1924 



VIBURNUM 



E. Cymes with the margi- 

 nal fls. sterile and 



enlarged 13. alnifolium 



KB. Cymes with all the fls. 



fertile, 



F. Bays of cymes usu- 

 ally 7: cymes flat..U. Lantana 

 FF. Says of cymes usually 

 5: cymes somewhat 



convex 15. cotinifolium 



DD. Winter-buds protected by 

 scales : teeth rather 

 coarse, usually less than 

 25 on each side. 

 B. Petioles without stipules. 

 F. Cymes with the margi- 

 nal fls. sterile and 



enlarged 16. tomentosum 



FF. Cymes with all fls. 



fertile and alike. 

 G. Fr. red : Ivs. rounded 

 or broadly cuneate 

 at the base. 

 H. Foliage evergreen, 



g la brous 17. Japonicum 



HH. Foliage deciduous. 

 i. Petiole %-% in. 

 long: fls. al- 

 most sessile. 

 K. Lvs. pubescent 



on both sides . 18. dilatatum 

 KK. Lvs. almost gla- 

 brous 19. Wrightii 



ii. Petioles J^-% in. 

 long: fls. pedi- 

 celed, with 



purple calyx.. 20. phlebotrichum 

 GG. Fr. bluish black : 

 Ivs. cordate or 

 rounded at the 

 base. 

 H. Branches and Ivs. 



glabrous 21 . dentatum 



HH. Branches and Ivs. 

 beneath pubes- 

 cent 22. molle 



EE. Petioles with stipules, 



sometimes rather 



small and caducous. 



F. Lvs. I ong-petioled: 



blades to 3% in. 



broad 23. Demetrionis 



FF. Lvs. short-pet ioled: 

 blades to 1% in. 

 broad. 

 G. Cymes short-pedun- 



cled, dense 24. pubescens 



GG. Cymes long-pedun- 



cled, loose 25. erosum 



AA. Lvs. palmately S-5-nerved, usu- 

 ally S-lobed, slender-petioled. 

 B. Fls. all perfect, 

 c. Habit strictly upright: fr. 



purplish black 26. acerifolium 



CC. Habit straggling: fr. scarlet. 27. pauciflorum 

 BB. Marginal fls. sterile, radiant.28. Opulus 



29. Sargentii 



1. Si6boldi, Miq. Fig. 2661. Deciduous shrub, attain- 

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

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

 cept toward the base, acute, dark green and shining 

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

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

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

 black. May, June. Japan. G.P. 2:559. Hardy shrub of 

 vigorous growth- with handsome dark green foliage, 

 large for the genus, exhaling a disagreeable odor when 

 bruised. The fruits drop soon after ripening. It is 

 known in some nurseries as V. Japonicum, V. lati- 

 folium or V. Japonicum latifolium. Var. reticulatum, 

 Kehd. ( V. reticulatum, Hort.). Smaller in every part: 



VIBURNUM 



Ivs. of lighter green, less pubescent: half-hardy. \iar. 

 variegatum, Hort. Lvs. variegated with white. 



2. Sandankwa, Hassk. ( V. suspensum, Hort.). Ever- 

 green 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, glabpous, 2-4 

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

 panicles becoming 1% in. high; corolla % in. long, with 

 cylindric tube twice as long as limb: fr. red, subglo- 

 bose. June, July. Loochoo Isl. B.M. 6172. Tender. 



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

 tire, shining and bright green above, paler beneath, 

 glabrous, 3-6 in. long: fls. pure white, fragrant, 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. 6:456. Tender. 



4. Tinus, Linn. ( V. Laurustmus, Hort. Tliius lau- 

 rifblius, Borckh.). LAUKUSTINUS (or LAURESTINUS). 

 Bushy, 10 ft., with glabrous or somewhat hairy branches: 

 Ivs. ovate-oblong or oblong, acute, dark green, shining 

 and glabrous abo% r e, pubescent beneath usually only on 

 the veins, 2-3 in. long: fls. white or pinkish white, 

 slightly fragrant: cymes somewhat convex, 2-3 in. 

 broad: fr. ovoid, black, rather dry. May-Aug., or 

 in the greenhouse in early spring and winter. Med- 

 iterranean region. B.M. 38. Handsome free-flower- 

 ing shrub, often cult as a pot-plant north. Var. 

 Froebeli, Nichols. Compact form with light green 

 Ivs. and pure white fls. Var. hirtum, Ait. Lvs. pubes- 

 cent beneath and ciliate. Var. lucidum, Ait. ( V. lucidum, 

 Mill. V. grandiflbrum, Hort.). Lvs. and cymes larger, 

 more tender and not adapted for forcing. Gn. 15, p. 

 196. Var. purpureum, Hort. Lvs. suffused with a dull 

 purple tinge. Var. strietum. Loud., not Ait. Of erect 

 and fastigiate habit. Var. virgatum, Ait. Lvs. oblong- 

 lanceolate, pubescent on the margin and on the veins 

 beneath. Var. variegatum, Hort. Lvs, variegated. 



5. rigidum, Vent. ( V. rugbsum, Pers. V. latifolium, 

 Hort. V. Tlnus,va.r. strietum, Ait.). Shrub, attaining 

 6 ft., with spreading hirsute branches : Ivs. broadly ovate 

 to ovate-oblong, acute or obtusish, pubescent on both 

 sides when young, almost glabrous above at length and 

 wrinkled, 3-6 in. long: fls. pure white: cymes large, 

 3-4 in. broad: fr. oval, bluish black. May-July. Canary 

 Isl. B.R. 5:376. L.B.C. 9:859. B.M. 2082. A.G. 1893:456. 

 Less handsome and less free-flowering than the pre- 

 ceding species. 



6. obovatum, Walt. ( V. Icevigatum, Ait.). Shrub, at- 

 taining 8 ft., with spreading branches: Ivs. almost ses- 

 sile, obovate to oblanceolate, obtuse or retuse, coria- 

 ceous, glossy, entire or obscurely crenate toward the 

 apex, Vi-W-i in. long: fls. white, in sessile cymes 1-2 in. 

 broad: fr. oval, black. April-June. Va. to Fla. L.B.C. 

 15: 1496. -Tender. 



7. nudum, Linn. ( V. nudum, var. Cldytoni, Torr. & 

 Gray). Upright shrub, sometimes attaining 15 ft. : Ivs. 

 oval to obovate or oval- lanceolate, acute or obtuse, usu- 

 ally entire and somewhat revolute or obscurely crenu- 

 late, thickish, scurfy on both sides when young, gla- 

 brous above at length: fls. white or yellowish white: 

 cymes rather long-peduncled, 3-5 in. broad: fr. globose, 

 pink at first, changing to dark blue. June, July. Long 

 Island to Fla., west to Ky. and La. B.M. 2281. -Not 

 quite hardy north. Var. nitidum, Zabel (var. angusti- 

 fblium, Torr. & Gray. V. nitidum, Ait. V. Anglicum, 

 Hort.). Lvs. smaller and narrower, more shining above 

 and firmer. 



8. cassinoides, Linn. ( V. nudum, var. cassinoldes, 

 Torr. & Gray. V. squamatum, Willd.). WHITE ROD. 

 APPALACHIAN TEA. Upright shrub, 2-6, occasionally 12 

 ft. high: Ivs. oval or ovate to oblong, acute or bluntly 

 acuminate, usually obscurely dentate, almost glabrous, 

 rather thick, dull green above, 1-3 in. long: fls. and fr. 

 almost like those of the preceding species, but peduncle 

 shorter, usually shorter than cyme; blooming a little 

 earlier. June, July. Newfoundland to Manitoba and 

 Minn., south to N. C. G.F. 9:305. Em. 2:411 (as V. 



