The tree book : A popular guide to a knowledge of the trees of North America and to their uses and cultivation . So a u- Js «-^ *v CO ^ >>C a] ^° fll3 £CU W T u »r3 4J CU rt _Q ^CO •H £ .S o « fl <3 P o <o 3 * 3 « M w 5 a u O ^JB s •° is < S M w T? 4J « £ T3 co pi 3 id o -a a 3 « £ co <u O - < u 1—1 14H pi CO «S w rt O < .3 i-i a-0 2 u w CO 6 .42 a ri c o ffi t> xi o j3 in *-• « u I-1 -2 J* CO u a <u s •B o rt E o -aH. o •a, <3 u OS pq w H ME* <u i—i asw o .b 1/5 6-° ^ * S 331 CI U O js cu +$ •° jy j: « oy e »> c C Q, .o 5 > u «jrt «j >« ?So u s. .*
The tree book : A popular guide to a knowledge of the trees of North America and to their uses and cultivation . So a u- Js «-^ *v CO ^ >>C a] ^° fll3 £CU W T u »r3 4J CU rt _Q ^CO •H £ .S o « fl <3 P o <o 3 * 3 « M w 5 a u O ^JB s •° is < S M w T? 4J « £ T3 co pi 3 id o -a a 3 « £ co <u O - < u 1—1 14H pi CO «S w rt O < .3 i-i a-0 2 u w CO 6 .42 a ri c o ffi t> xi o j3 in *-• « u I-1 -2 J* CO u a <u s •B o rt E o -aH. o •a, <3 u OS pq w H ME* <u i—i asw o .b 1/5 6-° ^ * S 331 CI U O js cu +$ •° jy j: « oy e »> c C Q, .o 5 > u «jrt «j >« ?So u s. .** o »<« ?° JS s &&*M s 2 U ^d ~* Jfl U T3 «— *j i/3 2 cO Jo u. u fS . f8 B JJ « •bo. U ^V 3 e S wr * c C o .2 S 5 »j 2 ao« a. « 9J w «J X 1)135 M ... BIN 5 s b s ^ i °- a p u 3 .S e S a JK tu ? CHAPTER XXIII: THE BIRCHES Family Betulace/e Genus BETULA, Linn. Trees with smooth bark marked with conspicuous horizontalslits (lenticels), usually curling back in thin horizontal simple, alternate, deciduous, serrate, stalked. Flowersmonoecious, in catkins. Fruit cone-like, scaly; seed flat, winged. KEY TO SPECIES A. Bark chalky white, yellow Leaves triangular, bark close. (B. populijolia) white birchBB. Leaves ovate; bark separating freely into layers. (B. papyrifera) canoe birchAA. Bark grey, curling back, yellow beneath. (B. lutea)
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttrees, bookyear1920
