14 ACER 



unfolding. Var. tricolor, Hort. Lvs. dark blood-red, 

 sprinkled with rosy pink when young. These two beau- 

 tiful forms usually remain shrubby. 



13. platanoides, Linn. Norway Maple. Fig. 19. 

 Large tree, 100 ft. : lvs. 5-lobed, cordate, 4-7 in. across, 

 glabrous; lobes pointed, remotely serrate: fls. yellowish 

 green : fr. with horizontally spreading wings. Eu., 

 Caucasus. — Large, handsome' tree, with round, spread- 

 ing heail, n.'senil)liiiix somewhat A. saccharum. The 

 lvs. turn li.ili irll.i in :iutumn. Many garden forms, 

 some c 1 ! I - I" r.- arranged in two groups: the 

 first l"n ' ! linkable for the manner in which 



the lv-». 111. nil : 1: . s.-cond being chiefly remarkable 

 for their oolonny:. 



(1) Var. cucullituin, Nichols. Lvs. irregularly and 

 shortly lobed, crimpled, light green. Var. diss6ctum, 

 Jacq. Similar to var. Lorbergi, but with darker foliage 

 and of slower growth. Var. globdaum, Hort. Forming 

 a globose head. Var. laciniituin. Ait. Lvs. irregularly 

 divided, the divisions bending downwards : growth 

 upright. Var. Lbrbergi, Van Houtte. Lvs. divided 

 nearly to the base, divisious deeply lobed. 



(2) Var. 41bo-varieg4tuni, Nichols. Lvs. with large 

 white blotches. Var. ailreo-niarginatum, Pax. Lvs. 

 with yellow margin, somewhat irregularly lobed. Var. 



ACEK 



maples. They are extremely handsome shrubs of dense 

 though graceful habit, and with elegant foliage, beauti- 

 ful especially in spring for its delicate shades of 

 green and red, and again in autumn, when the lvs. as- 

 sume the most striking tints. .Soim- nf tlie more vigor- 

 ous-growing varicti.-. lil.i' .,'',..,,,,,■,..,,■. ..,,1. .;.-,,,/„,„, 

 oj-na(»»i. and the t> |i ,. ii' ' Nrw 



England, while tilt- I I ■ i'li- 



der. They grow br^i 111 ji.-iii;;. -n i -;• 'im h .n- himI in 



well drained, rich soil, iiiere are iij:uiy \ arn-iu-s, mostly 

 introduced from Japanese gardens, of which the follow- 

 ing are some of the best. They may be divided into 5 

 groups, representing various degrees of dissection of 

 the leaves : 



(1) A. palmitum, var. Thiinbergi, Pax. (A. palmA- 

 (lon, Thunb.). Lvs. deeply 5-9-lobed or cleft; lobes ob- 

 long-lanceolate, coarsely and doubly serrate or incised. 

 Var. atropurpureum, Van Houtte. Fig. 20, c. Lvs. dark 

 I.urpli-. c.arsrly (loul.ly s.rrate. F.S. 12:1273. Var. 

 is Lriirlitir, ;ind var. nigrum, Hort., 

 lar. iitn'/'Hrj'iin inn. Var. bicolor, 



laru'-*' i-arniiu'- iilot<-lics. the lobes 

 ilf cMriiiiiic \'ar. aiireum, Nichols. 

 ?ersicolor. Van IlMutti-. Lvs. bright 



wliit.- sii.its. F.S. 14: U98. Var. 

 roseo-marginitum. Van Houtte. 

 Lvs. small, deeply cut, with nar- 

 row pink margin. Var. crispum, 

 Andr^. Fig. 20, e. Lvs. small, with 

 involute margins: of distinctly up- 

 right growtli. I.H. ];i;4:>. 



(2) \"a]'. septemlobum, Koch 



sangumeum. 



dark purple, witli 

 half purple and li 

 Lvs. yellow. Var. 

 green, with large 



Sugar Maple. — Acer 



ifold 



Schw^dleri, Koch. Lvs. bright red when young, 

 changing to dark green. 

 DDD. Jyi'S. 3-5-lobed or S-foUolafCy doubly serrate: vin- 

 ter-buds small, with 2 valvate scales. 



14. glibrum, Torr. (A. Douglasi, Hook.). Shrub or 

 small tree, 25 ft., quite glabrous : petioles bright red ; 

 lvs. deeply 3-5-lobed or 3-parted, 1-5 in. across, dark 

 green and shining above, pale or glaucous beneath ; 

 lobes doubly serrate. W. N. Amer. S.S. 2: 89. — Hand- 

 some shrubby maple, with graceful, shining foliage, 

 contrasting well with the red petioles and branches: fr. 

 often rose-colored. Var. tripartitum, Pax. (A.tripartX- 

 tum. Nutt.). Lvs. small, usually 3-foliolate. 



DDDD. Lva. 5-21-Inbed, lobes serrate: corymbs long, pe- 

 dtnicled: n-iiiter-btids ivith 2 valvate scales. 



15. circlnitum, Pursh. Small tree, rarely 40 ft. : peti- 

 oles and peduncles glabrous ; lvs. 7-9-lobed, 2-7 in. 

 across, glabrous ; lobes acute, doubly serrate : fls. in 

 drooping corymbs, with purple sepals. W. N. Amer. 

 S.S. 2 : 87. — Handsome, round-headed tree or shrub, beau- 

 tiful with its delicate light green foliage, red fls., rose- 

 colored fr., and its orange and scarlet fall coloring. 



16. palm4tum, Thunb. {A. pohjmirphiim, S. & Z.). 

 Japan Maple. Shrub or small tree, 20 ft.: petioles and 

 peduncles glabrous; lvs. 5-9-lobe.I ..r ilivLIci. 2-4 in. 

 across, glabrous, lobes oblong, ai-unnnat.-, d.iul.ly -. r 

 rate or incised : corymbs few-flowir-il. ir- ft. wiili -niall 

 purple fls. Japan. S.Z. 1:145. 141,. A.F. l:;:H.-Tliis 

 species and A. Japonicnm are kuuwu as Japanese 



mostly 7-1. >h,,l; l,.l,i s hroad, equal- 

 ly doubly serrate. Var. rubrum, 

 Schwer. Lvs. large, deep red when 

 voung, becoming almost green later. 

 Var. retictilitum, Andr«. Fig. 20, 

 a. Lvs. greenish yellow, with green 

 margin and dark green veins. I.H. 

 13:18. Var. tricolor, Hort. Lvs. 

 with red, pink and white spots. 



(3) Var. Unearilobum, S. & Z. 

 (var. scolopendrifdlium, Hort.). 

 Lvs. divided nearly to the base ; 

 lobes Imear, remotely serrate or 

 nearly entire. Var. atrolinei,re, 

 !>chwer. (var. Unearilobum atro- 

 purpureum, Nichols., var. pinnati- 

 fiiUum iitrnpnrpiirt uiit, Hort.). Lvs. dark red. 



(4) Var. dissSctum, Kofb (t. j.^inmArphuw . var. 

 decompdsitum,^. & Z.). I"i- Jn - 1 ~ ii i\ I'l.-.l T" the 

 base in 5-9 pinnatifid lobi - . - \ 1 1 . omatum, 

 Carr.(var.(?iss^c(«ma*r(7' ' ; !1 I'iL'.L'o.i/. 

 Lvs. deeply cut, deep n-.l. ' \ ar. Frederici-GuiUimi, 

 Carr. (v&v. pinnatHidum ri'seo-jiiitum, Lem.}. Lvs. 

 finely cut, green, with white and pink spots. I.H. 

 14:523. R.H. 1867:391. 



(5) Var. sessilifdlium, Maxim. Lvs. deeply cut, with 

 very short petioles. G.C. II. 16. Of little decorative 

 value. 



17. Jap6nicnm, Thunb. Fig. 20, 6. Small tree or shrub : 

 petioles and peduncles downv when young ; lvs. 7-11- 

 lobed, cordate, 3-0 in.a.r..ss. li-ht -rr.n. with silky hairs 

 when unfolding; I<.t.,, ovat.. .Imilily s. rrat. : il-.'lari,'p, 

 purple. Japan. S.Z. lilll. \'ar. macrophyllum, \'an 

 Houtte. Lvs. large, li:;lit i;r.-. i,. \ ar. aureum. Hurt. Lvs. 

 yellow. Var. Pirsonsi, Veitch. (var. filkifuUum, Uort.). 

 Lvs. large, divided nearly to the base in 9-11 pinnatisect 

 segments, 

 ccc. Fls. in elongated, distinctl;/ peduncled racemes or 



D. ir,.. 



18. macrophyllum, 



100 feet high: lvs. .< 



I ' ' -■ I .1 : i \ . ri' Maple. Tree, 

 n-ilai. . ih r|.|^ ;;-:,-i,,i„.,| ..r cleft, pu- 



paie green beneath. 8-12 in. across, 

 lobed: racemes pendulous: fr. with 

 largely winged. W. N. Amer. S.S. 



round-headed tree, remarkable for 



hardy in the North. 



