Plate XXVI. 



Fig. 94. Abietinaria gigantea. 



A. Natural size. 



B. C. Portions of branches showing hydrothecae and gonangia. 



Fig. 95. Abietinaria gracilis. 



A. Natural size. 



B. Portion of stem showing mode of branching and hydrotheca\ 



C. Gonangium. 



Fig. V 6. Abietinaria greenei. 



A. Natural size. 



B. Portion of branch showing hydrothecae. 



C. Gonangia. 



D. Gonangium showing acrocyst. 



Fig. 97. Abietinaria rigida. 



A. Natural size. 



B. Portion of branch showing hydrothecae. 



C. Gonangia. 



