OF ORNAMENTAL TREES. 161 



first season. The soil in which they are sown 

 must not get dry, or they will never vegetate. 

 The young plants should be removed early 

 into nursery-rows, and frequently removed 

 until finally transplanted. This mode will 

 make this tree capable of being easily re- 

 moved, which is generally supposed to be 

 next to impossible. 



OSTRYA, Michaux. Nat. Ord. Corylacese. 

 Moncecia, Polyandria, Linn. Male flowers; 

 scales orbicular-ovate; anthers conspicuously 

 bearded at the summit. Female catkins 

 linear, without scales, but having a small 

 membrane inclosing each flower. Nut ob- 

 long, included in the enlarged bladder-like 

 membrane. In other respects resembling 

 Carpinus. 



0. YIRGINICA, Michaux. Leaves elliptic- 

 ovate, acuminate, sharply serrate. Cones 

 oblong; buds acute. Hop-hornbean ; iron- 

 wood. N ative of the Middle States. 



A very pretty tree, greatly improved by 



cultivation. Its head is then spreading, 



light, graceful, and as elegant as a birch, 



and becomes near fifty feet high. It will 



14* 



