810 



TREES OF NORTH AMERICA 



Distribution, llocky hillsides, along tlie borders of forests, or near the banks of 

 streams and the margins of swamps, in moist soil; valley of the Riviere dn Loup, 

 Province of Quebec, to Saskatchewan, and southward through the northern states to 

 southern Indiana, and along the Alleghany Mountains to northern Georgia, and to 

 eastern Kansas and Nebraska, South Dakota and the Big Horn Mountains of Wyo- 

 ming; in nortliern New England frequently springing up in fence-rows and along 

 the margins of roadsides. 



Often cultivated as an ornament of parks and gardens in the eastern United States, 

 and occasionally in Europe. 



2. Viburnum rufidulum, Raf. Black Haw. 



Leaves elliptical-ovate or elliptical-obovate, rounded and occasionally acute or 

 obtuse at the short-pointed apex, rounded or wedge-shaped at the base, and finely ser- 

 rate, with slender apiculate straight or incurved teeth, when they unfold covered below 

 and on the wings of the petioles with thick ferrugineous tomentum and at maturity 

 coriaceous, dark green and very lustrous above, pale and dull below, usually about 

 3' long and f '-1^' wide, with stout yellow midribs, numerous slender primary veins, 

 and reticulate veinlets more or less covered below throughout the season with the 

 rufous tomentum also occasionally found on the upper side of the midribs; their peti- 

 oles stout, grooved, ^'-f ' long, and margined with broad or narrow wings. Flowers ^' 

 in diameter, in compound sessile or stalked 3-5 but usually 4-rayed thick-stemmed 

 ferrugineo-pubescent corymbs often 5'-6' in diameter, with minute subulate bracts 

 and bracelets; calyx obconic, with short rounded lobes; corolla creamy white, with 



orbicular or oblong rounded lobes. Fruit ripening in October, in few-fruited droop- 

 ing red-stemmed clusters, oblong or slightly obovate, bright blue covered with a 

 glaucous bloom, and I'-f long; stone ^' long and about ^ wide. 



A tree, often 40 high, with a trunk 12'-18' in diameter, short thick branches 

 forming an open irregular head, and stout branchlets marked by numerous small 

 red-brown or orange lenticels, when they first appear more or less coated with fer- 

 rugineous tomentum, ashy gray during their first winter, and dark dull red-brown in 

 their second season. Winter-buds ferrugineo-tomentose, those containing flower- 

 bearing branchlets broadly ovate, full and rounded at the base, abruptly narrowed 

 above, and short-pointed and obtuse at the apex, compressed, often l' long and |' 



