48 



BOTANY. 



Fig. S9.—Peromspora cddnearum. A , yonng oogonium o, and yotmg anthendium 

 re, in contact witli it ; B, the antheridiiim n beginning to pierce tlie oogomnm o, whose 

 protoplasm is becoming condensed ; 0, the fine tube of the antheridiam n. has ptn- 

 etrated the oogonium o, and come in contact with its condensed and rounded proto- 

 plasm, the oof phere. X 3B0.— After De Bary. 



Fio. 40. Fib. 41. 



Fig. 40. — Female reproductive organs of a moss, JS^naHa hygrotnelrica. A, apex 

 of the stem ; a, archejjonia ; 5, leaves : .B, urcltegonium ; o, base : A, neck ; m, 

 month : C, mouth of fertilized archegoniam A X 100, B X 650.— After Sachs. 



Fig. 41.— Male reprodnctive organs of the same moss. A, antheridium open and 

 permitting the spermatozoids a to i-scape ; B, 6. speim-cell of another moss [Folytri- 

 chum)t with contained spermatozoid : c, spcrmatozoid free, with two cilia at the 

 pointed extremity. A X 350, B X 800.— After S:;chs. 



