204 CAPRIFOLIACEiE. (HONEYSUCKLE FAMILY.) 



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. fliva, Sims. (Yellow Honeysuckle.) Leaves smooth, very pate 

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

 round cup-like disks ; flowers in approximate whorls ; tube of the smooth [light 

 yellow) corolla somewhat gibbous; filaments almost or quite smooth. — Rocky 

 banks. Catskill mountains (Pursh), Ohio to Wisconsin (a form with rather 

 short flowers), and southward along the Alleghany Mountains. June. 



4. L. parviflbra, 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- 

 boas at the base, smooth outside [greenish-yellow tinged with dull purple), short 

 (9" long); filaments rather hairy below. — Rocky banks, mostly northward. 

 May, June. — Stem commonly bushy, only 2° -4° high. 



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

 young, or ciliate; corolla crimson or deep dull purple. (L. Douglasii, DC.) — 

 Northern Ohio to Wisconsin and northward. 



5. L. hirstlta, Eaton. (Haiky Honey'suckle.) 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. XYL6STE0N, Juss. Upright bushy shrubs: leaves all distinct at the base : 

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

 united into one : calyx-teeth not persistent. 

 » The two flowers involucrate by 4 conspicuous and broad foliaceous bracts. 



6. L. involuerS,ta, Banks. Pubescent, or becoming glabrous ; branches 

 4-angular ; leaves (3' - 6' long) ovate-oblong, mostly pointed, petioled, and mth 

 a strong midrib, exceeding the peduncle ; corolla yellowish, viscid-pubescent, 

 cylindraceous (6"- 8" long); ovaries and globose berries distinct. — Deep 

 woods. Lake Superior ( C. G. Loring, Jr., Dr. Robbins) and westward. June. 



* * Bracts (2 or sometimes 4) at the base of the ovaries minute. 



7. L. ciliata, Muhl. (Fly-Hone ystjckle.) Branches straggling (3°- 

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

 filiform peduncles shorter than the leaves; corolla funnel-form, almost spurred 

 at the base (greenish-yellow, |' long), the lobes nearly equal; berries separate 

 (red). — Rocky woods, Mass. to Penn., Wisconsin, and northward. May. 



8. L. csertllea, L. (Mountain P.) Low (10-2° high) ; branches up- 

 right; leaves oval, downy when young; peduncles very short; bracts awl-shaped, 

 longer than the ovaries of the two (yellowish) powers, which are united into one [blue) 

 berry. (Xyldsteum villosum, Michx.) — Mountain woods and bogs, Massachu- 

 setts to Wisconsin, northward. May. (Eu.) 



9. L. oblongif61ia, Muhl. (Swamp F.) Branches upright; leaves ob- 

 long, downy when young, smooth when old ; peduncles long and slender; bracts 



