CAPRIFOLIACE.fi. (HONEYSUCKLE FAMILY.) 165 



outside, yellowish within : a cultivated and loss showy variety has pale yello* 

 blossoms. 



* * Corolla ringent : the lower lip narrow, the upper broad and 4-kbed. 



2. Li. grata, Ait. (AMERICAN WOODBINE.) Leaves smooth, glaucous 

 beneath, obovate, the 2 or 3 upper pairs united ; flowers whorled in the axils of 

 the uppermost leaves or leaf-like connate bracts ; corolla smooth (whitish with a 

 purple tube, fading yellowish), not gibbous at the base, fragrant. Rocky wood- 

 lands, New York, Penn., and westward : also cultivated. May. 



3. It. Jliiva, Sims. (YELLOW HONEYSUCKLE.) Leaves smooth, very pale 

 and glaucous both sides, thickish, obovate or oval, the 2-4 upper pairs united into 

 a round cup-like disk ; flowers in closely approximate whorls ; tube of the 

 smooth (light yellow) corolla slender, slightly or not at all gibbous ; filaments 

 smooth. Rocky banks. Catskill Mountains (Pursh), Ohio to Wisconsin (a 

 variety with rather short flowers), and southward along the Alleghany Moun- 

 tains. June. 



4. Li. piirviflora, Lam. (SMALL HONEYSUCKLE.) Leaves smooth, ob- 

 long, green above, very glaucous beneath, the upper pairs united, all closely sessile ; 

 flowers in 2 or 3 closely approximate whorls raised on a peduncle ; corolla gib- 

 bous at the base, smooth outside (greenish-yellow tinged with dull purple), short (f 

 long) ; filaments rather hairy below. Rocky banks, mostly northward. May, 

 June. Stem commonly bushy, only 2 - 4 high. 



Var. Dougldsii. Leaves greener, more or less downy underneath when 

 young; corolla crimson or deep dull purple. (L. Douglasii, DC.) Ohio to 

 Wisconsin northward. 



5. Li. liirsilttl, Eaton. (HAIRY HONEYSUCKLE.) Leaves not glaucous, 

 downy-hairy beneath, as well as the branches, and slightly so above, veiny, dull, 

 broadly oval ; the uppermost united, the lower short-petioled ; flowers in ap- 

 proximate whorls ; tube of the (orange-yellow) clammy-pubescent corolla gibbous at 

 the base, slender. Damp copses and rocks, Maine to Wisconsin northward. 

 July. A coarse, large-leaved species. 



$ 2. XYL6STEON, Juss. Upright bushy shrubs : leaves all distinct at the base : 

 peduncles axillary, single, 2-bracted and 2-flowered at the summit ; the two berries 

 sometimes united into one : calyx-teeth not persistent. 



6. Li. ciliata, Muhl. (FLY-HONEYSUCKLE.) Branches straggling (3 - 

 5 high); leaves oblong-ovate, often heart-shaped, petioled, thin, downy beneath; 

 peduncles shorter than the leaves ; bracts minute ; corolla funnel-form, gibbous at 

 the base (greenish-yellow, $' long), the lobes almost equal ; berries separate 

 (red). Rocky woods; New England to Pennsylvania and Wisconsin, north- 

 ward. May. 



7. It. c<i5rulca, L. (MOUNTAIN FLY-HONEYSUCKLE.) Low (l-2 



high) ; branches upright; leaves oval, downy when young; peduncles very short ; 

 bracts awl-shaped, longer than the ovaries of the two flowers, which are united into om 

 (blue) beny. (Xylosteum villosum, Michx.) Mountain woods and .bogs, Mas- 

 sachusetts, New Hampshire, New Yoi'k, and northward : ulso Wisconsin. May. 

 Flowers yellowish, smaller than in No. 8. (Eu.) 



