Howe: Lichens from Ontario, Canada. 123 



56. Peltigera polydactyla (Neck.) Ilofrni. Maloney Harbor, Magnet 



Point, Nipigon; Rabbit Mt., fifteen miles west of Ft. William; 

 Ft. William. One example suggests P. pulvendenta (Tayl.) 

 Nyl., the spores, however, being small. 



57. Peltigera horizontalis (L.) Hoflfm. Tee Bay and Silver Islet, 



Thunder Cape; Mt. McKay, Ft. William. 



58. Peltigera canina (L.) Hoffm. Nipigon; Stanley; Porphyry Island, 



L. Superior; Six-mile Lake and Silver Islet, Thunder Cape. 



59. Peltigera rufescens (Sm.) Hoffm. Nipigon; Stanley; Mt. McKay, 



Ft. William; Maloney Harbor, Magnet Point; Silver Islet, 

 Surprise Lake and Sleeping Giant Mountain, Thunder Cape. 



60. Peltigera spuria (Ach.) DC. Ft. W^illiam; Stanley; Rossport; 



Maloney Harbor, Magnet Point. 



61. Peltigera venosa (L.) Hofifm. Nipigon. 



62. Nephroma Iccvigatum Ach. Nipigon. Represents the variety 



parile Nyl. 



63. Solorina sacca'.a (L.) Ach. Fluor Island, L. Superior; Rossport; 



Nipigon. 



Family: STICTACE^. 



64. Lobaria pulmonaria (L.) Hoft'm. Paps Harbor, Black Bay 



Peninsula; Nipigon; Loon; Oliver Creek, near Stanley; Por- 

 phyry Island, L. Superior. The material represents in part 

 the following forms: papillaris Del., hypomela Del., sorediata 

 Harm. 



Family: PANNARIACE^. 



65. Pannaria lanuginosa (Ach.) Krb. Surprise Lake and Silver 



Islet, Thunder Cape; Current River, Port Arthur; Little Fluor 

 Island, L. Superior; Heron Bay. 



66. Pannaria microphylla (Sw.) Ach. Porphyry Island, L. Superior. 



Family: GYROPHORACE^. 



67. Gyrophora vellea (L.) Ach. Jackfish Island and Little Fluor 



Island, L. Superior; Heron Bay; Blend River, at head of 

 Thunder Bay; Nipigon; Silver Islet and Surprise Lake, 

 Thunder Cape. With a clear conception of G. hirsuta still in 

 doubt, I am referring all this material here. 



68. Gyrophora fiocculosa Borr. & Turn. Fluor Island, L. Superior. 



69. Gyrophora Muhlenhergii Ach. Little and Big Fluor Islands, L. 



Superior; Nipigon; Heron Bay; Silver Islet, Thunder Cape. 



