VIBURNUM 193 



d. Bud-scales often 6, buds 



divergent, plump 6. V. rafinesquianum 



c. Young twigs densely stellate- 

 pubescent, becoming glabrate 7 . V. dentatum 



1. V. alnifolium Marsh. Hobblebush. Straggling shrub to 3 m. 

 high, with forked branches, often procumbent and rooting, so as 

 to trip pedestrians (whence the common name); twigs scurfy- 

 pubescent. Cool woods. Prince Edward Island to Ontario, south in 

 the mountains to Georgia and Tennessee (Fig. 301 ). 



2. V. cassinoides L. Wild Raisin. Upright shrub 1-4 m. high, 

 or sometimes taller; twigs dull, scurfy, elongated, flexuous; buds 

 covered by a single pair of yellow or golden scurfy scales; drupes 

 blue-black, 6-9 mm. long. Thickets, Newfoundland to Ontario, 

 south to Wisconsin, Indiana, and in the mountains to Alabama (Fig. 

 302 ). 



3. V. nudum L. Smooth Withered . Swamp-Haw. Upright shrub 

 or small tree to 6 m. high, and 1-2 dm. in diameter, with slightly 

 scurfy, rather glossy, elongated, flexuous twigs; buds brown or 

 fuscous. Swamps, Florida to Texas, narth to Connecticut and Ken- 

 tucky; mostly in the coastal plain or Mississippi Valley (Fig. 303 ). 



4. V. lentago L. Sheepberry . Nannyberry . A shrub or small 

 tree to 10 m. high, with slender branches, slightly scurfy twigs, 

 and gray buds, the terminal long-pointed; drupes blue-black, 0. 8- 

 1. 5 cm. long, with sweet pulp. Stream-banks, Quebec to Manitoba 

 and South Dakota, south to Georgia, Missouri, and Colorado (Fig. 

 304 ). 



5. V. prunifolium L. Black Haw. Large shrub or small tree 

 to 8 m. high; bark blackish, broken into squarish blocks; branches 

 numerous, rigid, spreading; buds short-pointed, reddish, pubes- 

 cent; twigs glabrous; drupes blue-black, about 1 cm. long. Thickets, 

 Florida to Texas, north to Connecticut, Michigan, Iowa, and Kan- 

 sas (Fig. 305 ). 



6. V. rafinesquianum Schultes. Downy Arrowwood. (V. pubes - 

 cens of authors, not (Ait. ) Pursh). Loose straggling or dense 

 shrub up to 2 m. high; buds with 2 pairs of outer scales; branch- 

 lets glabrous, pale; fruit dark purple, ellipsoid, 7-9 mm. broad. 

 Dry slopes, Quebec to Manitoba, south to Georgia, Kentucky, and 

 Arkansas (Fig. 306 ). 



7. V. dentatum L. Southern Arrowwood . (V. scabrellum 

 (T. and G. ) Chapm. ). Shrub 1-3 m. high, with close gray bark; 



