LONICERA 



LONICERA 



1905 



KEY TO THE SPECIES. 

 A. Fls. in axillary pairs. 

 B. Habit upright, sometimes prostrate. 

 c. Branches with solid white pith. 

 D. Corolla with regular or nearly 



regular 5-lobed limb. 

 E. Tube of corolla equally tubular 

 or campanulate: bractlets at 

 least half as long as ovary: 

 berries distinct: Ivs. scarcely 

 exceeding 1 in. 

 F. Stamens and style inclosed 



in the tube: fr. bright red. 

 G. Lvs. glabrous beneath. ... 1. syringantha 

 GG. Lvs. tomentose beneath... . 2. thibetica 

 FF. Stamens and style exserted: 

 fr. whitish or pale bluish 



purple, bloomy 3. spinosa 



EE. Tube of corolla more or less 



ventricose or gibbous. 

 F. Bracts narrow, usually sub- 

 ulate. 

 G. Ovaries and frs. distinct: 



fr. red. 



H. Style exceeding the 

 limb: fls. whitish, in 



pairs 4. canadensis 



HH. Style shorter than limb: 

 fls. usually red, soli- 

 tary 5. gracilipes 



GO. Ovaries and frs. connate 

 or partly connate or ova- 

 ries tightly inclosed by a 

 cupule. 



H. Frs. partly or wholly 

 connate, red: bractlets 

 wanting: corolla ven- 

 tricose, pinkish 6. tangutica 



HH. Frs. seemingly connate, 

 blue, bloomy: corolla 

 gibbous, yellowish 



white 7. cserulea 



HHH. Frs. distinct, red: ova- 

 ries inclosed by a 

 cupule: Ivs. evergreen 

 or half-evergreen. 

 I. Habit prostrate: Ivs. 

 }4~1 1 A in. long, 

 usually narrowed 



at base 8. pileata 



H. Habit upright: Ivs. 

 %-}4 in. long, 

 usually rounded at 



base 9. nitida 



FF. Bracts broad, enveloping the 

 ovaries. 



121 



G. Bractlets wanting: fls. 



white: fr. scarlet. 

 H. Ovary glabrous or 

 glandular: tube slen- 

 der below the middle, 



gibbous at base 10. hispid a 



HH. Ovary setose and gland- 

 ular-pilose: tube 

 thick, saccate at base. 11. chaetocarpa 

 GO. Bractlets large; fls. yel- 

 low or scarlet: fr. pur- 

 plish black. 



-H. Stamens equaling the 

 limb: Ivs. glabrous or 

 slightly pubescent .... 12. involucrata 

 HH. Stamens not exceeding 

 the mouth: Ivs. pubes- 

 cent beneath: corolla, 

 orange and scarlet 



outside 13. Ledebourii 



DD. Corolla 2-lipped. 



E. Terminal bud wanting, re- 

 placed by 2 axillary buds; 

 buds with 2 outer valvate 

 scales: fr. red. 



F. Lvs. acuminate 14. Standishii 



FF. Lvs. acute or obtusish 15. fragrantis- 



EE. Terminal bud present. [sima 

 F. Fls. pale yellow: fr. red. 

 G. Bractlets connate^ into a 

 cupule: buds with 2 val- 

 vate outer scales 16. iberica 



GG. Bractlets minute: buds 

 small, with imbricate 



scales 17. oblongifolia 



FF. Fls. dull violet or brownish 

 red; bractlets small in dis- 

 tinct pairs: frs. connate. 



G. Berries red 18. alpigena 



GG. Berries bluish black 19. orientalis 



cc. Branches hollow, with brown pith: 



fls. 2-lipped; ovaries distinct. 

 D. Corolla light or deep pink, some- 

 times white, but not changing to 

 yellowish. 



E. Lvs. above 1 in. long, usually 

 glabrous: upper lip of the co- 

 rolla divided nearly or quite 

 to the base. 

 F. Bractlets distinct; upper lip 



divided to the base 20. tatarica 



FF. Bractlets connate into pairs; 

 upper lip divided not quite 



to the base 21. amcena 



EE. Lvs. 1 in. or less long, usually 

 finely pubescent: upper lip 

 divided to about the middle ... 22. Korolkovii 

 DD. Corolla white or pink, changing 

 to yellow: hybrids between No. 

 20 and Nos. 26 and 29. 

 E. Apexof Ivs. obtusish or acute. .23. bella 

 EE. Apex of Ivs. acuminate. 



F. Under side of Ivs. nearly 

 glabrous: bractlets glabrous 

 or glandular-ciliate: fls. 



often pink 24. no tha 



FF. Under side of Ivs. pubescent: 

 bractlets ciliate: fls. white, 



sometimes pinkish 25. muendenien- 



DDD. Corolla white or pale yellow, [sis 



changing to yellow or yellowish, 

 rarely slightly pinkish. 

 E. Peduncles longer than petioles. 

 F. Winter-buds small, obtusish: 



ovary glabrous. 

 G. Bractlets small, glabrous 



or glandular 26. Ruprech tiana 



GG. Bractlets as long or half as 



long as ovary. 

 H. Lvs. acuminate: bract- 

 lets half as long as 



ovary 27. muscaviensis 



HH. Lvs. obtusish or acute, 

 rarely short-acumi- 

 nate: bractlets as long 

 or nearly as long as 

 ovary. 



