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 head, resembling somewhat A. i^ftcrharum. The 

 lvs. turn pale yellow in autuuin. ^Miniy -iircU-n forms, 

 some of which are here anjiiL'i 'I in fwi (.-roups: the 

 first being chiefly remarkal.l' li] t!i. niiniier in which 

 the lvs. are cut; the secuii4 Ih m,- .|,i,iiy remarkable 

 for their coloring. 



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

 shortly lobed, crimpled, light green. Var. disa^ctum, 

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

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

 a globose head. Var. laoini4tum, Ait. Lvs. irregularly 

 divided, the divisions bending downwards : growth 

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

 nearly to the base, divisions deeply lobed. 



(2) Var. 41bo-varieg4tum, Nichols. Lvs. with large 

 white blotches. Var. ailreo-marginitum. Pax. Lvs. 

 with yellow margin, somewhat irregularly lobed. Var. 



the 





vigor- 





OCl-.-' .,:•!!'. !;.pi.-;,l f.il-n;-., ;.!■.■ Iiar.h, . ^.'ll in NeW 



En-'.i' • , >. ■. iiio-t \ .irii'-:il.'a l'"i-m-. :ir^- more ten- 



dci-. I .■ . :■' I iiiiMri!> -liail^a >itu;i;i.ais and in 



WL-U i,;\..:i'-_'l. i.'L-r-U. TliLTL- aiL- ni;iiiy Miriitii-s, mostly 

 introduced from .Japanese gardens, of which the follow- 

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

 groups, representing various degrees of dissection of 

 the leaves : 



(1) A. palmatum, var. Thiinbergi, Pax. J^l. palmA- 



long-lancclalr, c,ia|--i ly ali.l elm 



Var. atropurpureum,\ai] Ih.uiii 

 purple, coarsely doubly s. 1 1 : ■ 

 sanguineum, Hort., is brigli 1 

 darker red than var. a//- 

 Koch. (var. atropurpuretim 

 dark purple, with large earn. 

 half purple and half carmine, 

 Lvs. yellow. Var. versicolor, Vs 

 green, with large 



lor cleft; lob 

 serrate or incised. 

 .-.2n,,-. Lvs. dark 

 • -' '■' r.?:::. Var. 



;;;i,Hort., 



bicolor. 



17. Common Sugar Maple.— Acer saccharum 



Reitenbachi, Nichols. Lvs. greenish red when unfold- 

 ing, turning dark blood-red in late summer. Var. 

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

 changing to dark green. 

 DDD. Lvs. S-5-lobe.d or S-foliolate, doubly serrate: %vin- 

 ter-budti small, with 2 valvate scales. 



14. glibrum, Ton-. [A . D„;,,ih,si, Hook.). Shrub or 

 small tree, 25 ft., qiiiif ^'latimns : petioles bright red ; 

 lvs. deeply 3-5-l<il'r.l or :i ]iarliii, 1-5 in. across, dark 

 green and shinin:,- alioxa, jiali- nr glaucous beneath; 

 lobes doubly scrrat. . W. X. .\in. r. S.S. 2: 89. -Hand- 

 Some shnit.hy ]na]p|f. with f^M-aia^fiil. ^lliuing foliage, 

 contrast! II l; v.tII miiIi ili,' i-.d |..ti(.lrs aial liranches: fr. 



tripartitum, I'ax. (A.tripart\- 

 usually 3-loIiukitu. 

 DDDD. Ta's. f)-ll-loht'd. lobes serrate: corymbs long, pe- 

 (linicled: iriiilei-biids with 2 valvate scales. 



15. circinatum, Pursh. Pmall tn-e. rarely 40 ft.: 

 oles a.ii] |...lni,ri,., MalM-u, ; I'.,-, 7 ■< i;,I,ed, 2- 



Lvs. 



peti- 



droopi 



\\". N. Amer. 

 Mj -■■iiii . I ...J I ,1.11 M ■■' ..r^lirub, beau- 

 tiful with ii.^ .1. li.aiv lii;lii ^n-in L.h.ii;. , red fls., rose- 

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



16. palmatum, Thunb. (A. polymSrphttm , S. & Z.). 

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

 peduncles glahron-- : 1v". r.-!i-l"licd or divided, 2^ in. 

 across, glabrous, l-i 1,1. , a ■nmiiiari-, doubly ser- 

 rate or incised : ■ --! . I . I, I n ,t, with"small 

 purple fls. Japan i •: m;. A. 1\ 12: 11. -This 

 species and A. ./^v '""""' '•''' known as Japanese 



■--' . lUe lobes 

 ar, aiireum, Nichols. 

 Houtte. Lvs. bright 

 P.S. 14:1498. Var. 

 rdseo-marginitum. Van Houtte. 

 Lvs. small, deeply cut, with nar- 

 row pink margin. Var. crlspom, 

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

 involute margins; of distinctly up- 

 right growth. I.H. 13: 43. 



(2) Var. sept^mlobum, Koch 

 {A. sephhnlnhiuii, Tlnuib.). Lvs. 

 mostly 7-lobcd; lohcs lirnad, equal- 

 ly doubly serrat. , \- : . ralinim, 

 Schwer. Lvs. lar^n , , , , ' 'u 

 young, becominf; all . r, 

 Var. retioul4tum, .\n ,i. . In. ju, 

 a. Lvs. greenish yLllu,i,„i;li t;" l" 

 margin and dark green veins. I.H. 

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

 with red, pink and white spots. 



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

 (var. scolopendrifdliiim, Hort.). 

 Lvs. divided nearly to the base ; 

 lobes linear, remotely sewate or 

 nearly entire. Var. atroUne&re, 

 Schwer. (var. linearllobum atro- 

 purpiireum, Nichols., var. pinnati- 



fdlium atropurpt'treum, Hort.). Lvs. dark red. 



(t) Var. dissdctum, Koch (A. poli/mdrphum, var. 

 ''■'"' "...S.^V: Z.). Fig.20, A Lvs. divided to the 



h.i ■' I atitid lobes. S.Z.1;14«. Var. omatum, 



la: /i(»io(ropMryMreM)H,Hort.). Fig.20.(i. 



1.1 in|.| .,;. deep red. Var. Frederici-GuilWmi, 

 I'arr, (var, pitnintUidum rbseo -plctum , Lem.). Lvs. 

 finely cut, green, with white and pink spots, LH. 

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



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

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



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

 petioles and pcdunclci downy when young ; lvs. 7-11- 

 lobed, cord:itr, :• i; in, :uv •-•, li^rlit ^rcrtuwitli silky hairs 

 when unf<ihi;n ■ I. i • - • :n , .h.ul.lv s.-rrat.-: fls. large, 

 purple. Jay I !. Var, macrophyllum, Van 

 Houtte. Lv , . - in Var, aureum, Hort. Lvs. 

 yellow. Var. Tarsoiisi, \ ..in.li, (var, lilirif,)li,im, Hort.). 

 Lvs. large, diviilcd nearly to the base in 9-11 pinnaiisect 

 segments. 



ccc. Fls. in elongated, distinctly peduncled racemes or 



panicles. 



D. Lvs. distinctly S-lobed, large. 



18. macroph^Uuni.Pursh. Large-leaved Maple. Tree, 

 100 feet hiirh : lvs, cordate, deeply .3-5-lobed or cleft, pu- 

 ),p..,.,.„t win.,. <■..,, ,i.j-. falo -re,.„ heneath, 8-12 in. across', 



niiaiii- i.iii- 1"- '■■ ;i.,L,,i r nn.^ ]M-ndulous: fr. with 



y.lj. ■ n n n W. N. Amer. S.S. 



2:sii : li : III .;. I'l. 1 ti-ii-, remarkable for 



