HONEYSUCKLE FAMILY 813 



Corolla short, open-carapanulate. 



Fruit red: stylo bearded. 1. S. Symphoricarpos. 



Fruit while: style filahrous. 



Style and stamens somewhat exserted: leaves thick. 2. S. occulvntaUs. 



Style and stamens not e.\.serted; leaves rather thin. 



Erect -slu'ub; leaves 2-5 cm. long; clusters several-flowered. 



3. S. racemosus. 

 Diffuse shrub; leaves 1-2.5 cm. long; clusters 1-2-flowered. 



4. S. pauciflorus. 

 Corolla elongate, oblong-campanulate to salverform. 



Style glabrous: corolla with short, slightly spreading lobes. 

 Corolla oblong-campanulate, 6-8 mm. long. 



Leaves decidedly i)ul>e.scent; stem puberulent; leaves roimded-oval, obtuse or 



roimded at the ape.\. 5. S. rolundifolius. 



Leaves glabrate or slightly pubescent. 



Leaves rounded-ovate oi rounded-oval, 3—4 cm. long. 



6. S. utahensis. 

 Leaves oval, acute, 1-2 cm. long. 7. S. vaccinioides. 



Corolla tubular-funnelforin, 8-12 mm. long. 8. S. oreophilus. 



Style bearded; corolla salverform, with long divaricate lobes. 9. S. longiflorus. 



1. S. Symphoricarpos (L.) MacMill. Shrub 5-15 dm. high, with pubes- 

 cent jiurphsh branches; leaf-blades oval or ovate, entire or wavy, soft pubescent 

 beneath, 2-4 cm. long; flower-clusters shorter than the leaves; corolla campanu- 

 late, pinkish, 4 mm. long; berry ovoid-globose, 3-4 mm. long. S. vulgaris Michx. 

 S. orbiculatus Moench. Cor.'VL-berky. River banks: N.Y. — Ga. — Tex. — Colo. 

 — Mont. Plain. ,11. 



2. S. occidentalis Hook. Shrub 1-1.5 m. high, with slender, Hght-colored 

 branches; leaves rounded-oval, broadly ovate or almost orbicular, 3-7 cm. long, 

 obtuse or rounded at the apex, more or less pubescent beneath, rather thick and 

 firm, the margins entire or on vigorous shoots deeply sinuately toothed; flower- 

 clusters spicate, 10-25 ram. long; corolla 6 mm. long; fruit globular, white, 8-10 

 mm. in diameter. Hillsides, open woods, and river banks: Mich. — Mo. — Colo. 

 — B.C. Plain — Submont. Je-Jl. 



3. S. albus (L.) Blake. Shrub erect, 5-15 dm. high, with slender glabrous 

 branches; leaves rather thin, oval, obtuse at both ends, sometimes slightly pubes- 

 cent beneatli, sab-entire or on young shoots sinuate dentate; terminal flower- 

 clusters often interrupted spicate, the axillary few-flowered; corolla thin, slightly 

 gibbous, 6 mm. long, bearded within; fruit white, globose, 6-10 mm. in diameter. 

 <S'. racemosus Michx. Rocky places and on river banks: N.S. — Va. — Wyo. — 

 Colo. — Calif. — B.C. Submont. Je-Au. 



4. S. pauciflorus (Robbins) Britton. Shrub low, diffusely branched, 15-25 

 dm. high; leaves broadly oval or orbicular, softly pubescent beneath, 12-25 mm. 

 long, entire; flowers 2-3 in terminal spikes and solitary in the upper axils; corolla 

 open-campanulate, 4-6 mm. long, bearded within; fruit oval to globose, 4-6 mm. 

 in diameter. Rocky places: Vt. — Pa. — Neb. — N.M. — B.C. Submont. Je-Jl. 



5. S. rotundifolius A. Gray. Shrub low, less than 5 dm. high, with spread- 

 ing pubescent branches; leaves thick, 1-2 cm. long, orbicular to broadly oval, 

 generally entire; flowers in small axillarj' clusters; corofla elongate-campanulate, 

 6-8 mm. long, pubescent within, below the stamens; fruit white, ovoid, 10 mm. 

 long and 7 mm. broad; stones oval, obtuse at both ends. Mountains: w Tex. — 

 Colo. — Nev. — Calif. Submont. 



6. S. utahensis Rydb. Shrub 1 m. or more high, with brownish bark; 

 leaves broadly ovate, more or less rounded at both ends, obtuse or often mucron- 

 ate, often coarsely sinuately toothed, pubescent when young, 3-4 cm. long and 

 2-3 cm. wide; flowers in terminal one-sided, drooping, short spikes, or with smaller 

 clusters in the upper axils; corolla elongate-campanulate, about 8 mm. long. 

 Dry mountain-sides: n Utah — Colo. Submont. 



7. S. vaccinioides Rydb. Shrub intricately branched, with dark grayish 

 brown shreddy bark on the old branches and yellowish brown on the young ones; 

 leaves about 2 cm. long, oval, acute at both ends, dark green above, more or less 

 glaucous beneath, puberident or glabrate; corofla 6-8 mm. long; fruit white, 

 about 1 cm. long and 7 mm. in diameter. S. teionensis A. Nels. Dry hiUsides; 

 Alta. — -Wash. — Nev. — Wvo. Submont. 



