lOi INSCRIPTIONS OF THK SUKTMS 



KEY TO HE SHRUBBY MAPLES 



* Leaves compound (pinnate) of usually 3 (3-7) irregularly notched 



blades. ASII-LEAVED MAPLE (102) or Box 'ELDER' -Acer Ne- 

 gtindo. 



* Leaves compound (palmate) of 5-9 narrow, deeply-notched blades. 



Varieties of Japan Maple (105) Acer palmatum : 

 dissectum has green blades, 

 ornatum has deep red blades, 

 roseo-pictum has green blades marked with white and green 



spots. 



aureum has yellow blades, 

 sanguine am has bright red blades. 



* Leaves generally 3- (rarely 5-) lobed. (A.) 

 A. Lobes acute at tip and fully notched. (B.) 



B. Leaves 1J 3 inches long with long terminal lobe. SIBERIAN 

 MAPLE (100) Acer Ginnala. 



B. Leaves 2i-4| inches long with coarsely serrated lobes. MOUN- 

 TAIN MAPLE (103) Acer spicatum. 



B. Leaves 6-8 inches long, finely serrate ; bark green with white 

 lines; usually a tree. STRIPED or GOOSEFOOT MAPLE (104) 

 MOOSEWOOD Acer pennsylvanicum. 



A. Lobes all rounded and entire or with blunt teeth ; flower-clus- 

 ters erect. (C.) 



C. Leaves 3-5-lobed, the lobes entire or the middle one slightly 

 3-lobed, dull green in some, varieties variegated with white 

 dots or blotches, 1|-3| inches long; fruit broadly spreading. 

 FIELD MAPLE or ENGLISH CORKBARK MAPLE (107) Acer 

 campe"stre. 



C. Leaves 3-lobed, thick and nearly evergreen, shiny above and 

 glaucous beneath; fruit slightly spreading. MONTPELIER 

 MAPLE (108) Acer monspessulanum. 

 * Leaves rounded, vine-like with 7-11 short, pointed, doubly serrated 



lobes. VINE MAPLES. (D-) 



D. Stems of leaves and fruit smooth. ROUND-LEAVED MAPLE 

 (109) Acer circinatum. 



D. Steins of leaves and fruit downy when young. JAPAN VINE 

 MAPLE Acer japonicum. 



* Leaves rounded and deeply 5-11-lobed, the lobes pointed and doubly 

 serrated. (E.) 



E. Stems of leaves and fruit smooth. JAPAN MAPLE (105) Acer 

 palmatum. 



