3S 
MOUNT ARBOR NURSERIES, SHENANDOAH, IOWA 
MAPLE. Acer 
Box Elder or Ash Leaved Maple (A. Ne- 
gundo) — Large spreading tree of rapid 
growtli, TO feet high; foliage smaller 
than in other maples; very frequently 
planted for wind-breaks and timber; 
very hardy. 
Norway Maple (A. Platanoides) — A large 
handsome tree, with broad, deep green 
foliage; has a very compact growth; 
attains a height of 100 feet; a valuable 
tree for parks, lawns or streets. 
Schwedlers Maple (A. Platanoides 
Schwedlerii) — A beautiful variety with 
very large bronze-red leaves and young 
shoots of the same color; a vigorous 
grower and a most effective orna- 
mental tree; grows about 50 feet high. 
Silver Leaved or Soft Maple (A. Dasy- 
carpum) — A rapid growing tree of 
large size, irregular rounded form; 
foliage bright green above and silver 
beneath; a favorite street and park 
tree; attains about the same height or 
taller than the Norway. 
Sugar or Hard Maple (A. Saccharum) — 
A well-known native tree, valuable 
both for the production of sugar and 
wood; very desirable as an ornamental 
shade tree. 
Sycamore Maple (A. Pseudo Platanus) — 
A native of Europe; leaves large, deep 
green and smooth; bark smooth and 
ash gray color; rapid upright growth; 
a beautiful tree for street planting. 
Wier's Cut Leaved Maple (A. Wierii 
Laciniatum) — A variety of the Silver- 
leaved and one of the most beautiful 
with cut or dissected foliage; rapid 
growth, shoots slender and drooping; 
ranks among the best as an attractive 
lawn or street tree. 
Mountain Ash 
MOUNTAIN ASH. Sorbus 
European Mountain Ash (S. Aucuparia) — A fine tree 
with dense and regular head; covered from mid- 
summer to winter with great clusters of bright 
scarlet berries. 
Oak Leaved Mountain Ash (S. Quercifolia) — A hardy 
tree of fine pyramidal habit; foliage deeply lobed, 
bright green above and downy underneath; one of 
the fine.st lawn trees. 
MULBERRY. Morus 
Russian Mulberry (M. Alba Tartarica) — See Mulber- 
ries, page 25. 
White Mulberry (M. Alba) — See Mulberries, page 25. 
OLIVE. Eleagnus 
Carolina Poplar (See page 39) 
Russian Olive (B. Augustifolia) — A very large shrub 
or small tree; leave.s narrow and silvery- white, 
flowers yellow and fragrant; very hardy. 
OAK. Quercus 
Pin Oak (Q. Palustris) — A magnificent tree for lawn 
and street planting, with deep green foliage which 
changes to a rich scarlet and yellow in the fall; a 
most shapely and graceful tree. 
Red Oak (Q. Rubra) — Makes a tree of great height, 
80 to 100 feet; a native of large size and rapid 
growth; leaves dark dull green, turning to orange 
and brown in autumn; acorns very large; a beau- 
tiful specimen tree for park and street planting. 
Scarlet Oak (Q. Coccinea) ^ — -A rapid growing pyra- 
midal tree, especially beautiful in the fall, when the 
foliage changes from green to a bright scarlet; very 
symmetrical In outline. 
