April, 1914.] 
The Honeysuckle Family in Ohio. 
299 
THE HONEYSUCKLE FAMILY IN OHIO. 
Lillian E. Humphrey. 
Caprifoliaceae. Honeysuckle Family. 
Shrubs, trees, or perennial herbs with opposite leaves, with or 
without stipules; flowers axillary or terminal, sympetalous, usually 
pentamerous except the gynecium, epigynous, actinomorphic or 
zygomorphic, often 2-lipped, stamens united with the corolla, 
alternating with its lobes; ovulary 1-6-locular; styles slender, 
ovules anatropous; fruit a berry, drupe ,or capsule; seeds oblong, 
globose, or angular; embryo rather small situated near the hilum; 
endosperm fleshy. 
Synopsis. 
I. Style deeply 5-2-lobed; corolla rotate. 
1. Ovulary 5-3-locular; drupe 5-3-seeded; leaves pinnate. Sambucus. 
2. Ovulary 3-1-locular; drupe 1-seeded; leaves simple. Viburnum. 
II. Style single, slender; corolla more or less tubular. 
1. Stigma 5-3-lobed; ovulary 5-3-locular, ovules one in each cavity. 
Triosteum. 
2. Stigma capitate or nearly so; ovulary 3-2-locular, ovules several 
to many in each cavity, or at least several in some cavities. 
a. Fruit a berry. 
(a) . Ovulary with four cavities; corolla campanulate. 
Symphoricarpos. 
(b) . Ovulary with 3-2 cavities; corolla short or long tubular. 
(1) . Stamens 5; fruit fleshy. Lonicera. 
(2) . Stamens 4; fruit dry. Linncea. 
b. Fruit a capsule. Diervilla. 
Key to the Genera. 
1. Leaves simple. 2. 
1. Leaves compound, pinnate. Sambucus. 
2. Woody shrubs or vines. 3. 
2. Herbs with sessile axillary flowers; leaves connate or sessile, glandular, 
pubescent, perennial. Triosteum. 
2. Trailing somewhat woody plants with evergreen leaves; flowers on long 
peduncles, geminate; fruit tri-locular but one-seeded. Linncea. 
3. Flowers with rotate corolla; inflorescence cymose. Viburnum. 
3. Flowers with tubular to campanulate corollas; inflorescence a terminal 
spike or in axillary clusters. 4. 
4. Leaves entire or nearly so. 5. 
4. Leaves serrate, long-acuminate; ovulary elongated; stems ridged lat¬ 
erally; corolla funnelformed, calyx tube long, slender. Diervilla. 
5. Corolla almost actinomorphic, short, more or less campanulate; leaves 
normally entirepfruit a 4-locular 2-seeded berry. Symphoricarpos. 
5. Corolla zygomorphic, 2-lipped, tubular; fruit a several seeded berry 
Lonicera. 
