214 VALERIANACEAE (VALERIAN FAMILY) 



BB. Trailing; leaves pubescent. W, C. E. S. mollis 

 AA. Corolla 6-12 mm. long. 



C. Corolla tube 2-3 times as long as its lobes; leaves tomentulose or pubescent. 

 C. E. S. rotundifolius 



CO. Corolla tube 4-5 times as long as its lobes; leaves glabrous or sparsely hairy. 



E. 3. orephilus 



LONICERA (Honeysuckle) 



Shrubs or small trees, erect to climbing. Flowers in spikes or heads or 

 pairs. Calyx tube ovoid or nearly spherical ; limb none or slightly 5-toothed. 

 Corolla tubular to campanulate, either oblique or 2-lipped. Stamens 5. — 

 (Honor of A. Lonitzer, a German botanist.) 



A. Climbing or twining or trailing, vinelike; flowers in terminal clusters; upper pair 

 of leaves united at base. 

 B. Flowers orange to scarlet; young stem glabrous. 

 C. Corolla 25-40 mm. long, its tube many times as long as its lower lip; leaf margin 

 usually ciliate. W. C. E. L. ciliosa (orange honeysuckle) 



CC. Corolla 12-16 mm. long, its tube less than twice as long as its lower lip; leaf 

 margin not ciliate. U. L. callfornlca (California honeysuckle) 



BB. Flowers pink; young stem hairy. W, L. hispidula (pink honeysuckle) 



AA. Erect, the branches sometimes long, and reclining on other shrubs; flowers in pairs 

 on axillary peduncles; upper pairs of leaves not united. 



D. Pair of flowers or fruits subtended by narrow or minute bracts, or bractless. 

 E. Leaves green on both sides; fruit red. 



F. Corolla whitish, its lobes nearly equal; leaves obtuse. W. C. E. 



L. utahensis (red twin-berry) 

 FF. Corolla dark purple, 2-Iipped; leaves acute or acuminate. C. E. 



L. conjugialls 



EE. Leaves somewhat pale beneath; fruit blue-black; corolla yellowish, 2-lipped. 



C. L. coerulea (edible twin-berry) 



DD. Pair of flowers or fruits subtended by large wide leaflike bracts; flowers yellow; 



fruit black. W. C. E. L. Involucrata (black twin-berry) 



VALERIANACEAE (Valerian Family) 



Herbs. Leaves opposite; stipules none. Flowers usually small, 

 perfect or dioecious, clustered. Calyx limb inconspicuous or none 

 in the flower, often becoming prominent in fruit. Corolla some- 

 what irregular, s-lobed. Stamens 3, on the corolla, alternate with 

 corolla-lobes, usually exserted. Ovary inferior^ 1-3-celled; style i. 

 Fruit dry, indehiscent. Seed i. 



A. Annual; calyx teeth not plumose; fruit 3-celled; leaves entire to dentate; 



flowers white or pink or blue. VALERIANELLA (p. 215) 



AA. Perennial; calyx teeth plumose; fruit i-celled; leaves entire to compound; 



flowers white or pink or yellowish. VALERIANA (p. 215) 



