G.4] CLASSIFICATION AND DESCRIPTION 67 



sides, somewhat 3-lobed, the end one seemingly cut off, leaving a 

 shallow notch ; stipules light-colored, large, oblong, attached all 

 around the stem, often remaining on through half the season. A 

 very large (80 to 150 ft. high), beautiful, rapidly growing tree, with 

 soft, straight-grained, greenish wood, of great use for inside work. 

 Southern New England and southward. Especially abundant and 

 large in the Western States. Also cultivated. 



GENUS 3. CEBCIDIPHYLLUM. 



Shrubs or trees with opposite, rarely subalternate, 

 simple, deciduous leaves. Fruit short-stemmed, with di- 

 vergent pods, 2-4 in number, splitting open on the outer 

 edges ; each one-celled, with one row of lapping, pendulous 

 seeds with membranous wings. 



Cercidiphyllum Japonicum. (KAT- 

 SURA-TREE.) Leaves broadly heart-shaped, 

 palmately veined with 5- 7 ribs, and with 

 an apparently entire margin, dark green 

 above, somewhat glaucous beneath. Un- 

 der a magnifying glass the margin will 

 be found to have pellucid crenulations. 

 Leafstalk dark red and jointed above the 

 base, the veins somewhat red-tinted. A " a Ja P 6nicum. 

 beautiful, upright tree with birch-like, dotted, brown bark ; of recent 

 introduction from Japan, and probably completely hardy through- 

 out the region. 



ORDER II. 



A rather small order of mostly tropical trees or shrubs, 

 with alternate, simple leaves. 



GENUS 4. IDilSIA. 



Large trees with terminal and axillary panicles of very 

 small flowers and berries. 



Idesia polyc&rpa, Hook. Leaves large, heart-shaped, serrate, 

 palmately veined with 5 ribs ; leafstalk very long, red, with two 



