138 BOTANICAL GAZETTE [FEBRUARY 
PLATE IX. 
G. 74. Antheridium in which the nuclei are elongated and preparing for 
Fic. 75. Portion of section of an antheridium showing the spindles with the 
dense chromosomes in the plate and in some cases the centrosome-like bodies at 
€ poles. 
Fic. 76. Two cells of the same section enlarged three times. 
_ Fic. 77. Chromosomes at the poles of the spindles. 
_ Fic. 78. Cross-section of thallus showing the hyaline hairs which extend up 
into the median grooves. 
