45a 



BOTANY. 



m 



b.J 



Fia. 332. 



Fig. 332. — Germination of Indian corn. Z, 77., III., 

 euccefisive stages. A and B, front and side views of 

 a separated embryo. In the fignres, w, tiie primary 

 root ; IDS, its root-slieatii ; m', w", adventitious roots ; 

 w"', lateral roots springing from the main root; e, 

 part of seed filled "]|h endosperm ; so, cotyltdon ; )•, 

 Its open margins ; k, tlie plumule ; b, b', &", leaves of 

 young plant ; I, fruginent of wall of ovary. Natural 

 size.— After Sachs. 



Pig. 333.— Gerininntioii of the Date (Phcmim dacty- 

 li/era). I-t transverse section of seed ; c. embryo ; fl, 

 endosperm, //.,///., sections of germinating beeds; 

 c, apex of cotyledon developing into an absorbing' or- 

 Mn ; It, stalk of cotyledon ; «, sheath of cotyledon ; 

 6', *", leaves ; w, root ; m', lateral roots ; li, root-cap. 

 /F., young plant, natural size, the lettering as In IJI. 

 A. section of IV. at x — a.' B. section at af. — «. ihA 



