 
*G. Jamesoni. S. Africa. 
Hybrid varieties. 
GEUM. Rosacese. 
G. chiloense, var. Mrs. Bradshaw. 
G. trifoliata. Indian Physic. N. America. 
GINKGO. Taxaceae. 
G. biloba. W. China, probably. 
Syn. Salisburia adiantifolia. 
GLADIOLUS. Iridacese. 
*Many garden varieties. 
GLEDITSCHIA. Honey Locust. Leguminosae. 
**G. Delavayi. Yunnan. 
Height 4 feet. Planted at the foot of the north 
slope of the Arboretum 1914. 
G. caspica. N. Persia, Caspian Sea. 
**G. texana. Texas. 
A somewhat tender tree, planted in 1912 among 
silver birch trees in the Arboretum. With this 
slight protection it has not yet been damaged by 
frost. 
E. triacanthos. Honey Locust. Central N. America. 
Height 21 feet. Planted in the Arboretum 1902. 
G. triacanthos, var. inermis. 
GLYPTOSTROBUS. Taxacese. 
G. heterophylla. China. 
Height 7 feet. A tree, at least twenty years old, 
planted in the Top Garden 1908. It is rare, but of 
no beauty — a stump thinly set with branches. 
GORDONIA. Ternstroemiaeeae. 
|G. Lasianthus. Loblolly Bay. S.E. United States. 
