120. Caprifoliaceae 229 



5. Lonicera L. — Honeysuckle 



1. Erect shrubs; leaves opposite, not connate-perfoliate; berries red. 

 2. Young twigs and lea\es pubescent or pubeiailent; peduncles 

 not or scarcely longer than the flowers. 

 3. Corolla more or less pubescent outside. 



4. Filaments pubescent below the middle; corolla strongly 

 bilabiate, yellowish white, the upper lip 4-lobed, the 

 lower one not lobed; bractlets much shorter than the 

 ovaries; occasionally escaped from cult.; introd. from 



Eurasia. May. European Fly Honeysuckle 



L. xylosteum L. 



4. Filaments glabrous; corolla scarcely bilabiate, the lobes 

 nearly equal; bractlets pilose, longer than the ovaries; 

 roadsides, etc., or persisting near dwellings; introd. from 



Asia. May-June. Morrow Honeysuckle 



L. morrowi A.Gray 



3. Corolla and filaments glabrous; bractlets much longer than 

 the ovaries; a garden hybrid, sometimes escaped and be- 

 coming established on rocky blufTs, in thickets, along rail- 

 roads, or in woodland pastures in several localities in the 

 northern half of 111. May-July. Originated in Eur. [L. 



morrowi )x( tatarica Zabel] Belle Honeysuckle 



L. bella Zabel 



2. Twigs, leaves, and flowers glabrous; peduncles rrmch longer 

 than the white to pink flowers; often planted and sometimes 

 escaped to roadsides and waste places; native of Asia. May- 

 June. Tatarian Honeysuckle L. tatarica L. 



1. Stems twining or trailing. 



5. Flowers in terminal clusters; upper leaves connate-perfoliate. 



6. Corolla 2-Iipped, the upper lip 4-lobed, the lower entire. 



7. Corolla-tube 6-10 mm long; filaments hirsute at base; 



leav'es green above, glaucous beneath; rocky soil, local; 



known from Cook, Kane, and Lake counties. May-June. 



Glaucous Honey.suckle [L. glauca Hill; L. parvifiora 



Lam.] L. dioica L. 



7. Corolla tube 10-14 mm long; filaments nearly glabrous; 

 leaves glaucous on both sides; woods in the n. half of 

 111., extending southw. to Cumberland Co. May-June. 



Sullivant's Honeysuckle [L. sullivantii A.Gray] 



L. prolifera (Kirchn.) Rehd. 



6. Corolla red, tubular, the short limb nearly equally 5-lobed; 

 cultivated and sometimes escaped. May-Oct. Trumpet 



Honeysuckle L. sempervirens L. 



5. Flowers in pairs from the upper axils, white or pink, turning 

 yellow, 2.5-4 cm long, fragrant; leaves ovate or oval, not 

 connate-perfoliate; young branches \illous; an aggressive 

 woodland weed in the s. half of 111.; native of Asia. May- 

 July. Japanese Honeysuckle L. japonica Thunb. 



