Jones: Flora of Illinois, 146. Caprifoliaceae 237 



8. Corolla 3-Iobed, the lobes obtuse; leaves of the main stem mostly in 

 sixes and fives; stems diffuse, slender. 

 9. Pedicels smooth, straight, 2-6 mm. long; flowers in twos and threes; 



wet ground, rare; n.e. 111. May-Sept. [G. claytoni Michx.] 



G. tmctorium L. 



9. Pedicels scabrous, usually arcuate, 5-10 mm. long; flowers solitary; 

 swamps and bogs, rare. July-Aug G. trifidum L. 



146. Caprifoliaceae Vent. — Honeysuckle Family 



I. Plants trailing; leaves roundish or oval, crenate, evergreen; flowers nodding in pairs; 

 fruit ovoid, indehiscent, 1 -seeded 4. Linnaea 



1 . Erect or climbing shrubs, or herbs. 

 2. Shrubs with erect or twining stems. 



3. Leaves pinnate; fruit berry-like, 3-5-seeded 1. Sambucus 



3. Leaves simple. 



4. Flowers in compound cymes; fruit a 1 -seeded drupe 2. Viburnum 



4. Inflorescence otherwise. 



5. Leaves not serrate; fruit a berry or drupe. 



6. Flowers regular or nearly so; fruit a berry-like drupe with 2 nutlets 



3. Sympboricarpos 



6. Flowers mostly irregular; fruit a few — many-seeded berry 5. Lonicera 



5. Leaves serrate; flowers yellow; fruit a capsule 6. Diervilla 



2. Herbs; flowers axillary; leaves connate or sessile; fruit a drupe 7. Triosleum 



1. Sambucus L. — Elder 



1. Inflorescence flat-topped, 10-40 cm. broad; fruit black (rarely greenish yel- 

 low) ; pith white; moist ground along roads, in woods, or along streams 



and lakes, common throughout 111. June-July. Common Elder .. 



S. canadensis L. 



1. Inflorescence ovoid, 4-5 cm. broad; fruit bright red (rarely yellow); pith 

 brown; moist rocky woods, rare; known from Cook and La Salle counties. 

 Apr. -May. Red Elder. [S. racemosa of auth., not L.} ...S. pubens Michx. 



2. Viburnum L. — Viburnum 

 1. Leaves not lobed. 



2. Leaves serrate or serrulate, the veins curving and anastomosing before 

 reaching the margin; petioles flat or channelled and somewhat mar- 

 gined; cymes sessile or nearly so. 

 3. Winter buds scurfy- punctate, usually somewhat glossy; blades thin, 

 acute or acuminate. 

 4. Blades abruptly acuminate, sharply serrate; wet ground, chiefly in the 



n. half of the state. May-June. Nannyberry V. lentago L. 



4. Blades acute or obtuse at the apex, serrulate with incurved teeth; 

 petioles glabrous or nearly so; moist woods, common. May-June. 



Blackhaw. [F. bushii Ashe} V. prunifolium L. 



3. Winter-buds dull, porous, puberulent; blades firm, obtusish; petioles 

 more or less reddish-tomentulose; wooded ravines, s. 111., rare. Foun- 

 tain Bluff, Cranwill; Gallatin Co., Mattoon. May. Southern Black- 

 haw V. rufdtdum Raf. 



