HIPPOCASTANACEAE (BUCKEYE FAMILY) 



% a Branches corky; leaves 3-5-lobed, the lobes blunt at 



apex ENGLISH MAPLE. (A. campestre*) 



b Branches not corky; leaves 5-y-lobed, the lobes pointed 



COLCHICUM-LEAVED MAPLE. (A. laetum.*) 



9 a Shrub; leaves usually 3-lobed, the lobes short, coarsely 

 toothed, hairy beneath; flowers and fruit in racemes 



MOUNTAIN MAPLE. (A. spicdtum.) 



b Trees; leaves and fruit not completely as in a 10 



to a Leaves usually 3-lobed, sometimes 5-lobed, the lobes 

 toothed ; petioles and twigs often red ; bark usually 

 smooth and light gray toward top, usually rough only 



at base RED MAPLE. (A. rubrum.) 



b Trees not completely as in a 1 1 



ti a Leaves 3-6 in. long, 3-5-lobed, the lobes many-toothed; 

 petioles often red; cultivated species 



SYCAMORE MAPLE. (A. pseudo-pldtanus*) 

 b Leaves 3-8 in. long, 3~7-lobed, the lobes with 2-8 large 



teeth 12 



[2 a Cultivated species; leaves 4-7 in. broad; milky sap often 

 exuding from cut twig or terminal bud 



NORWAY MAPLE. (A. platanoldes* ) 

 b Wild species; leaves 3-6 in. broad; no milky sap as in a 



SUGAR MAPLE. (A. sdccharum.) 



9 HIPPOCASTANACEAE. Buckeye Family. 

 i ASSCULUS. 



1 a Flowers white, or whitish with spots 2 



b Flowers not white, usually yellow, red or purple 3 



2 a Tree; flowers mottled with red or yellow spots 



HORSE-CHESTNUT. (A. hippocdstanum*) 

 b Shrub ; flowers pure white 



SMALL BUCKEYE. (A. parviftbra.* ) 



3 a Flowers yellow or yellowish 4 



b Flowers usually purple or some shade of red 5 



4 n Stamens longer than the petals; fruit rough when young 



OHIO BUCKEYE. (A. glabra.*) 

 b Stamens not longer than the petals ; fruit smooth when 



young YELLOW BUCKEYE. (A. octdndra*) 



5 a Flowers flesh-colored to scarlet; fruit prickly 



SCARLET BUCKEYE. (A. cdrnea*) 

 b Flowers purple to red; fruit smooth 



RED BUCKEYE. (A. pdvia*) 



10 SAPINDACEAE. Soapberry Family. 



t CARDIOSPfiRMUM BALLOON VINE. (C. halicdcabum* ) 



2 KOELREUT6RIA VARNISH TREE. (K. paniculata*) 



it* 



