36 
beautiful scaly bark, its dark leaves, and its broad head of slender lustrous pendulous branches 
presenting broad flat surfaces of yellow-green foliage, which form in the sunshine effective masses of 
light and shadow. 
The Hop Hornbeam grows with comparative rapidity,’ especially in good soil; it is very hardy, 
and is not seriously defaced by fungal or insect enemies, and its branches and leaves are so tough that 
winds rarely injure them. It is an excellent tree, therefore, to use along the margins of groups of 
Oaks and other deciduous-leaved trees in the parks of eastern America, or to plant on hilltops and in all 
exposed situations. 
* The log specimen of Ostrya Virginiana in the Jesup Collection 
SILVA OF NORTH AMERICA. 
of North American Woods in the American Museum of Natural growth, seven of which are of sapwood. 
History, New York, collected in northern New York, is twelve 
a ae 
Oo PP WOH 
SCHMNARDA PHONY H 
EXPLANATION OF THE PLATE. 
PiateE CCCCXLV. OstrRyvAa VIRGINIANA. 
. A flowering branch, natural size. 
. A scale of the staminate ament, rear view, enlarged. 
A staminate flower with its scale, front view, enlarged. 
A stamen, enlarged. 
. Diagram of a pistillate inflorescence. 
. Pistillate flowers with their scale, front view, enlarged. 
. A pistillate flower inclosed in its bract and bractlets, enlarged. 
- A pistillate flower with its bract and bractlets laid open, enlarged. 
. A fruiting branch, natural size. 
. A fruiting involuere, natural size. 
. Vertical section of a fruiting involucre, showing the nut, natural size. 
. Vertical section of a nut, enlarged. 
. A seed, enlarged. 
- An embryo, enlarged. 
. A winter branch with staminate aments, natural size. 
. A leaf-scar, enlarged. 
CUPULIFER. 
inches in diameter inside the bark, with seventy-six layers of annual 
