CONSPECTUS OF ORDERS AND 1 



the spore) remains entirely in the macrospore, now termed the 



sporangium or " ovule." This ovule consists of one or two integuments 



■ • ( | tissue, the " micellus,"' in whieh the 



■>■ the ovule undergoes ch 



(unless this has been consumed by the growing embryo), and the 



:.:!>ryo itself. The e,el<-p- ti., :- ,-, tissue in the embryo-sac which 

 represents the prot hall int., in i In < !\ mnosperms. In the Angiosperms 

 the prothallium and its archegonium with . 



cells. The microspores of the Phanerogams . 



ovule by transportation of the whole 



228. The seed-bearing plants or Phanerogams are divided into two 



A. Ovules before fertilization not enclosed in an ovary formed by 

 female sporophylls or carpels. Endo- 

 iloped i 



sperm or prothalli 

 developing archegonia 



B- Ovules produced it 



developed after pollination togethei 

 Cotyledons 1-2 



pollen-grain- 



II. Angiosperms (p. 

 SUB-DIVISION I. GYMNOSPERMflS. 



