Howe: Lichens from Ontario, Canada. 



121 



29. Cladonia pyxidata (L.) Fr. Nipigon; Little Fluor Island and 



Porphyry Island, L. Superior; Heron Bay; Silver Islet; Ross- 

 port; Perry Lake, Thunder Cape. The material represents 

 the varieties pocilltini (Ach.) Flot., neglecta (Flk.) Mass., and 

 chlorophaea (Spreng.) Flk. 



Group: STRATOSM. 

 Family: PHYSCIACE^. 



30. Physcia stellaris (L.) Nyl. Silver Islet, Thunder Cape. 



31. Physcia stellaris var. aipolia Nyl. Heron Bay; Porphyry Island, 



L. Superior. 



32. Physcia pulveridenta var. lencoleiptes Tuck. Porphyry Island, 



L. Superior. A part of the material represents form turgida 

 Schaer. 



33. Physcia obscura var. endophoenicea Harm. Oliver Creek, three 



miles southeast of Stanley. 



34. Xanthoria polycarpa (Ehrh.) Oliv. Mt. McKay, Ft. William; 



Silver Islet, Thunder Cape; Fluor Island and Porphyry Island, 

 L. Superior. 



35. Xanthoria lychnea var. pygmaea Fr. Porphyry Island, L. Superior. 



36. 



37. 



38. 



39- 



Family: CALOPLACACE^. 

 Caloplaca cerina (Ehrh.) Zahlbr. Silver Islet, Thunder Cape. 

 Caloplaca elegans (Link) Th, Fr. Silver Islet, Thunder Cape; 



Little Fluor Island, Porphyry Island, and Fluor Island, L. 



Superior. 



Family: BUELLIACE^. 

 Buellia parasema (Ach.) Th. Fr. Rossport; Six-mile Lake and 



Silver Islet, Thunder Cape; Edwards Island, L. Superior. 

 Rhinodina sophodes var. lecideoides (Nyl.) Hasse, in litt., Nipigon. 



Dr. Hasse writes "I think this variety has not been reported 



from this country." 



Family: PARMELIACE^E. 



40. Nephromopsis ciliaris (Ach.) Hue. Thunder Cape. 



41. Platysma juniperina var. pinastri (Ach.) Nyl. Mt. McKay, Ft. 



William; Silver Islet, Thunder Cape; Porphyry Island, L. 

 Superior; Maloney Harbor, Magnet Pt.; Jackfish Island, L. 

 Superior. 



