24 SILVA OF NORTH AMERICA. CAPRIFOLIACEA, 
Viburnum rufidulum inhabits dry upland woods and the margins of river bottom-lands, and is 
distributed from southwestern Virginia‘ and southern Illinois* to Hernando County, Florida, south- 
eastern Kansas,’ and the valley of the Guadaloupe River, Texas. One of the common and most beauti- 
ful of the small trees of the southern forests, which it enlivens in early spring with its great clusters of 
flowers and lustrous leaves, Viburnum rufidulum is most abundant, and attains its largest size in 
southern Arkansas, western Louisiana, and eastern Texas. 
Viburnum rufidulum was introduced into the Arnold Arboretum from Missouri in 1883, and has 
proved perfectly hardy in eastern Massachusetts. 
petioles, the wider flower-clusters and the odor of the freshly cut burnum of the low country of the south Atlantic and eastern Gulf 
wood which is similar to that of the wood of Viburnum Lentago,are states, and of Texas, Louisiana, Arkansas, the Indian Territory, 
now known to be constant characters, and make it desirable to and southern Missouri. 
treat Viburnum rufidulum as a species. The range of the two trees 1 The Pinnacle, Lee County, J. K. Small, July 27, 1892. 
is quite different. Viburnum prunifolium is northern, reaching the 2 G. H. French, Jackson County, June, 1878. 
southern limits of its range in the foothill region of western North 8 Viburnum rufidulum has been collected in Cherokee County, 
Carolina and in central Missouri, and southward is entirely re- Kansas, by G. L. Clothier and H. N. Whitford. (Teste Herb. 
placed by Viburnum rufidulum, which is the only arborescent Vi- ray.) 
EXPLANATION OF THE PLATE. 
Puate DCCX. VisurNum RUFIDULUM. 
A flowering branch, natural size. 
Vertical section of a flower, enlarged. 
A fruiting branch, natural size. 
A fruit divided transversely, enlarged. 
A stone, enlarged. 
A winter branchlet, natural size. 
A winter branchlet of Viburnum prunifolium, natural size. 
Sor ee he 
