180 CAPKIFOLIACEAE 



1. S. Canadensis L. Elderberry. 3°-15° high : leaflets 3-11, 

 ovate, acnminate, serrate : cymes somewhat flat-topped : fruit dark pur- 

 ple. — Abundant in open grounds. June- July. 



2. VIBURNUM L. 



Shrubs with white flowers in flat compound cymes, as in Sambucus. 

 Fruit a one-seeded drupe. 



Leaves conspicuously acuminate. 1. V. Lentago. 



Leaves not acuminate. 2. V. prunifoKum. 



1. V. Lentago L. Black Haw. 5°-15° high : leaves ovate, petioled, 

 sharply serrate, glabrous, usually long-aouminate-pointed : cymes sessile, 

 several-rayed : drupe 6" long, bluish-black. — Not uncommon in wood- 

 lands. May. 



2. V. prunifolium L. Black Haw. About the size of the last, but 

 the leaves are broadly oval, obtuse or acutish : cyme sessile, several-rayed, 

 2''-4' broad : drupe oval, bluish- black and glaucous, \"-h" long. — Eocky 

 woods east of Independence. Eather rare. May. 



3. TRIOSTEUM L. 



Perennial herbs with opposite connate-perfoliate leaves, the flowers ses- 

 sile in their axils. Calyx with five rather foliaceous lobes. Corolla cam- 

 panulate, gibbous at base, unequally 5 lobed. Stamens five. Stigma 3- 

 5-lobed. Fruit a dryish drupe containing three 1-seeded nutlets. 



1. T. perfoliatum L. Fevekwort. 2°-4° high, hairy : leaves ovate, 

 strongly narrowed at base : flowers brownish-purple — Eather common in 

 rich woods. May-June. 



4. SYMPHORICARPOS Juss. 



Shrubs with short-petioled leaves and axillary clustered flowers. Calyx 

 slightly 4-5-toothed. Corolla campanulate, 4-5-lobed. Stamens 4-5. 

 Stigma capitate. Fruit a 4-celled, 2-seeded berry. 



1. S. orbiculata Moench. Buckjjush. Buckbkery. Much-branch- 

 ing, 2°-10° high : leaves oval, undulate, hairy beneath : style and corolla 

 sparingly bearded : fruit reddish. Woods throughout. Probably our 

 most common undershrub. July. 



5. LONICERA L. 



Ours is a twining shrub with opposite connate-perfoliate entire leaves. 

 Calyx 5-toothed. Corolla tubular or funnel-form, glabrous at base, irreg- 

 ularly 5-lobed. Stigma capitate. Ovary 2-3-celled, many-ovuled. Fruit 

 a several-seeded berry. 



1. L. dioica L. Honeysuckle. Glabrous, 3°-8° long : leaves gla- 

 brous and glaucous : corolla yellow : stamens hirsute below. — Occasional 

 along the Eocky Missouri Eiver bluffs, near Pixleys and along Brush 

 Creek. May-June. 



