306 



BOTANY 



becomes very much enlarged before dividing, is transverse. The cell next the 

 archegoniuin neck is the larger, and either remains undivided or divides only a 

 few times, forming the " Suspensor." The embryo itself is developed entirely 



,Cot. 



D 



Fia. 272. Lycopodium phlegmaria. Development of embryo; St, stem; Cot, 

 cotyledon; Susp, suspensor; R, root. (A, X315; B, C, X 235; D, X 175.) 

 (After TREUB.) 



from the lower of the two primary cells. The early divisions are like those in 

 other Archegoniates, and a division into quadrants, and generally into octants, 

 may usually be demonstrated. 



