840 Caprifoliaceae 



7A. Flowers distinctly bilabiate; leaves usually acute at base, glaucescent beneath 6. L. demissa 



7B. Flowers nearly actinomorphic; leaves usually obtuse at base, pale green beneath 7. L. morrowii 



4B. Branches solid with white or brown pith; ovary and fruit solitary, or if paired, usually more or less connate. 



8A. Bracteoles bladderlike, enveloping the ovary, juicy in fruit, becoming blue-black and bloomy at maturity; corolla creamy-yellow. 



8. L. caerulea 

 8B. Bracteoles not enclosing the fruit, sometimes separate, scarcely accrescent, cup-shaped or bifid. 

 9A. Corolla nearly actinomorphic (somewhat bilabiate in No. 9) . 

 lOA. Flowers paired. 

 11 A. Bracteoles absent or obsolete. 



12A. Flowers white or pale yellow; bracts broadly ovate to broadly lanceolate; leaves 2—7 cm. wide. 



13A. Leaves subcoriaceous, loosely setose especially on margin and on midrib, obtuse, mucronate-tipped 9. L. harae 



13B. Leaves membranous, pubescent at least beneath, acute or nearly acuminate. 



14A. Stamens not exserted; bracts large, ovate to broadly so; flowers opening with the leaves; leaves obsoletely veined; 



peduncles 1-2 cm. long 10. h. strophiophora 



14B. Stamens exserted; bracts broadly lanceolate; flowers opening before the leaves; leaves rather prominently veined; 



peduncles 3-8 mm. long 11. L. praeflorens 



12B. Flowers rose-purple; bracts linear; leaves usually less than 1.5 cm. wide. 



15A. Peduncles 1.5-2.5 cm. long; leaves broadly lanceolate 12. L. linderifolia 



15B. Peduncles 5-10 mm. long; leaves ovate or oblong 13. L. I^onoi 



1 IB. Bracteoles prominent, nearly as long as the ovary 14. L. ramosissima 



1 OB. Flowers solitary, rarely paired 15. L. gracilipes 



9B. Corolla distinctly bilabiate. 



16A. Leaves loosely long-ciliate, obsoletely veined above; petioles 8-10 mm. long; bud-scales deciduous. 



17A. Peduncles 1—1.2 cm. long; leaves glabrous beneath; corolla-tube nearly as long as the limb 16. L. cerasina 



17B. Peduncles 1.5-4.5 cm. long; leaves usually pilose beneath on nerves. 



18A. Bracteoles nearly as long as the ovary; peduncles 1.5-2 cm. long; stamens exserted 17. L. vidalii 



18B. Bracteoles minute or absent; peduncles 2.5-4.5 cm. long; stamens not exserted 18. L. alpigena var. glehnii 



16B. Leaves glabrous, rarely ciliate, prominently veined above; petioles 5 (—7) mm. long or absent; bud-scales persistent. 

 19A. Leaves sessile or the petioles about 1 mm. long, obtuse or rounded; peduncles 6-12 mm. long; flowers deep red. 



19. L. chamissoi 

 19B. Leaves with petioles 3-5 (-7) mm. long, acuminate or acute, rarely obtuse; peduncles longer. 



20A. Peduncles 2.5 cm. long; leaves with slightly raised veinlets above; flowers white 20. L. tschonosl{ii 



20B. Peduncles 1-2 cm. long; leaves strongly veined above. 



21A. Leaves glabrous, not ciliate, rarely thinly pilose on midrib beneath; flowers white 21. L. mochidzu\iana 



2 IB. Leaves rarely loosely long-pilose beneath, long-ciliate; flowers deep red 22. L. sachalinensis 



1. Lonicera japonica Thunb. L. acuminata var. japon- paired, terminal, the peduncles axillary, 3-7 mm. long, the 

 ica Miq.; L. jauriei Lev. & Van't. Sui-kazura, Nindo. bracts lanceolate-deltoid, spreading, about 2 mm. long, the 

 Scandent shrub; branches terete, hollow, glandular and promi- bracteoles free, semirounded, slighdy pilose; calyx glabrous, 

 nently spreading-pubescent vfhen young; leaves broadly lanceo- the lobes narrowly deltoid; corolla 4-6 cm. long, glabrous 

 late to ovate-elliptic, 3-7 cm. long, 1-3 cm. wide, acute or externally, white, changing to yellow with age, the tube about 

 obtuse, mucronate-tipped, usually rounded at base, entire or half as long as the lobes, narrow; fruit globose, about 7 nun. 



the leaves of young plants often incised-sinuate, pubescent, in diameter, blue-black, white-bloomy. May-June. Hon- 



pale green beneath, the petioles 3-8 mm. long, peduncles 3-10 shu (Kii Prov.) Shikoku, Kyushu. ^Ryukjms and China. 



mm. long, the bracts leafUke, ovate, 1-2 cm. long, the bracte- 3. Lonicera hypoglauca Miq. L. mollissima Bl., ex 



oles free, about 1 mm. long, pilose, elliptic; calyx-tube glabrous, Maxim.; L. affinis var. pubescens Maxim.; L. affinis var. hypo- 



the lobes ovate, about 1 mm. long, ciliate; corolla 3-4 cm. long, glauca (Miq.) Rehd.; L. affinis var. mollissima (Bl.) Makino 



soft-pubescent externally, white, changing to yellow with age, Kidachi-nindo, To-nind6. Scandent shrub; branches 



the tube narrow, the limb as long as the tube, bilabiate; fruit slender, elongate, terete, rather prominendy soft-puberulent; 



blue-black, 6-7 mm. across. May-June. Thickets in hills leaves rather thin, ovate or oblong-ovate, 4-8 (-10) cm. long, 



and mountains; Hokkaido, Honshu, Shikoku, Kyushu; com- 1.5-5 cm. wide, abruptly acuminate at apex, rounded at base, 



mon. Korea, Manchuria, and China. glabrous above, glaucescent, puberulent and with red-brown 



Var. repens (Sieb.) Rehd. L. flexuosa Thunb.; L. brachy- glandular dots beneath; peduncles short, puberulent, the 



poda var. repens Sieb.; L. japonica var. flexuosa (Thunb.) bracts deltoid-lanceolate, hairy, about 2 mm. long, the bracte- 



Nichols.; L. japonica var. chinensis Bak. Teri-ha-nindo. oles small, free, semirounded; calyx-tube glabrous, the lobes 



Less pubescent; corolla white to slightly purplish, the limb narrowly deltoid, less than 1 mm. long; corolla bilabiate, 4-5 



longer than the tube. Honshu, Shikoku, Kyushu. cm. long, slighdy puberulent externally, white, changing to 



China. yellow with age. May-June. Honshu (Tokaido, Chugoku 



2. Lonicera afiBnis Hook. & Am. L. buergeriana Bl. Distr.), Shikoku, Kyushu. Ryukyus, Formosa, and China. 



Hama-nindo, Inu-nindo. Scandent shrub; branches 4. Lonicera maackii (Rupr.) Maxim. Xylosteum ma- 



terete, glandular and white-puberulent while young; leaves ackii Rupr. Hana-hyotan-boku. Shrub; young branches 



broadly ovate or ovate-elliptic, 5-8 cm. long, 3-5 cm. wide, obtusely angled, puberulent; leaves membranous, ovate-oblong 



acute or short-acuminate, rounded at base, often glabrous on or obovate-elliptic, 5-8 cm. long, 2.5-3.5 cm. wide, acuminate, 



both sides, whitish beneath, mucronate, the petioles 5-10 mm. rounded or abruptly narrowed at base, slighdy pubescent on 



long, glandular and white-puberulent while young; flowers both sides while young, the indument persistent on margin and 



