DEVELOPMENT OF PLANTS 



303 



Fig. 207. Male reproductive organs: i, male plants of Polytrichum 

 bearing antheridia in cup-like buds. 6, section of apex of stem of Fiinaria 

 — an, antheridia; p, paraphysis. 7, male gametes, the one at left still en- 

 veloped in mucilaginous remains of mother cell wall. 



Fig. 208. Female reproductive organs: 8, longitudinal section of apex 

 of stem, showing arrangement of archegonia. 9, archegonium enlarged, 

 the canal cells just beginning to dissolve — g, the female gamete. 



