CAPRIFOLIACEAE (^HONEYSUCKLE FAMILY) 755 



§ 1. XYL6STE0N [Toum.] Pers. Leaves all distinct; peduncles axillary^ 

 single, '2-Jloivered at the summit; the two berries sometimes united into one ; 

 calyoc^teeth not persistent. 



* Upright bushy shrubs. 



-*- Bracts (2 or sometimes 4) at the base of the ovaries small, lance-oblong to 



linear. 



++ Corolla-lobes subequal. 



= Peduncles short (3-7 mm. in length'). 



1. L. caerulea L., var. villbsa (Michx.) T. & G. (Mountain Fly H.) Low 

 (3-9 dm. high) ; branches upright; leaves oval, downy when young; bracts 

 awl-shaped, longer than the ovaries which are united into one blue edible beny ; 

 calyx-lobes glabrous ; corolla yello^^'ish. — Low woods and bogs, Lab. to Alaska, 

 s. to Pa., ^iich., Wise, Minn., etc. May, June. 



2. L. Morr6wi Gray. Shrub, 1.5-2 m. high, soft-downy ; branches spread- 

 ing ; leaves oblong, rounded or subcordate at base, dark green and somewhat 

 rugose above, much paler and grayish-tomentose beneath, obtuse or barely 

 acutish ; calyx-teeth hirsute or ciliate ; corolla-lobes subequal, nearly as long as 

 the tube, widely spreading, white or cream-colored ; berries bright red. — Fre- 

 quently cultivated, and now locally established in e. Mass. (Introd. from 

 Japan.) 



= = Peduncles long and slender (1.4-3 cm. in length). 



3. L. TATARiCA L. (Tartarian H.) 6'mooi^ shrub, 1.5-3 m. high; leaves 

 thin, glabrous, entire, cordate-oval, on short petioles ; corolla showy, white or 

 rose-colored ; the lobes subequal, icidely spreading, nearly as long as the tube; 

 berries united at the base, red or orange. — Escaped from cultivation and estab- 

 lished on rocky shores and sheltered banks. Me. to Ont., N. J., and Ky. May, 

 June. (Introd. from Asia.) 



4. L. canadensis Mai-sh. (American Fly H.) Branches straggling, 1-1.5 m. 

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

 when young, ciliate; corolla funnel-form, 2 cm. long, greenish-yellow, the lobes 

 much shorter than the tube ; berries separate, red. (Z. ciliata Muhl.) — Woods, 

 8. Que. to Sask., s. to Pa., Mich., Wise, and Minn. Apr.-June. 



•w. ++ Corolla strongly bilabiate, the lips of very unequal breadth, the upper 

 shallowly 4:-lobed, the lower of a single entire lobe. 



5. L. Xylosteum L. (European Fly H.) Erect shrub, 1-2 m. high; 

 leaves broadly oval, thin, very pubescent beneath, especially when young ; 

 peduncles rather short (8-12 mm. in length), thickish ; bracts and calyx pubes- 

 cent; corolla yellowish ; berries separate, red. — Escaping from cultivation and 

 becoming locally established in s. X. E., N. Y ., and N. J. (Introd. from Eu.) 



6. L. oblongif 51ia (Goldie) Hook. (Swamp Fly H.) Shrub, 5-15 dm. high; 

 branches upright; leaves 2-7 cm. long, oblong, downy when young, smooth 

 when old; peduncles slender, 1.5-4 cm. long; bracts minute or deciduous; 

 corolla deeply 2-lipped, 1-1.5 cm. long, yellowish-white; berries red or purplish, 

 united or nearly distinct. — Larch and Arbor Yitae swamps, n. N. B. to Man., 

 s. to Me., Vt., N, Y., w. Pa., Mich., and ]\Iinn. May-July. 



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



7. L. involucrata (Richards.) Banks. Pubescent, or becoming glabrous; 

 branches 4-angular ; leaves 0.5-1.5 dm. long, exceeding the peduncle, ovate- 

 oblong, mostly pointed, petioled, and with a strong midrib ; corolla yellowish, 

 viscid-pubescent, cylindraceous, 1-1.5 cm. long ; ovaries and globose dark purple 

 berries distinct. — Woods and banks of streams, n. N. B. and e. Que., shores of 

 L. Superior, northw. and westw. June, July. 



* * Twining or trailing shrub. 



8. L. japonka Thunb. (Japanese H.) Pubescent; leaves ovate or oblong, 

 thickish, entire, short-petioled ; peduncles rather short ; bracts leaf-like, con- 



