. Plants and their uses; an introduction to botany . chances ofpollination and at the same time favors economv in the amountof pollen produced. See Figs. 2-15, 27. 36, 74 B,C, 109 C, D, 124B, 153, 159, 165 //, 171 //, 243, 248, , 256 B, 257, 267 D, still further advance in these directions came when insects andother animals were attracted to the flowers, and their services thussecured as carriers of pollen. The attractive odors, bright colors,and alluring sweets, together with the marvelous arrangements ofthe various floral organs, present modifications of endless varietyand offer on
. Plants and their uses; an introduction to botany . chances ofpollination and at the same time favors economv in the amountof pollen produced. See Figs. 2-15, 27. 36, 74 B,C, 109 C, D, 124B, 153, 159, 165 //, 171 //, 243, 248, , 256 B, 257, 267 D, still further advance in these directions came when insects andother animals were attracted to the flowers, and their services thussecured as carriers of pollen. The attractive odors, bright colors,and alluring sweets, together with the marvelous arrangements ofthe various floral organs, present modifications of endless varietyand offer one of the most fascinating fields in the whole range ofbotanical studv. See Figs. 22. 39 //, 48, 57, 59 77, 80, 91-100, 106,133, 139, 145, 148, 156. 163, 164, 168 //, 172, 178, ,189,192,217, 251, 275, 276, 282-293, 299, etc. This elaborate modification of stem-parts and leaf-jiarts cooperat-ing with pollen-sacs and ovules to form what we call a flower bringswith it the further possibihty of utilizmg these accessory organs, 558 LIFE-HISTORIES. >1> c £ > »:c J5 HH 2 o T3 3 CO -1^ T5 O s to 3 0 c X c ?^ w ^ ^ X ?^ -*-* p ^ 1 S — S 1 li x +3 X :5 0 X 2 - ^ .2 3 t::? o U. c l-l X o o ?^ r3 o 3 X t; 5 ~ X ^ : C. X S ^ ci f^ -? ~ — — — -^ >) c 5 x c u o g 5 „ ri rf X £; X r ?^ 5 u ?; ?2 o M 5 % x 0 ^ X 3; E H yT ti o M 3 s Si; o In?ji t^ - %4 >, s S Ec 1 T3 > ^ -; ^ •- S c3 C m *3 j3 o> X -a o 3 o C =O a; 3 2 1h o X -a >> _3_3 o ^ u ^~^ i 3 c X 2 o 1 X ^ X a; 5 5 i -^ ~ _0 a XX ^ r 3 Jh ^ ^-T^ ^ 2 C-3 X ^ > ^ 3G ^ O O § S S S u -r ~ 3 oji,x^ 2 g M Ho g|x_2 £ _c . X ~ t. i-3 SEt3 >.3 Q >., G ^ CO rt C X O 2-^ g c 2 S t^ ° o o a ^ g -^ ^ - — 3vrX-~353 .?7 i -i ?~^:^^ -At. VI ^3 n. r o ^ a sp i-i ?— B3i3i;^?^3? 3^§co*^a) 3 fe >-!^ fe -^ C > G G ^ ^ 3 3 >. £ -^ .. ?« ^?*^ O ^53 3 p o 5F _c3 3- c; ~ ^~ 3 aj3 X fcJC t. - 2,x-43 0^-C3c33 g;d^32=^^— 3 :t -t ^ O >,~ X J: y -^ i £ ^ 5 ?;= o^
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
