Plate XXVII. 



Fig. 98. Abietinaria traski. 



A. Natural size. 



B. Portion of bianch showing hydrothecae and gonophores. 



Fig. 99. Abietinaria turgid a. 



A. Natural size. 



B. Portion of branch showing hydrothecae. 



C. Gonangia. 



Fig. 100. Abietinaria variabilis. 



A. Natural size. 



B. Portion of branch showing hydrothecae. 



C. Gonangium. 



Fig. 101. Dictyocladium flabellnm. 



A. Part of branch showing hydrothecae (After Nutting). 



B. Portion of colony showing mode of branching, hydrothecae and 



gonangium. 



