Vol. III.] 



HONEYSUCKLE FAMILY. 

 6. LONICERA L. Sp. PI. 173. 1753- 



237 



Erect or climbing shrubs, with opposite mostly entire leaves; flowers spicate, capitate 

 or geminate, usually somewhat irregular. Calyx-tube ovoid or nearly globular, the limb 

 slightly 5-toothed. Corolla tubular, funnelform, or campanulate, often gibbous at the base, 

 the limb 5-lobed, more or less oblique, or 2 lipped. Stamens 5, inserted on the tube of the 

 corolla; anthers linear or oblong. Ovary 2-3-celled; ovules numerous in each cavity, pen- 

 dulous; style slender; stigma capitate." Berry fleshy, 2-3-celled or rarely i-celled, few- 

 seeded. Seeds ovoid or oblong with fleshy endosperm and a terete embryo. [Named for 

 Adam Lonitzer, 152S-1586, a German botanist.] 



About 100 species, natives of the north temperate zone, a few in tropical regions, 

 following, some 8 others occur in the western parts of North America. 



Besides the 



-::- Climbing or trailing vines; flowers in heads, or interrupted spikes; upper leaves connate-perfoliate. 



I. L. Caprifolium. 



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

 Corolla glabrous within. 

 Corolla pubescent within. 



Leaves pubescent, at least beneath; corolla yellow. 



Leaves pubescent on both sides, at least when young, ciliate; corolla slightly gibbous 



at base. 2. L. hirsuta. 



Leaves glabrous above, pubescent beneath; corolla-tube strongly gibbous at the base. 



3. L. glaucescens. 

 Leaves glabrous on both sides, very glaucous beneath. 

 Corolla greenish yellow, the tube somewhat gibbous. 



Corolla-tube z"~5" l n g; filaments hirsute at the base. 

 Corolla-tube 5" -7" long; filaments nearly glabrous. 

 Corolla bright yellow or orange, its slender tube not gibbous. 

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



L. dioica. 



L. Sullivanlii. 



L,. flava. 



L. sempervirens. 



5fr : Climbing vines; flowers in pairs on short axillary peduncles. 



8. L. Japoiiica. 

 -,'- -a- vr Shrubs; flowers in pairs on axillary bracted peduncles. 



Bracts of the peduncle subulate, linear, minute, or none. 

 Leaves rarely cordate, more or less pubescent, or ciliate. 



Leaves pale, or glaucous, thick, strongly reticulate-veined. 



Peduncles shorter than the flowers; fruit blue; leaves ciliate. 

 Peduncles equalling the flowers; fruit red; leaves not ciliate. 

 Leaves bright green, thin, ciliate, not strongly reticulate; fruit red. 

 Leaves pale, densely pubescent beneath, even when old. 

 Leaves cordate, glabrous. 

 Bracts of the peduncle broad, foliaceous. 



9. L. coerulea. 



10. L. oblongifolia. 



11. L. cilia/a. 



12. L. Xylosteum. 



13. L. Tatarica. 



14. L. involucrata. 



i. Lonicera Caprifolium L,. Italian, or Perfoliate Honeysuckle. (Fig. 3455.) 



L. Caprifolium L. Sp. PI. 173. 1753. 

 Lonicera grata Ait. Hort. Kew. 1: 



231. 1789. 

 Caprifolium gratum Pursh. Fl. Am. 



Sept. 161. 1814. 



Climbing high, glabrous and some- 

 what glaucous. Upper one to three 

 pairs of leaves connate-perfoliate, 

 glaucous beneath, the others sessile 

 or short-petioled, oval or obovate, 

 all rounded at the base, entire; 

 flowers in terminal capitate sessile 

 clusters; corolla glabrous within, 

 i / -i^ / long, purple without, the 

 limb white within, strongly 2- 

 lipped; upper lip 4-lobed, the lower 

 one narrow, reflexed; tube slightly 

 curved, not gibbous; stamens and 

 style much exserted; berries red. 



Thickets, southern New York, New 

 Jersey and Pennsylvania to Michigan 

 and in the southern States. Escaped 

 from cultivation and naturalized. Na- 

 tive of Europe. Called also American, 

 or Fragrant Woodbine. May-June. 



