TREES AND SHRUBS 



Group Gymnospermce 



Natural Order . . . Coniferce 



Trees or slirubs, usually resinous, with rigid, linear, subulate or scale-like 

 leaves; Flowers monoecious or dioecious, without perianth; 31ales (in catkins) 

 of numerous closely-packed scales, bearing two or more anther-cells ; Females 

 (cones) of ovuliferous scales and bract-scales ; ovules and seeds naked, either 

 concealed by scales or solitary and exposed. 



MAIDEN-HAIR TREE, Ginkgo biloba. 



Parks, gardens. April, May. The glossy green fan-shaped leaves, cut up 

 like some of the species of Adiantum Ferns, make this a very distinctive tree. 

 It does well in smoky towns. Propagated by seeds sown in pans of light sandy 

 soil in cold frame, October or March. 



Flowers dioecious; Male catkins axillary, slender, sessile, yellow, H in. long; 

 Females solitary or terminal clusters, foot-stalks long ; Fruit drupaceous, 

 globular or ovate, 1 in. diam., light green or yellowish fleshy pulp, edible, sweet ; 

 seed globular, hard bony shell. 



Leaves clustered on branchlets, distinct and alternate on young shoots, 

 broadly fan-shaped, cuneate at base, 2-4-lobed, lobes toothed or irregularly 

 notched, resembling Maiden-hair Fern, flat, coriaceous, glabrous, margins 

 thickened, numerous parallel nerves ; foot-stalk as long as blade, yellowish-green, 

 glabrous, glossy. 



A deciduous tree, 60-80 ft. ; Branches alternate, mostly ascending or hori- 

 zontal ; branclilets terete, very short, spur-like ; Bark rough, furrowed, scaly, 

 greyish. 



Native of China and .lapan ; introduced 1754. Chinese name Ginkgo = ivi\\ of 

 leafless buds in winter. Also named Salisburia adiantifolia, in honour of R. A. 

 Salisbury, F.R.S., an eminent English botanist ; acliantifolia = leaf like Maiden- 

 hair Fern, the specific name of which is Adiautum. 



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