WINGE, CYTOLOG. STUDIES IN THE PLASMODIOPHORACEiE. 39 



Fig. 61. Rather young spores. 

 » 62. A spore-cake seen from above. 



» 63. A little spore-cake (side-view). — Reichert Obj. 5. Oc. 3. 

 » 64. A nucleus of CalUtricJie autumnalis from an infected cell. 



More nuclei are seen. 

 » 65. A nucleus from the vegetative phase (dividing). 

 » 66 — 67. Chromatical stage. The chromatin going from the ca- 



ryosome to the periphery of the nucleus. 

 » 68. The lirst sporogonic division. 

 » 69. The second sporogonic division. 

 » 70. A spore at the maturity. 

 » 71 — 73. Nuclei at the chromatical stage. The chromatin going 



from the caryosome to the periphery. In fig. 73 are seen 



»garlands» at the two poles. 

 » 74. The lirst sporogonic division. Metaphase. 

 » 75 — 77. Spore-tetrades at maturity. Reichert Obj. 5, Oc. 3. 

 » 78. A single spore. 



Tryckt den 31 december 1912. 



Uppsala 1912. Almqvist & Wiksells Boktryckeri-A.-B. 



