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IIUW PLANTS «iHO\V I |{(j.M TIIK SKKD. 



sprin^jin;; from tlio top of tlio first (Fi^. 30) Mrmiwliili' ilio root has pro\m 

 (lf( |HT into tin* soil, aiii] sent (nit hninclirs. Having now more r(»ots Iwlow, and, 

 uImjvc, a pair of leaves bt'sidos the scud leaves to work with, tho seedling plantlet 



I : 



all the sooner makes vefje- 

 tahle matter enoii<,']i to 

 form a third pair of leaves 

 and raise them on a thiid 

 joint of stem (as in Vi\f, 

 31); and so it goes on 

 step hy step. This nour- 

 ishment in the embryo of tlie Red Ma[)le seed was a few weeks Ih fore in the 

 trunk of the motlier tree, as a sweet sap. that is, as Maph -fiwjdi'. 



37- Variations of the Plan of GrOWtll. in the Morning-tdory, after the pair of 

 seed leaves, only one leaf is found upon each joint of stem (see Fig. 23 and 4). 

 In the Maple there is a pair of leaves to every joint of stem, as long as it grows. 

 In the Morning-CJlory tiie food in the seed, for the growth t ) l)egin with, was 

 stored up outnide of ihi' etuhnjo ; in the ^laple it was stored up in it, that is, in 

 its seed-leaves. The plan is evidently the same in both ; but there are differ- 



