ACER 



19 Pseildo-plAtanus, Linn '5-s. 

 3 tt Inj-li hs -, I 1 ' r 



1 urc>-,s deep ^i 

 roils hem ith i -. 



UK isus -Lir, t 



ACER 



15 



iMORE AIaple Tree 



=.pri 



glabrous, drooping. E. N. Amer. S.S. 2 :84, 85. Michx. 

 Hist. Arb. 2:17. Em. 566. — Handsome medium-sized 

 tree of upright, dense habit, with bright green, large 

 foliage, turning clear yellow in autumn, and attractive 

 even in winter from its smooth, greenish bark, striped 

 with white. 



\ II viUosum, Pi si Lvb charta 

 leous ]iiilis((nt beneath Var 

 purpurascens, I'i\ (vars pitipu 



Pi I 



Ilnil, 



II. It I 

 i_ht ltd 



uiif Hin,' \ ir W6rleei,Hort 

 Jul „ 11 It I L^^ jellow \ ar 

 41bo-vanegatum, Hort Lvs with 

 whiti 1 1 .t( h. s iiid spots Var tri- 

 color, Hort Lvs spotted with red 

 changing to ^ hite 



20 H^ldreichi, Orph Tree h s 

 5 lobed the middle incisions reath 

 ing nearly to, the outer half way to 

 the base, 3-5 in. across, glabrous, 

 dark green and shining above, 

 glaucous beneath ; lobes coarsely 

 and d"uMv si-rriitc : panicle erect, 

 Ioni.'-stalkr.I. ,.vat,-. S. E. Eu. Gt. 



Traiitvette 



:lil. 

 Mcd-n 



22. insigne, Bui.ss. & Buhse. Large tree: lvs. 5-lobed, 

 deeply cordate, 5-10 in. across, bright green above, glau- 

 cous beneath ; lobes broad, coarsely erenate-serrate : 

 panicles large, erect. Caucasus, N. Persia. G.C. HI. 

 10: 189.- Remarkable for its large, handsi.nii- f.ili:ig,-; 

 not hardv in the North. May be diviiltil into iwu \ ari.-- 

 ties: Var. Van Vblxemi, Pax. (^.I'»H r.i/.,-, ,„,. Mast. I. 

 Lvs. at length glabrous beneath. Var. veldtinum, Boiss. 

 Lvs. densely pubescent beneath. 



Dr». Lvs. mostly S-lohed or without Johes, green beneath, 

 2:l Tatiricum, Linn. Shrub or small tree, 20 ft. : lvs. 

 roundish oval or oblong, cordate, sometimes slightly 

 lobed, 2-4 in. long, doubly serrate, nearly glabrous: fls. 

 in long peduncled panicles, white. S. E. Eu., Orient. 



— Round-headed small tree, growing best in somewhat 

 moist soil. 



24. Ginnala, Max. [A. Tatdrlcum. var. Ghninli. 

 Hort.). Pig.21. Shniborsmalltree, 20ft.: lvs.:; lobed. 

 ly^-3^in. long glabrous, the terminal lobe elongated. 

 doubly serrate : fls. in long peduncled panicle.s, yel- 

 lowish, fragrant. Manchuria, N. China. Japan. Gt. 

 1877: 308.- Graceful shrub, with handsome foliage, turn- 

 ing bright red in autumn ; may be used as a substitute 

 for the Japanese maples where these are not hardv. 

 Var. Semendvi, Pax. (A. Semendvi, Regel.). Shrub: 

 lvs. smaller, deeply 3- or nearly 5-lobed. Turkestan. 



25. spicitum, Lam. Mountain Maple. Shrub or 

 small tree, rarely 30 ft.: lvs. 3- or sliirhtlv r.-lohed, 

 coarsely serrate, xuibescent beneath. J' 1' in. Niil': 

 racemes rather dense, long, upright : 1: . j ni; 

 wings, bright red in summer. E.X. A- ~ - . -_ -:;. 



— Valuable as undergrowth; lvs. turn m IKw and -arl.t 

 in fall. 



26. ruHn^rve, S. & Z. Tree with striped bark : 

 branches glaucous when young : lvs. rounded at the 

 base, 3-lobed, 3-5 in. long, doubly serrate, ferrugine- 

 ously pubescent beneath when young : racemes ferru- 

 gineously pubescent. Japan. S.Z. 2:148. Var. dlbo-lim- 

 b4tum, Hook. Lvs. edged with white. B.M. 5793. 



27. Peimsylv4iiicuin,Linn.(J..sfW(J;K»i,Dur). Striped 

 Maple. Moosewood. Tree, rarely 40 ft.: bark greenish, 

 striped with white lines : lvs. slightlv cordate, roundish- 

 obovate, 3-lobed at the apex, 6-8 in. "long, finely serrate, 

 f errugineously pubescent beneath when young : racemes 



Black Sugar Maple.— Acer nierum. 



iJDD. Lrs. not Jobed, penninervetl, doubly serrate, 



28. carpinildlium, S. & Z. Hornbeam :\1api.e. Tree, 

 30 ft.: lvs. oblong-ovate, a.-uininat.-. sharply and doubly 

 serrate, nearly glabrous, :i-i; in. Ion;.': raceme few-fld. 

 S.Z. 2:142. G.C. IL 15: 504.- Very distin.-t, hardy spe- 

 cies; the lvs. are almost exactly like those of Carpinus. 



AA. Foliage of S-5-toUolate lvs. (cf.Xo.14): fls. 

 dioecious. 

 B. P'iioh'S and young branches with a rufous, villous 

 tofii ntum: fls. in terminal few-flowered racemes: 

 n-inti r-buds with many scales. 



29. Nikoense, Max. Tree, 40 ft. : leaflets ovate or ob- 

 ovate acute entire or coarsely serrate, 2-5 in long, 

 villous pubescent beneath fr hairy, with large wings. 

 Japan G P 6 185 — Verv distinct, lvs turning bril- 

 liant scarlet in autumn 



platanoides. 



BB. Petioles and branches smooth or velvety pubescent: 



fls. in long lateral racemes: winter-buds with S 



or 4 outer scales. 



30. ciBsiJdIiiim, Koch. (Xegundo cissi folium, S. & Z.). 



Small tree: leaflets -3, long-stalked, ovate or elliptic, 



cuneate, coarsely serrate, ciliate, 2/i-A in. long: fls. in 



