PINACEAE • FILICES 301 



TSUGA — continued 



(b) Ls. entire 



T. caroliniana. Carolina Hemlock. 50. E. Branchlets hairy on upper side. 



Ls. h. Cone i|. South-east United States. 

 T. Sieholdii. Japanese Hemlock. 100. E. Branchlets hairless. Ls. i, notched 

 at apex. Cone i. Japan. (Fig. 47 l.) 

 * WiDDRiNGTONiA Whytei. Milanji Cedar. 100. E. Main branches vvhorled. 

 Ls. in young trees alternate, awl-shaped, i ; in older trees opposite, scale-like, 

 closely pressed to stem. Cone woody, i x \, egg-shaped, 4-scaled, seeds winged. 

 South Africa. (Fig. 47 f.) 



Family no. GINKGOACEAE 



(One species only) 



Ginkgo biloba(Salisburiaadiantifolia). Maidenhair Tree. 100. D. Branch- 

 lets jointed. Ls. alternate or in clusters, fan-shaped, 3, notched or jagged, 

 long-stalked. Male catkins i, short-stalked; female fls. long-stalked. Fruit i, 

 egg-shaped, yellowish green, with a fleshy outer and a bony mner coat. 

 China. (Fig. 27 b.) 



