178 Proceedin^s^s of the Ohio State Academy of Science 



76. Nyssa L. Tupelo. 



Trees or shrubs with alternate leaves and solid but dia- 

 phragmed pith. Fruit a drupe. 



1 . Leaves mostly entire, mostly acute or acuminate ; carpellate flowers 

 2-14 together ; stone little flattened. A^. sylvatica. 



1 . Leaves mostly entire, mostly obtuse ; carpellate flowers 1-3 together, 

 stone much flattened. N. biHora. 



1. Nyssa sylvatica Marsh. Tupelo. A large tree with 

 horizontal branches and with rough bark. Leaves bright crimson, 

 scarlet, or purple in autumn. Wood firm, heavy, strong, tough, 

 close-grained, and hard to split ; used for hubs of wheels, pulleys, 

 handles, wooden shoes, wooden ware, etc. Not durable if ex- 

 posed. In rich moist soil. Not easily transplanted. Me. and 

 Ont. to Fla., Mich., Tex., and Ohio. 



2. Nyssa biflora Walt. Water Tupelo. A large tree 

 similar to the preceding, the base swollen. In swamps and along 

 ponds. N. J. to Va., Fla., and Ala. 



Order, Rubiales. 



Caprifoliaccae. Floneysuckle Family. 



77. Viburnum L. Viburnum. 



Trees or shrubs with opposite leaves and i -seeded drupes. 

 1. Leaves prominently acuminate; 'petioles slender, margined. V. 

 lentago. 



1 . Leaves obtuse or merely acute. 2. 



2. Petioles slender, rarely margined; leaves glabrous or nearly so. 



V. prunifolium. 

 2. Veins of the lower leaf surfaces and winged petioles tomentose. 

 V. rufotomentosum. 



1. Viburnum lentago L. Sheepberry. A shrub or small 

 tree with glabrous acuminate winter buds. Drupe reddish-black, 

 with a bloom, sweet and edible. Wood hard, ill-smelling. In 

 rich soil. Hudson Bay to Man., N. J., Ga., Kan., and Ohio. 



2. Viburnum prunifolium L. Black Haw. A shrub or 

 small tree with acute winter buds, often reddish-pubescent. Drupe 



