CAPRIFOLIACELfi. (HONEYSUCKLE FAMILY.^ 165 



outside, yellowish within : a cultivated and less showy variety has pale yellow 

 blossoms. 



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



2. 1^. 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. L.. flava, Sims. (YELLOW HONEYSUCKLE.) Leaves smooth, very pak 

 and glaucous both sides, thickish, obovate or oval, the 24 upper pairs united into 

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

 smooth {light yellow) corolla slender, somewhat gibbous; filaments almost or 

 quite smooth. Rocky banks. Catskill Mountains (PursJi), Ohio to "Wisconsin 

 (a variety with rather short flowers), and southward along the Allegheny 

 Mountains. June. 



4. L. parviflora, Lam. (SMALL HONEYSUCKLE.) Leaves smooth, ob- 

 bng, green above, very glaucous beneath, the upper pah's 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. Dougrlasii. Leaves greener, more or less downy underneath when 

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

 "Wisconsin northward. 



5. It. tiirsiita, 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 bas"c, 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, 1-bracted and 2-Jlowered at the summit ; the two berries 

 sometimes united into one : calyx-teeth not persistent. 



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

 5 high); leaves oblong-ovate, often heart-shaped, petided, tfiin, 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. L.. caerulea, 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, icliich are united into one 

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

 eachusetts, New Hampshire, New York, and northward : also Wisconsin. May. 

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



