1582 The Trees of Great Britain and Ireland 



4. Magnolia Thompsoniana, Koch. A hybrid. See p. 1585. 



Branchlets glaucous, with a few hairs at the insertion of the leaves. Leaves 

 obovate-elliptic, acute at the apex. 



III. Leaves deciduous in autumn. 



* Leaves cordate at the base. 



5. Magnolia FraseriyWdXt&r. United States. Seep. 1590. 



Branchlets glabrous. Leaves obovate, deeply cordate and auricled at the 

 base, pale or light green beneath. 



6. Magnolia macropkylla, Michaux. United States. See p. 1589. 



Branchlets densely pubescent. Leaves obovate-oblong, cordate or sub- 

 cordate at the broad truncate base, bluish white beneath. 



** Leaves not cordate at the base. 

 (a) Leaves large, with more than twenty pairs of lateral nerves. 



7. Magnolia tripetala, Linnaeus. United States. See p. 1588. 



Branchlets glabrous. Leaves membranous, obovate-oblong, tapering towards 

 the base and apex, pale with a scattered minute pubescence beneath. 



8. Magnolia hypoleuca, Siebold and Zuccarini. China and Japan. See p. 1592. 



Branchlets glabrous. Leaves coriaceous, obovate, acute or cuspidate at the 

 apex, bluish grey with scattered white hairs beneath, 

 (b) Leaves moderate or small in size, with less than twenty pairs of lateral nerves. 



t Leaves pale beneath. 

 9, 10. Branchlets pubescent. 



9. Magnolia acuminata, Linnaeus. Ontario, United States. See p. 1586. 



Large tree. Leaves oval, acuminate at the apex, pubescent on both surfaces ; 

 lateral nerves, twelve to fifteen pairs. 



10. Magnolia parviflora, Siebold and Zuccarini. Japan. See p. 1598. 



Shrub. Leaves obovate, acuminate at the apex, glabrous above, minutely 

 pubescent beneath ; lateral nerves about nine pairs. 



1 1 - 1 3 . Branchlets glabrous. 



1 1. Magnolia Campbelli, Hooker and Thomson. Eastern Himalayas. See p. 1590. 



Branchlets glaucous. Leaves narrowly elliptic, acuminate, pale with a bluish 

 tint and glabrous beneath. 



12. Magnolia Watsoni, Hooker. Japan (?). Seep. 1598. 



Leaves obovate, acute at the apex, greyish beneath, with scattered appressed 

 hairs. 



13. Magnolia salicifolia, Maximowicz. Japan. See p. 1595. 



Leaves lanceolate, tapering to an acuminate and often curved apex ; pale with 

 a bluish tint and minutely pubescent beneath. 



ft Leaves green beneath. 

 14. Branchlets glabrous. 



14. Magnolia Kobus, De Candolle. Japan. See p. 1594. 



Leaves obovate, cuspidate at the apex, tapering at the base, with axil-tufts of 

 pubescence beneath. 



