338 CAPRIFOLIACEAE. 



470. LINNAEA. Twin-flower. 



Creeping and trailing small evergreen herbs; leaves ovate or 

 orbicular, opposite, petioled; flowers in pairs, on the summit of 

 elongated terminal peduncles; calyx- teeth 5, awl-shaped, decidu- 

 ous; corolla funnelform, almost equally 5-lobed, purple and whit- 

 ish, hairy inside; stamens 4, two shorter, all included and inserted 

 near the base of the corolla; ovary and the small dry pod 3-celled, 

 but one seed ripening, the other ovules abortive. 



Linnaea borealis longiflora Torr. Twin-flower. Stem perennial, trailing, 

 slender, pubescent, 30-100 cm. long; leaves obovate or orbicular, obtuse, 

 crenate above the middle, mostly cuneate at base, sparingly pubescent, 10-25 

 mm. long, short-petioled; flowering branches erect, 8-10 cm. high, leafy below, 

 forked above into two, very rarely more, glandular pedicels, each bearing a 

 single nodding flower; calyx-lobes lanceolate, about twice as long as the very 

 glandular tube; corolla pink, hairy inside, 1-1.5 cm. long. 



In woods, very common. 



471. SYMPHORICARPOS. Snowberry. 



Low and branching shrubs; leaves oval or oblong, short- 

 petioled, entire or wavy-margined; flowers 2-bracteolate, in axil- 

 lary and terminal spikes or clusters, rarely solitary; calyx- teeth 

 5 or 4, short, persistent; corolla regular or nearly so, bell-shaped 

 to salverform, white or pink, 5- or 4-lobed; stamens as many as 

 the corolla-lobes, epipetalous; ovary 4-celled, two of these being 

 1-ovuled and fertile, the two alternate several-ovuled and sterile; 

 fruit globular and berry-like, containing 2 bony seed-like nutlets. 



Erect shrub ; leaves glabrous. 5. albus. 



Trailing shrub; leaves pubescent. 5. mollis. 



Symphoricarpos albus (L.) Blake. (S. racemosus Michx.) Erect much 

 branched shrub, 30-90 cm. high; leaves ovate or oval, acute or obtuse, rounded 

 or cuneate at base, entire or on vigorous shoots sinuately-toothed or lobed, 

 pubescent beneath, sho'rt-petioled, 1-4 cm. long; flowers in terminal and axil- 

 lary racemes; corolla pink, campanulate, 4-5 mm. long, villous on the lobes 

 within, these obtuse, shorter than the tube; stamens and style included; 

 berries white. 



Common in open woods. 



Symphoricarpos mollis Nutt. Whole plant covered with a short dense 

 pubescence; stems weak, reclining, 30-120 cm. long; leaves oblong to oval, 

 1-2 cm. long, entire or on vigorous shoots deeply and sinuately lobed, acute 

 or obtuse; flowers in clusters of 1-6; corolla pink, campanulate, 4 mm. long, 

 slightly villous within, the lobes obtuse, as long as the tube; stamens and 

 style included; berries white. 



In dry open woods. 



472. LONICERA. Honeysuckle. 



Erect or climbing shrubs; leaves opposite, mostly entire; 

 flowers in spikes or pairs; calyx minutely 5-toothed; corolla 

 tubular or funnelform, often gibbous at the base, more or less 



