Fig. 61 



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>~iifSvX 



Conjugation in niyxo^poridia. .1 tu /, Myxohcilii.i pfeifferi, TIi. (after Keysseiitz); A' tu f^, 

 Spheroiiiyxa iat)raze.si, Lav. and Mt-s. (after SchnXler); .1, li, formation of Kanietohla.sts; 

 C to G , Union of sporocy.sts and mull iplicat ion of nuclei; //, .\<nniK sporol)iast willi polar 

 capHule.s forniiiiK an<l gametic nuclei not yet united; /, spore with cap.sules (not filled in) and 

 Kametic nuclei united; K, youuK pansporoblast c)f spheroinyxa, with dimorphic nuclei; L, pan- 

 aporoblaot with fourteen nuclei; M, pansporoblast divided into sporoblasts, each with two 

 pole capsules (p), four Klf)bulcs present (r) un<l with two central reduction nuclei; A', sporo- 

 blasts haviiiK two shell nuclei (»), two polar ca|)sules, each with a nucleus and t wo Kenn nuclei; 

 O, youiiK spore, shell nuclei disappeared, capsule (/») and Kerm nuclei ((/(/) compact and lyitin 

 in a row; /■", same, with union of gametic nuclei in tlie si)oroplasm; (i, same, ripe spore with 

 |)olar caijstiles and uporoplasm. 



10 



