160 R- HEBER HOWE, JR. 



41. Peltigera spuria (Ach.) DC. Stevenville, on moss, fertile. 



42. Peltigera canina (L.) Hoffm., Stevenville, on moss, fertile. 



43. Peltigera rufescens (Neck.) Hoflfm., Stevenville, on moss, fertile. 



44. Nephroma arclicum (L.) Fr., Stevenville, on moss over ledge, fertile. 



45. Nephroma laevigatum Ach., Stevenville, on spruce twigs, fertile. 



Famify: Stictaceae 



46. Stictina crocata (L.) Nyl., Stevenville, on spruce, sterile. 



47. Stictina scrobiculata (Scop.) Nyl., Stevenville, on trees, sterile. 



48. Lobaria amplissima (Scop.) Arn., Bottom brook, on spruce, fertile. 



49. Lobaria pulmonaria (L.) Hoffm., Stevenville, on spruce, sterile. The speci- 

 mens show to some extent the darkened, toraentose under surface reticulations 

 of the form hypomela Del. 



50 Lobaria pulmonaria var. nov. minor. One set of specimens I am distin- 

 guishing as a new variety. Type No. 2459 in the author's herbarium, Stevenville, 

 Newfoundland, July 9, 1911. It may be diagnosed as: Similis specie! sed multo 

 minor cum lobis plane pinnatis. 



Family: Pannariaceae 



51. Pannaria rubiginosa (Thunb.) Del. Stevenville, on spruce, sterile. 



Family : Lecideaceae 



52. Bacidia endoleuca (Nyl.) Kickx., Stevenville, on bark, fertile. 



53. Lecidea flavido-livens (Tuck.) Hasse in litt. Stevenville, on twigs, fertile. 



Group: Collemae 

 Family: Collemaceae 



54. Leptogium tremelloides (Linn, f.) Wain., Stevenville, on stump, sterile. 



55. ? Collema pycnocarpum Nyl., Bottom brook, on rock, sterile. 



56. CoZZema^acadum Ach., Stevenville, on spruce, sterile. 



BIBLIOGRAPHY." 



De la Pylaie: Mem. Soc. Linn., 4: 417-547. 1826. 



Arnold: Lich. de I'ile Miquelon, Rev. Mycol. 2: 141-144. 1887. 



Arnold: Lich. Fragm. Miquelon, Flora 71: 81-95. 1888. 



Hue: Lich. de Miquelon, Bull. Soc. Bot. France, 34: 38-48. 1888. 



Delamare: Flora Miquelonensis, Denauld & Cardot, 67-77. 1888. 



Eckfeldt: An Enumeration of the Lich. Newfoundland and Labrador. Bull. 

 Torrey. Bot. Club 22 : 239-260. 1895. (This list did not distinguish between 

 Labrador and Newfoundland in recording the species.) 



Arnold: Lich. Fragm. Newfoundland, Oesterr. bot. Zeitschrift, 1896. 



"See also Fernald, Rhodora 13: 109-162. 1911. 



