204 CAPRIFOLIACE^. (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. flava, Sims. (Yellow Honeysuckle.) Leaves smooth, very pale 

 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 (Ugh? 

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

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

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



4. L. parviflora, Lam. (Small Honeysuckle.) Leaves smooth, oh 

 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 

 (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. hirsuta, 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-pctioled ; 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. XYLOSTEON, Juss. Upright bushy shrubs: leaves all distinct at the base : 

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

 united into one : calyx-teeth not persistent. 

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



6. L. involucrata, Banks. Pubescent, or becoming glabrous ; branches 

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

 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. Bobbins) and westward. June. 



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

 1. L. eiliata, Muhl. (Fly -Honeysuckle.) Branches straggling (3° - 

 5° high) ; leaves oblong-ovate, often hart-shaped, 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. C8Brulea, L. (Mountain F.) Low (1° -2° high) ; branches up- 

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

 longer than the. ovaries of the two (3-ellowish) flowers, which are united into one (blue) 

 berry. (Xyldsteum villosum, Michx.) — Mountain woods and bogs, Rhode Isl 

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



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

 long, downy when young, smooth when old; peduncles long and slender; bract$ 





