3458 



VIBURNUM 



VIBURNUM 



H. Peduncle as long or 

 longer than cyme: 

 Ivs. usually entire. . 7. nudum 

 HH. Peduncle shorter than 

 the cyme: Ivs. re- 

 motely denticulate. . . 8. cassinoides 

 FF. Lvs. finely and sharply ser- 

 rate: cymes sessile, sub- 

 tended by the upper ha. 

 G. Petioles mostly with 

 wavy, rather broad 



margin 9. Lentago 



GO. Petioles without or with 

 narrow, not wavy mar- 

 gin. 



H. Winter buds and peti- 

 oles rusty-pubescent. 10. rufidulum 

 HH. Winter buds and 

 petioles not rusty- 

 pubescent 11. prunifolium 



DD. Branches and Ivs. stellate- 

 pubescent: winter buds naked. 

 E. Lvs. deciduous, dull green 

 above: marginal or aU fls. 



sterile 12. macroceph- 



EE. Lvs. persistent, lustrous and [alum 



wrinkled above, 37 in. 



long: fls. all fertile 13. rhytidophyl- 



cc. Secondary veins prominent, ending [lum 



in the points of the teeth. 

 D. Winter buds naked: Ivs. with 

 usually numerous small teeth. 

 E. Corolla with cylindric tube, 



fragrant 14. Carlesii 



BE. Corolla rotate campanulate. 

 F. Cymes with all the fls. fer- 

 tile. 

 G. Rays of cymes usually 7: 



cymes flat 15. Lantana 



GG. Rays of cymes usually 5: 

 cymes somewhat con- 

 vex 16. cotinifolium 



FF. Cymes with the marginal 



fls. sterile and enlarged. . . 17. alnif olium 

 DD. Winter buds protected by scales: 

 teeth rather coarse, usually 

 less than 25 on each side. 

 E. Petioles without stipules. 

 F. Cymes with the marginal 



fls. sterile and enlarged. . . 18. tomentosum 

 FF. Cymes with all fls. fertile 



and alike. 



G. F r. red: Ivs. rounded or 

 broadly cuneate at the 

 base. 



H. Foliage evergreen, gla- 

 brous 19. japonicum 



HH. Foliage deciduous. 

 i. Lvs. 3-nerved at the 

 base, with 3 4 

 pairs of veins .... 20. f oetidum 

 n. Lvs. penninerved 

 with 5 or more 

 pairs of veins. 

 j. Both surfaces of 



Ivs. pubescent. .21. dilatatum 

 jj. Both surfaces of 

 Ivs. glabrous or 

 nearly so. 

 K. Lvs. broadly 

 obovate or 

 broadly ovate: 

 stamens usu- 

 ally longer 

 than the co- 

 rolla 22. Wrightii 



KK. Lvs. oblong- 

 ovate: sta- 

 mens usually 

 shorter than 



corolla 23. theiferum 



GO. Fr. bluish black: Ivs. 

 cordate or rounded at 

 the base. 

 H. Branches and hs. 



glabrous 24. dentatum 



HH. Branches and Ivs. 

 beneath pubescent. 

 I. Infl. slightly pubes- 

 cent: Ivs. with 6-8 

 pairs of promi- 

 nent veins 25. venosum 



n. Infl. densely pubes- 

 cent: Ivs. with 4~6 



pairs of veins 26. scabrellum 



EE. Petioles with stipules. 



F. Bark exfoliating: Ivs. 

 broadly ovate, 3-5 in. 



long, long-petioled 27. molle 



FF. Bark close: Ivs. ovate, !}/%- 

 3 in. long, usually short- 



petioled 28. pubescens 



AA. Lvs. palmately 3-5-nerved, usually 3- 



lobed, slender-petioled. 

 B. Fls. all perfect. 



c. Habit strictly upright: fr. purplish 



black 29. acerif olium 



cc. Habit straggling: fr. scarlet 30. pauciflorum 



BB. Fls. marginal, sterile, radiant. 



c. Anthers yellow: bark of sts. thin. 



D. Petiole with a narrow groove and 



large disk-like glands: Ivs. 



pubescent beneath 31. Opulus 



DD. Petiole with a broad shallow 

 groove and small glands: Ivs. 



glabrous beneath 32. americanum 



cc. Anthers purple, rarely yellow: 

 bark of sts. thick, corky: the 

 upper Ivs. with elongated and 

 usually entire middle lobe 33. Sargentii 



1. Sieboldii, Miq. Fig. 3918. Deciduous shrub, attain- 

 ing 10 ft., with stout branches, pubescent when young: 

 Ivs. oval to oblong-obovate, coarsely crenate-serrate 

 except toward the base, acute, dark green and shining 

 above, paler and stellate-pubescent beneath, 3-6 in. 

 long: fls. white, rotate-campanulate, in panicles 2J^-4 

 in. broad: fr. oblong, changing from pink to bluish 

 black. May, June. Japan. G.F. 2:559 (adapted in 

 Fig. 3918). S.I.F. 1:86. F.E. 23:345. Hardy shrub of 

 vigorous growth with handsome dark green foliage, 

 large for the genus, exhaling a disagreeable odor when 

 bruised. The frs. drop soon after ripening. It is known 

 in some nurseries as V. japonicum, V. latif olium, or V. 

 japonicum latif olium. Var. reticulatum, Rehd. (V. 

 reticulatum, Hort.). Smaller in every part: Ivs. of 

 lighter green, less pubescent: half-hardy. Var. varie- 

 gatum, Hort. Lvs. variegated with white. 



2. suspensum, Lindl. (V. Sanddnkwa, Hassk.). 

 Evergreen shrub, attaining 6 ft., with slender warty 

 branches: Ivs. oval to oval-oblong, acute or obtusish, 

 usually remotely crenate-serrate toward the apex, shin- 

 ing and dark green above, paler beneath, glabrous, 2-4 

 in. long: fls. white, tinged pink, in dense semi-globose 

 panicles becoming 1J/2 in- high; corolla 3^in. long, with 

 cylindric tube twice as long as limb: fr. red, subglobose. 

 June, July. Liu-kiu Isl. B.M. 6172. Tender. 



3. odoratissimum, Ker (V. Awabucki and V. 

 Awafiiki, Hort.). Evergreen upright shrub, attaining 

 10 ft., with stout warty branches, glabrous: Ivs. elliptic 

 to elliptic-oblong, acute, remotely serrate toward the 

 apex or entire, shining and bright green above, paler 

 beneath, glabrous, 3-6 in. long: fls. pure white, fra- 

 grant, in broadly pyramidal panicles 4 in. high; corolla 

 rotate-campanulate: fr. red, changing to black. May, 

 June. India to S. China and Japan. B.R. 456. S.I.F. 

 1:88. Tender. 



4. Tinus, Linn. (V. Laurustlnus, Hort. Tmus lau- 

 rifolius, Borckh.). LAURUSTTNUS (or LAURESTINUS) 

 Bushy, 10 ft., with glabrous or somewhat hairy 

 branches: Ivs. ovate-oblong or oblong, acute, dark 

 green, shining and glabrous above, pubescent beneath 

 usually only on the veins, 2-3 in. long: fls. white or 

 pinkish white, slightly fragrant: cymes somewhat con- 

 vex, 2-3 in. broad: fr. ovoid, black, rather dry. May- 



