16 



ACER 



ACER 



long, upright racemes, with petals. Japan.— Handsome, 

 round-headed tree, with slender, spreading branches and 

 graceful bright green foliage, turning orange-yellow and 

 scarlet in autumn; hardy. 



31. Neguudo, \ Ann, (Negundo fraxinifdliiim, iiutt. iV. 



a'-eru'l(/>'S, Mun.-li.). ASH-LEAVED MaPLE. BoS ElDER. 



Large tree, 70 ft. : Ivs. 

 pinnate ; leaflets 3-5, 

 ovate or oblong-lanceo- 

 late, coarsely serrate or 

 3-lobed, mostly 

 brous, 2-5 in. long: fls 

 before the Its. ; stami- 

 nate fls. in pendulous 

 corymbs, pistillate fls. 

 in pendulous racemes. 

 E. N. Araer. S. S. 2: 

 9G. Michx. Hist. Arb. 



Japanese Maples. 



Acer palmatum var. re- 

 ticiilatutu; 6. A. Japoni- 



■um. type: c. A. palma- 

 tum var.atropurpureum; 



oruatiun; e. 

 Thunbergi ; f. var. 



2:18.— Large, rapid-growing Tree of spreading habit, 

 thriving best in moist and rich soil. Much prized in the 

 W., where it withstands cold and clrynt'ss. Largely used 

 for shelter belts and for planting tinilier-claims. See 

 picture, under Box Ehltr. Var. Califbrnicum, Sarg. {A. 

 Califdrnicum, Dietr. Negihido Culifornivum, Torr. & 

 Gray). Branches pubescent when ynuug : leaflets 3, 

 densely pubescent beneath. W. N. Anier S.S. 2:97. 

 Nutt. N. Am. Svlv. 2:72. Var. vioUceum, Arb. Muse. 

 {A. Califdniinn'n, Hurt. I. A vigorously growing form; 

 branches purjilisli witli glnucons I. loom or tincly pubes- 

 cent when young. Var. arg6nteo-varieg^tum, HoVt. Lvs. 

 with broad white margin. Probably the most effective 

 of all varicgat.Mi hardy trees, F. 8.17:1781. Var. atireo- 

 maculatum, Hurt. Lvs. spotted with yellow. Var. aiareo- 

 marginitum, Hort. Lvs. with yellow margin. Var. 

 auratum, Spjith. Lvs. vrdluw. Var. crispum, G. Don. 

 Leaflets rurl.-d. These"horti<'ulturaI varieties may be 

 grafted on n.inmon Box Ehb-r seedlings. Box Elder 

 also grows from hardwood cuttings, like the grape. 



A. acuminatum. Wall. (A. eawdatum, Wall. A. Isevigatum, 

 Hort.. not Wall.). Tree: lvs. 5-lobed. deeply doubly serrate. 

 Himalayas. G.C. II. 15:364.—^. argutum. Max. Small tree: 

 Ivs. small, 5-7-lobed, doubly serrate, nearly glabrous. Japan. 

 G.C. II. 15: 725. Hardy and graceful species. ~ A. A usti-ia cum, 

 Tratt.=A. campestre, var. Austriaeum.- 4 . barbdtum, Michx. = 

 A. sacchiirum.— J.. 6artinen?c. Max. AlUedto A. argutum. Lvs. 



3-5-lobed, pubescent when young. Japan.— 4. Bdscii, Spach. 

 Probably hybrid, A. MonspessiilanumXiatarieum.- .4. (Jah- 

 fdmicum, Dietr.^A. Negundo, var. Californieum.— A. Califdr 

 nicujn, Hort.=A. Neguudo, var. violaceum.— A. capUUpes, Max. 

 Allied to A. nifiner\'e. Lvs. 3-lobed, glabrous. Japan.— A. can- 

 dd(«m, Wall. =A. acuminatum.— A. cinerdscens, Boiss. Shnib 

 or small tree : lvs. y-lobed, K-2 in. long. Similar to A. Mon- 

 spessulanum. Persia. — A. coridceum, Tseh. (A. Creticum, 

 Tratt. A. polymorphum, Spaeh.). Probably A. CreticnmX 

 Pseudo-platanus.— A. cratcegifblium. S. & Z. Tree: lvs. oblong- 

 ovate, often sliglitly 2-lobed at the base, inequahy serrate, gla- 

 brous. Japan. S.Z. 1: 147. Hardy.— A. Creticum, Linn.=A. 

 orientale.— A.C're(icu7rt,Tratt.=A.coriaceum, Tsch.— A.dia6(5ii- 

 CK/ft, Blume. Tree, 30 ft.: lvs. 5-lobed, 3-6 in. across, coarsely 

 dentate, green beneath and pubescent when young: fls. greenish. 

 Japan. G.C.II. 15: 533.— A. i>t^cA-i. Pax. Probably A. LobeliX 

 platanoides. — A. dissectum, Thunb.=A. palmatum, var. dissec- 

 tum.— A. distylum, S. & Z. Tree : Ivs. ovate, 5-7 in. long, 

 coarsely crenate-serrate, glabrous. Japan. G.C. II. 15: 499. — A. 

 Douglasi, Hook. = A. glabrum. — A. hnimmoiidi, Hook.=A. 

 rnbrum, var. Dnmimondi. — A. Durettl, Pax. Probably A. 

 MouspessulanuniX Pseudo-platanus. — A. eriocdrpum, Miehx.= 

 A. dasycarpuDK— A. glaiicum, Marsh. =A. dasycarpura.— A. 

 heteraphyllum, Willd.=A. orientale. — A. Hodkeri, Miq. Tree, 

 60 ft. : lvs. enrdate-oblong, serrate, 4-6 in. long. Himalayas, 

 China— A. JJyn-dnnm,F. & M.=A. Italum. var. Hyreauum.— 

 A. hi/hridum, Spach. Probably A. ItahimXPsoudo-platanns. — 

 ,4. hijhridum, Baudr.^A. Boscii.— A. IbeHcum, Bieb.=A. 

 Muiisin'ssulanum, var. Iberieum. — A. Icevigdtiim, Wall. Small 

 trt'.'; 1\ s. nhlong, nearly entire, attenuate at the base, green be- 

 iifiLili. Himalayas. — A. Icevigdtum, Hort.=A. acuminatum. — 

 A. laiin'fnlium, Don.=A. oblongiun. — A. leucoderme. Small. (A. 

 Floridanum, var, acuminatum, Trel.). Allied to A. sjicchamm. 

 Small busby tree with white bark: lvs. mostly 3-lobed, 3-4 in. 

 across, greenish and finely pubescent beneath; lobes acuminate, 

 nearly entire: corymbs glabrous. N. C, Ala. — A. Loheli, Ten. 

 Allied to A. Isetum. Branches glaucous : lvs. rounded at the 

 base; lobes mostly undulated, abruptly pointed. Italy. — A. 

 Mexicdmtm, Pax, not Gray.=A. serratum. — A. micrdnthum, 

 S. & Z. Shrub or small tree: lvs. 5-7dobed; lobes incised and 

 doubly serrate, glabrous: fls. and fr. small. S.Z. 1:141.— A. 

 Miydhei, Mux. Tree, 40 ft.; branche.s corky: lvs. 3-5-lol»cd, pu- 

 bescent and pale green beneath, 4-6 in. long; lobes sliglitly 

 lobed. Japan, G.B\ 3: 143. — A. moutdnum, Ait.=A. spicatum. 

 — A.Neapulitdnujn, Ten.=A. obtusatum. — A. neglectum, Lange. 

 Probably A. campestreXLobeli. — A. oblongum. Wall. Tree, 50 

 ft.: lvs. ovate-lanceolate, entire, quite glabrous, glaucous be- 

 neath, coriaceous. Himalayas. — A. obtusdttim, Waldst. & Kit. 

 Allied to A. Italum. Small tree : lvs. tomentose beneath ; lobes 

 short, rounded: peduncles hairy. S. Eu.,N. Afr. — A. Opaliis, 

 Ait.=A. Italum. — A. opulifblium,, Vill.=^ A. Italum. — A. orien- 

 tale, Linn. (A. Creticum, Linn. A. sempervirens, Linn. A. 

 heterophyllum, Willd.). Shrub, 4 ft.; lvs. nearly evergreen, 

 orbicular or oval, entire or 3-lobed, K-lK in. long, glabrous. 

 Orient. — A. palmifblium; Borkh.=A. saccharum. — A. pectind- 

 tum. Wall. Tree : lvs. 3-lobed, coarsely serrate, the middle 

 lobe elongated, acuminate. Himalayas. G.C. II. 15:365. — .4. 

 polgmdrphum, S. & Z.= A. palmatum. — A.polymdrphuiti.Hituch 

 =A. coriaceum. — A. purpurdsce/is, Franch. Very simitar to A. 

 diabolicum. Fls. purple. Japan. — A.Jiugeli, Pax =A. saccha- 

 rum. var. Rngeli. — A. saccharinum, Linn.^A. dasycarpum. — A. 

 saccharinum. Wangh.^ A. saccharum. — A. saccharinum, var. ni- 

 grum, Torr. »& Gray=A. nigrum. — A. saccharum,, var. col- 

 uinndre. Temple. =A. nigrum var. monumentale. — A. sAccha- 

 rum, var. nigrum, Britt.=A. nigrum. — A. Hchwerini, Pax. 

 Tree: lvs. cordate-oblong, slightly 3-lobed or entire, glaucous 

 beneath, 5-7 in. long. Himalayas. — A. Semenbvi, Regel.= A. 

 Ginuala, var. Semenovi. — A. sempervirens, Linn.=A. orientale. 

 — A. 8eptem,lbbum, Thunb.=A. palmatum, var. septemlobum. — 

 A. serratum, Pax (A. Mexicanum, Pax, not A. Gray). Allied 

 to A. Negundo. Leaflets 3, pubescent, equally serrate. Mex. — 

 A. SieboldidnuTn-, Miq. Allied to A. Japonicum. Lvs. 9-11- 

 iobed, serrate : fls. small, yellowish. Japan. — A. Sikkimense, 

 Miq. Tree : lvs. cordate-ovate, entire or serrate, qiute gla- 

 brous, coriaceous. Himalayas. — A. stridtum, Dur.^A. Penn- 

 sylvanieum. — A. Tatdricum, var. Oinndla. Hort.=A. Ginnala. — 

 A. Tatdricum,Yiir.lacinidtum,'Rese\.^A. Ginnala. — A. Tauri- 

 cum, Hort.=A. Italum, var. Hyrcanum or A. campestre, var. 

 Tauricum. — A. tegmentbsum. Max. Allied to A. Pennsylvani- 

 eum. Lvs. 3-4 in. long, glabrous beneath ; lobes short : fls, 

 small. Manchuria. G.C. II. 15; 75.— A. tHfidum, Hook. & Am. 

 Small tree: lvs. cuneate-obovate, 3-lobed, small, glabrous; lobes 

 entire. China, Japan. S.Z. 2:143. — A. trilobdtum. Lam.=-A. 

 Monspessulanum. — A. trilobdtum, Hort.=A. Italum, var. 

 Hyrcanum. — A. tripartltum, Nutt.=A. glabrum, var. triparti- 

 tum— .1. Tsc?ion6skiif Max. Small tree: lvs. 5-7-lobed, cordate, 

 2-3'.jin. li)ng. glabrous; lobes incised -serrate. Japan. Graceful, 

 h:irtry, shrubby tree. — A. Ukurunduense, F. & M. (A. spicatum, 

 var. Ukurunduense, Max.). Allied to A. spic.itum. Small tree: 

 lvs. 5-7-lobed, pubescent beneath, 4-5 in. long: lobes elongated, 

 deeply serrate. Manchuria, Japan. G.C. II. 15: 172. — A. Van 

 Vdlxemi, Mast.=A. iusigne, var. Van Volxemi. — A. veh'ttimim, 

 Boiss. =A. insigne, var. velutiniun. — A. veliitinuTn, Hort. ^= A. 

 Trautvetteri.— A. villdsum, Wall. Tall tree: lvs. 5-lobed. cor- 

 date. 6-8 in. across, tomentose below, coarsely serrate. Hima- 

 layas. — A. Virginidnum, Mill. =A. dasycarpum. — A. Zceschense, 

 Pax.-A. neglectum, Lange. Alfred Rehdek. 



