158 : 
b. Leaves with lobes more or less toothed ог relobed.................... AT- 
‘45 a. Branches corky; leaves 3-5-lobed, the aim blunt at 
nglish йын. куе cam pestre.) 
b. Branches not corky; leaves 5-7-lobed, а lobes pointed. н 
Colchicum-leaved Maple. (Acer laetum.) 
47 4. Leaves usually 3-lobed, the lobes toothed; petiole and twigs usually red; 
usually smooth and light gray, usually rough only toward the base. 
ed Maple. (Acer rubrum. ч 
КОТАН MM Cete Аё IB. йз укол ok s or v iE Ле! 
48 a. Lobes of leaves many-toothed, the teeth usually rounded, not with idee 
HDi abu Li uu rt. Sycamore Maple. (Acer pseudo-platanus.) 
Ф. Lobes of leaves with 2—4 coarse teeth, the teeth usually pointed or with 
ИЛИН ON Qi PL р wr erase ocn reda awd, 
49 a a. arius die tree; leaves 4—7 in. broad; bark smooth or short-furrowed. 
orway Maple. (Acer platanoides.) 
b. Native tree; leaves 3-6 in. broad; bark peeling in elongated flakes. 
Sugar Maple. (Acer Saccharum.) 
ПО ТОКИО ГИНУ compaund.. слу. eee te ess учтуу оуу. 51 
k Leaves pinstately Compounds, у. io рулы су ОИНИ 52. 
51 а. Fruit prickly; tree rather commonly planted. 
Horse-chestnut. (Aesculus Hippocastanum.) 
b. Fruit not prickly; tree not very — planted. ; 
o Buckeye. (Aesculus glabra.) 
52 а. Leaflets 3 or 5, coarsely toothed or ора .Box Elder. (Acer сда 
b ets 7 or more 
53 а. Fruit berry-like; bark corky.....Cork Tree. ( Phellodendron i 
TNCS UE UM ee ы oec de Mini ELEC RCRUM Oe one Ld OUR eta Vc MOERS ya 
б Posh winged; bark ob bati 22 уму eor ООЛ Г. 54 
540. Latest beate aulae ы ien orc enl 55. 
b Laudi МИА МИИ а oh aie ec vobi mu: 56. 
55 0. Fruit with wing nearly all terminal on the seed. 
White Ash. (Fraxinus americana.) 
Ф. Fruit with wing extending about half way down on the seed 
ed Ash. (Fraxinus onmia 
56 a. Trees growing wild, in moist рїасев....... Black . (Fraxinus nigra.) 
kei ады бане e CR rapax ane Fe edu em dead cs iv 
57 а. Fruit 3/@1 in. long; leaflets usually entire. 
lowering Ash. (Fraxinus ornus.) 
b. Fruit 1-2 in. long; leaflets usually toothed. 
En Ash. (Fraxinus excelsior.) 
58 a. pound, composed of 3 or more leaflets 
b beares eile s o i E a ш Laid А 
59 a. Leaflets usually 2 in. or less long, with entire margins; fruit a pod.....60. 
b. Some or all of the leaflets more than 2 in. long, with entire or tothed 
eee E Каз eel ey MON 
А orl cin a e M oe 
бо а. Trees usually with thorns тї in. or more long on the trunk; leaves an 
doubly compound; pods то in. or more long, flat. 
Thorny Locust. (Gleditsia triacanthos.) 
o Press mot. completely pin в. дааа oe E CS. 61. 
