ACANTHUS 



dull white to rose or purplish. Mostly southern 

 . mollis may have suggested the more conven- 

 tionalized acanthus leaf of Roman architecture. Must be 

 deeply mulched N. in winter. They need a rich, light, 

 well-drained soil and much sunshine. Excessive moisture 

 is fatal, especially in winter and spring. Fall-planted 

 stock should always be protected for the winter by long 



^^ 



( 1889). The maples are among our most ornamental and 

 ^aluable trees for park and street planting. Nearly 

 all assume a splendid color in autumn, especially the 

 species of N. Amer. and E. Asia, which surpass by far 

 the European maples. Many of them ai^ valuable tim- 

 ber trees, and some American species, especially A. 

 sii,;-j,„fnti. j.nMiiK'e sugar. For purposes of shade, 

 111' - 11 .1 II r maple is best and most popular. 

 Ill' I iiiakes a very dense and round head, 



aril I I . ill ' I I r lawns, but it is too low-headed for 

 till II. 1 I!, silver maple, 4. socc7iarmMm and its 

 vars., is !il<o popular where quick-growing trees are de- 

 sin d The Japanese maples are among the most strik 

 iiig and show} cxotit small trees, and are adajiti d f( r 

 hoc grounds and for ;,i «iiig in | t-- Pr i 1 \ ids 

 sown in autumn, or 1 1 



( irh ripening spi 

 h/ion must bt s( \m -. 



ITld 



t' 



13. Acanthus spinosissimus. 14. 



litter or evergreen boughs, even where established plants 



are hardy. Prop, by division in spring or early autumn, 



and by seeds. Cult, by J. B. Keller. 



A. Lvs. spiny. 



spinosissimus, Desf. Fig. 13. Lvs. dark green, pin- 

 nately parted ; spines glistening: fls. infrequent; autumn; 

 spikes loose, pilose or glabrescent: spines of the bracts 

 recurved. 



spindsus, Linn. Lvs. lanceolate, pinnatifid, pubescent; 

 spines short, whitish: fls. smaller than in the last; sum- 

 mer ; spikes dense, slightly villous. B. M. 1808. Gn. 

 8: 147. 



AA. Zrvs. not spiny. 



mbllis.Linn. Fig. 14. Lvs. 2 x 1 ft '■- 

 pinnatifid, mostly radical: fls. siiiiini' i 

 beseent. Gn. 52.p.2.39.-Also reciii,- 

 plant. Var. latif dlius, JIoTt.(A. hihi' 

 tdnicus, Hort.) is larger and hardi'.i . i ■ 



longifdliuB, Poir. Lvs. radical, louge 

 than in A. mollis , bright green: fls. June.— Though said 

 to be a stove species in En., it is the hardiest of all at 

 Cambridire. Muss. 



ntely 



ad narrower 



ilicifoli.- 

 under gLii 



or sinuate-spinose. W. Afr. B.M. 6516. Stove species. 

 ACER (classical Latin name), .f./, 



w, radical, in 

 '.—.i.cardui- 

 118 (Dilivaria 

 ith leaves re- 

 . . by cuttings 

 Lvs. pinnatifid 



w 01 ked on imported sto( I s 11/ ' 



1 I f tilt gaidtn forms and \ i i i i t 

 M Ot li.9i, see, also, G t 11 H \l ut 



« ing spe( les of maple are cult in this conn 



I strc, No 8 < arpinifolium, 28, (ininatum, 



lium, 10, dasjcarpum 1, riondanum "j, 



L -4 , glabrum, 14 , grandidmtatum, b , IIil 



drcichi, 20; insigne, 22; Italum, 7; Japonicum, 17; laj- 



tum, 12; macrophyllum, 18; Monspessulanum, 9; Ne- 



gundo, 31; nigrum, 4; Nikoense, 29; palmatum (poly- 



morphum), 16; Pennsylvanicum, 27; pictum, 11; pla- 



tanoides, 13; Pseudo-plantanus, 19; rubrum, 2; rufinerve, 



20; saccharinum, 1; sacchanim, 3; spicatum, 25; Ta- 



taricum, 23; Trautvetteri, 21; truiicatum, 10. 



A. Foliage of simple, mostly palmate lvs. [oecasionally 

 3-foHolate in No. 14); fls. polygamous or monce-cious. 



B. Bloom appearing long before the lvs. in dense lateral 

 ' T in May or June. 



rn'rpum, Erhr. A. 

 in. Fig. l.'j. Large 



1 cleft, 4-0 in. long, 

 1 1 ; lobes deeply and 

 ,. a|)etalous: fr. pn- 



S.S. 2:93. ' 



cdrr 



Michx 



tree, 120 ft.: lvs. .In ! i . 



green above, silverj I 



doubly serrate: fls. ^tv i ni- li \ 

 beseent when young. E. N. An 

 1:137. Em. 550. — Ornamental tree, with wido-sji 

 ing, slender branches, growing best in rich and moist 

 soil, but succeeds almost anywhere. Lvs. turn clear 

 yellow in fall. Many garden forms: Var. Wi4ri, Schwer. 

 {var. Wie-n laciniatnm, Hort.). Branches pendulous: 

 lvs. deeply cleft, with dissected lobes. A graceful va- 

 riety, remarkable for its drooping branches and finely 

 divided foliage. Var. heterophyllum, Hort,. (var. htttro- 

 phylhtm hiriuialum. Ilcrt.). ITpriglit: lvs. deeply cut 

 or lobed. Var. tripartitum, Hort. I'priglit : lvs. :i- 

 parted. Var. lut^scens, Hort. Lvs. yellow, lironze-col- 

 oreii wli.n iinrol.ling. Var. albo-variegatum, Hort. 

 (viii. ./'(/- ,, , Ihit,.). Lvs. spotted with white or rosy 

 I'iii \ I 111 [lum, Hort. Lvs. deeply cut and crimped. 

 -I, : iiily supposed this species to be the 



siiL'ir iii:i|,|i . mill named it accordingly. He did not 

 know the true sugar maple. 



2. rtbrum, Linn. Red or Scarlet Maple. Fig. Ifi. 

 Large tree, 120 ft.: lvs. 3-Q-lobed, 3-4 in. long, green 





beneath; lobes unequally 

 fls. red or scarlet, rarely yellowish; 

 •us. E. N. Amer. S.S. 2:94. Em. r,^,l. 

 ii-y valuable tree for street and park 

 r'.at every season from its excellent 

 till =i.nrlet fls., bright red fruits in 

 ' II I'lil fuliage, which turns bright 



winged ijulklsial!..! .,ai.u,r.i... A^-i... . .i... i.UI;, l...\,-:.i, 

 N. Amer., Europe. Monograph by Pa.x iu Engler's But. 

 Jahrb., 6: 287, and 8: 177 (188.5 and 1886), suppl. in the 

 same, 10:393 (1893), and Hook. Ic. Plant. 19, t. 1897 



let. Var. Drummondi, Sarg. (yl. /?rMm?HO«di, Hook. &* 

 Am.). Lvs. large, mostly 3-lobed, tomentose beneath 

 fr. bright scarlet. S. states. S.S. 2:95. Var. tomento 



