116 Class V. Order III. 



hranous margin, widest in the upper leaves, waved or curled. 

 Flowers in cymes, as are all the subsequent species. Fruit plea- 

 sant to the taste. South Boston, Cambridge. June. 



VIBURNUM PYRIFOLIUM. ? L, Pear leaved Viburnum. 



Smooth ; leaves oblong-oval, subacute, subserrate ; 

 cymes subpedunculate. 



Leaves opposite, oblong-oval extended into an obtuse point, 

 smooth on both sides, coriaceous, slightly serrate or eroded. 

 Petioles and peduncles covered with minute black glands. Cymes 

 nearly sessile, furnished with linear deciduous bractes. Calyx 

 segments short, acute. Segments of the corolla orbicular. 

 Sides of Monadnock mountain, New-Hampshire. June. 



VIBURNUM NUDUM. L. Naked Viburnum. 



Glabrous ; leaves oval, revolute at the edge, near- 

 ly entire, petioles smooth ; cymes pedunculated. 



Leaves smooth and coriaceous, ov^l, obtuse or acute, many 

 of them acuminate, obeoletely crenate and slightly revolute. 

 Cymes on peduncles an inch or two long and covered with minute 

 dots. Bractes caducous. Swamps, rare. June. 



The leaves have an evergreen and coriaceous appearance and 

 turn black in drying. Low woods, Cambridge, Weston. June. 



Variety /3. parvifoiinm. Leaves not half the size of the fore- 

 going, mostly acuminate. At Sandwich. Mr. Greene. 



VIBURNUM DENTATUM. L. Arrow wood. 



Leaves ovate, dentate-serrate, plaited. L. 



A more common shrub than the foregoing. The shoots are 

 slender and very straight, from whence it has received the name 

 of Arrow wood. Leaves roundish or oval, very regularly tooth- 

 ed, the veins parallel and prominent underneath. Moist woods. 

 June, July. 



VIBURNUM ACERIFOLIUM. L. Maple Viburnum. 



Leaves three lobed, acuminate, sharply serrate ; 

 petioles without glands, hairy ; cymes not radiate. 



i 



Leaves rounded or hearted at base, broad, divided into three 



