HONEYSUCKLE FAMILY. 213 



*+ ++ Corolla mostly shorter, hairy within. 



= Foliage conspicuously glaucous. 



L. Sullivantii, Gray. Leaves large, smooth, and oval or ovate-oblong, 

 sessile, and most of those on the flowering stems connate (the uppermost 

 forming a saucer-like disk), very glaucous ; flowers pale yellow, very 

 slightly gibbous below, in a somewhat loose cluster; filaments nearly 

 glabrous. Ohio, W. and S.; also cult., as L. ixXva and L. Canadensis. 

 . L. glauca, Hill. Leaves oblong, less glaucous than the last and 

 sometimes puberulent beneath, the 1-4 upper pairs connate ; flowers 

 smaller than the last (J' or less long), purplish or greenish, in a small 

 compact cluster, more gibbous below ; filaments hairy. N. Eng. W. 



= = Foliage green or very nearly so, hairy. 



L. hirsuta, Eaton. Hairy H. Leaves large and broad-oval, dull and 

 veiny, downy and somewhat whitened below, about 2 of the upper 

 pairs connate ; flowers in loose whorls, orange-yellow and clammy pubes- 

 cent ; the tube slightly gibbous. Woods, Me., W. 



+- -i- Leaves all separate and short- stalked. 



L. Periclymenum, Linn. (L. Belgica.) Leaves ovate, obtuse, atten- 

 uated at the base, sometimes downy, glaucous beneath ; flowers red out- 

 side and buff within, ringent, disposed in terminal heads. Eu. Some 

 varieties bloom throughout the summer. 



L. Japdnica, Thunb. (L. confiIisa ; also L. brachypoda, L. flexhosa, 

 and L. Halliana of gardens.) Japanese H. Long-trailing or climbing 

 vine with variable foliage ; leaves (sometimes variegated) generally ovate 

 and blunt, but sometimes acute, thin (but nearly evergreen in favorable 

 localities), and more or less hairy, at least when young, never glaucous; 

 slender stems hairy ; flowers long (2'), hairy, white or reddish outside, 

 fading to yellow, fragrant at nightfall. Common ; from Japan and China. 



8. DIBRVILLA, BUSH HONEYSUCKLE, WEIGELA. (Named for 

 Dr. Dierville, who took the common species from Canada to France.) 



* Corolla pale or honey-yellow, and slender funnel-form, not showy ; pod 



oblong. 



D. bifida, Moench. Common N. ; l°-4° high, with oblong-ovate, 

 taper-pointed leaves on distinct petioles, mostly 3-flowered peduncles, 

 and slender, pointed pods ; flowers all summer. Banks. 



I). sessilif61ia, Buckley. Along the Alleghanies S. ; has lance-ovate, 

 sessile leaves, many -flowered peduncles, and short-pointed pods. 



* * Corolla showy, mostly rose-colored, funnel-form, with an abruptly 

 narrowed base ; very slender, stalk-like ovary and linear pod. Species 

 much confused, but the following are the sources of the garden Weigelas. 

 From Japan and China. 



D. fl6rida, Sieb. & Zucc. Known under many names, as Weigela and 

 Diervilla rosea, D. amabilis, W. alba, W. Isalin^e, etc. Calyx teeth 

 lanceolate ; corolla rose-color ; seeds wingless and triangular ; leaves 

 ovate-lanceolate, serrate ; 5°-8°. Common in cult. 



D. Japdnica, DC. (D. hortensis.) Usually lower ; calyx teeth 

 linear ; corolla rose-color, the tube broadly funnel-shaped ; seeds (as in the 

 two next) winged ; plant more or less hairy, the under side of the young 

 leaves especially so ; flowers numerous, nearly or quite sessile. 



D. grandiflbra, Sieb. & Zucc. Larger, 6°-10° or sometimes even more, 

 with linear calyx teeth ; plant glabrous or very nearly so, the leaves much 

 larger than in the last ; the creamy (becoming rose) flowers on com- 



