178 ELEMENTS OF BOTANY. 



2. S. PULVERULEXTA Miclix. IJowNY SxoKAx. A shrub 4-6 

 ft. high ; leaves elliptical to obovate, acute at each end, entire or 

 slightly toothed, the lower surface as well as the twigs, pedicels and 

 calyx densely scurfy or stellate-pubescent; racemes short, terminal 

 or axillary, pedicels short ; flowers fragrant ; calyx teeth subulate ; 

 fruit globose, puberulent. March-April. Pine-barren swamps. 



3. S. GRANDiFLORA Ait. Large-leaved Storax. A shrul) 

 4-10 ft. high; leaves large, 3-6 in. long, obovate or oval, acute at 

 each end, entire or coarsely toothed, smooth above, white-tomentose 

 below ; petioles short ; racemes many-flowered, flowers longer than 

 the pedicels; calyx furrowed, teeth triangular, acute; fruit obovoid, 

 puberulent. March-]\Iay. In rich woods. 



100. OLEACEiE. OLIVE FAMILY. 



Trees or shrubs ; leaves opposite, simple or compound, ex- 

 stipulate, deciduous or evergreen ; flowers in terminal or 

 axillary clusters, perfect, polygamous or dioecious ; calyx 

 small, 4-parted, free from the ovary, or none ; corolla 4-lobed, 

 or 4-petalous, or wanting ; stamens 2-4, distinct ; ovary 

 2-celled, 2 ovules in each cell, style usually short or none ; 

 fruit a 1-2-seeded capsule, samara, drupe or berry. 



I. FRAXINUS. 



Trees ; leaves petioled, compound, odd-pinnate, deciduous ; 

 flowers in racemes or fascicles from buds of the previous 

 season, polygamous or dioecious ; calyx minutely 4-toothed, 

 or wanting ; corolla usually wanting ; stamens 2-4, hypogy- 

 nous, anthers longer than the filaments ; stigma 2-cleft ; 

 fruit a 1-2-seeded samara winged at the apex. 



1. F. Americana L. White Ash. A large tree ; bark rough, 

 gray, wood hard, strong, elastic ; twigs and petioles glabrous ; leaflets 

 usually 7, ovate to ovate-lanceolate, acuminate at the apex, rounded 

 or obtuse at the base, entire or slightly serrate, smooth above, often 

 pubescent beneath, short-stalked ; flowers mostly dioecious ; calyx of 

 the pistillate flowers persistent; samara li-2 in. long, winged only 

 at the apex, wing spatulate or oblanceolate. April-May. In rich 

 woods and swamps. 



2. F. Pennsylvanica Marsh. Ked Ash. A small tree ; bark 

 rough, dark gray ; twigs and petioles densely velvety-pubescent ; 



