EXPLANATION OF PLATE 5. 



Fi^. 1. Inocaulis plumulosus (Hall), as occurring at Hamilton, 



Ont., p. 34. 

 Fig. 2. Inocaulis walkeri (Spencer), p. 3.5. 

 Fig. 3. Inocaulis problkmaticus (Spencer), p. 36. 

 Fig. 4. Inocaulis diffusus (Spencer), p. 36. 

 Fig. 5. Inocaulis cervicornis (Spencer), p. 37. 

 Fig. 6. Inocaulis phycoides (Spencer), p. 38. 

 Fig. 7. Branch of another specimen. 

 "a. Same enlarged. 



