154 



BOTANY 



A study of actual eross-sections of leaf -buds will make the 

 truth of the previous statements more clearly evident. Hof- 



Pjg. 130c. — Croes-section of a lateral linrt of the Virginia Creeper {Ampelopsis guinr 

 gu^/olia)^ showmg arrangemeni of parte in a double bud. Magnified. — After Hof- 

 zneister. 



meister's figures,* several of "which are here reproduced (Figs. 



130, a, to 130, d), show- 

 that in all cases the leaf 

 rudiments occupy in 

 the bud the positions in 

 which they meet with 

 the least resistance. 

 This is beautifully 

 shown in the leaf -bud 

 of the Hemlock Spruce 

 (Fig. 130, a). In the 

 leaf-bud of the chest- 

 nut (Fig. 130, b), the- 

 T,- .„„j o .• . ^v , „, J . large stipules form the 



Fig. 130!?.— Croea-eection of the leaf-hud of a => ^ 



young plant nf Indian corn (Zea mais). I., the bud-SCalcS : but here, aS. 



cotyledon, withitstwoflhro-vaecular bundles, 1, 1'; . ' 



77, ///.. /F., K, the successive leaves, their mid- ]n the preceding CaSC, 

 ribs marked by a dot. Magnified.— After Hoflneis- ,, -^ , j. tt 



ter. growth appearsto follow 



the "lines of least resistance," the young leaves occupying 

 the interspaces between the stipules. The double lateral bud 



* In " Allaem. Morphol." 



