TWICE-COMPOUND LEAVES 



180 Leaflets about 6 mm. long, 40-60 to a pinna 



SILK-TREE, JULIBRIZZIN (ALBIZZIA) 



180 Leaflets usually longer, or if shorter then not so many to a 



pinna - ^°^ 



181 Margin of leaflets entire or wavy 182 



181 Leaflet-margin distinctly toothed and sometimes lobed 183 



182 Tree usually spiny ; lowest pinnae compound like the others 



HONEY-LOCUST (GLEDITSIA) 



182 Tree unarmed; lowest pinnae are simple leaflets 



KENTUCKY COFFEE-TREE (GYMNOCLADUS) 



183 Bark prickly ; leaves 40 cm. to 1 meter long 



ANGELICA-TREE, HERCULES' CLUB (ARALIA) 



183 Bark unarmed ; leaves up to 35 cm. long 



VARNISH-TREE, PRIDE OF INDIA (KOELREUTERIA) 



27 



