April, 1914.] The Honeysuckle Family in Ohio. 
301 
3. Outer flowers of the cyme large and flat. V. alnifolium. 
3. Outer flowers not enlarged. 4. 
4. Leaves coarsely dentate. 0 . 
4. Leaves serrate or denticulate. 7. 
5. Leaves sessile or the petioles not exceeding }4 inch; oval to ovate, 
acuminate, pubescent; stipules long, slender, prominent. 
V. pubescens. 
5. Leaves with petioles 14 to \ l A inches long, broadly oval, obtuse to long 
acute. G. 
6. Leaves pubescent beneath, more or less stellate; cyme pubescent. 
V. scabrellum. 
6. Leaves glabrous beneath sometimes with tufts of hair in the axils; cyme 
glabrous or nearly so. V. dentatum. 
7. Leaves very pubescent, denticulate, cyme stalked. V. lantana. 
7. Leaves glabrous or nearly so, serrate or crenulate. 8. 
8. Leaves ovate-lanceolate, usually crenulate; petioles rather stout; 
peduncles about the length of the cyme or shorter. V. cassinoides. 
8. Leaves ovate or broadly oval, margin serrate; petioles slender; cyme 
sessile or nearly so. 9. 
9. Leaves long-acuminate; petioles often wavy margined. V. lentago. 
9. Leaves obtuse or sometimes acute, oval; petioles rarely margined. 
V. prunifolium. 
1. Viburnum pubescens (Ait) Prash. Downy Arrow-wood. 
A shrub 18 to 46 feet high with straight gray branches; leaves 
ovate or obovate, acute or acuminate, rounded or somewhat 
cordate at the base, sessile or short petioled, margin dentate, 
upper surface sparsely pubescent, under surface velvety pubescent, 
If to 2f inches long, f to If inches broad; cyme peduncled, If to 
2f inches broad, all flowers bisporangiate; fruit an oval drupe 
about 2f inches long; stone somewhat 2-grooved on both sides. In 
rocky woods. Lorain, Erie, Wyandot, Auglaize, Wilhams. 
2. Viburnum dentatum L. Toothed Arrow-wood. A shrub 
about 15 feet high with glabrous branches; leaves If to 4f inches 
long, 1 to 3 inches wide, ovate to bread ovate or orbicular, base 
rounded or somewhat cordate, acute or short acuminate, petioles 
f to If inches long, veins prominent, margin coarsely dentate, 
both surfaces glabrous except a slight pubescence in the axils on 
the under surface; cymes with long peduncles, 2 to 3 inches broad. 
In moist soil. Ashtabula, Geauga, Lorain, Summit, Stark, 
Wayne, Ashland, Tuscarawas. 
3. Viburnum scabrellum (T & G) Chapm. Roughleaf 
Arrow-wood. A shrub with more or less densely tomentose 
twigs; leaves If to 5 inches long; f to 3f inches broad, usually 
tomentose on both sides, crcnate or dentate; petioles short and 
stout; fruit an ovoid, globose, blue drupe. Along river banks 
and in moist woods. Adams, Brown, Hocking, Madison. 
4. Viburnum cassinoides L. Withe-rod. A shrub 2 to 12 
feet high with ascending branches, more or less gray, often scurfy 
or glabrate; leaves ovate to obovate, thick, base often narrowed 
but sometimes rounded, apex acute, margin crenulate, £ to 3f 
