Dictyota and Taonia. 
553 
EXPLANATION OF PLATE XXV. 
Illustrating Mr. Williams’ paper on the Antherozoids of Dictyota and Taonia. 
All the figures relate to Dictyota dichotoma, Lam. 
Fig. i. Part of a sorus of antheridia in vertical section. Fixed in Flemming’s 
mixture and stained with Hoffmann’s blue. 
Fig. 2. Antherozoids fixed as above, dried on the slide, then stained with 
Hoffmann’s blue and mounted in balsam. 
Fig. 3. Antherozoids fixed while very active with Flemming’s mixture, stained 
in Hoffmann’s blue and mounted in dilute glycerine. (Camera lucida drawings). 
Fig. 4. Antherozoids fixed when very sluggish, dried and stained in the same 
way as Fig. 2. 
