310 
40. L. columbinum (Pers.) Rost. Greenfield, October, 1894. On 
moss covering a log, in fine development (Harvey). 
Regarding this form Mr. Morgan made the following note: 
« It corresponds exactly to what Rostafinski describes as Lampro- 
derma columbinum (Pers.) Rost. Lister and Massee have made 
very bad work of this genus, so that the students in this country 
using their volumes can scarcely tell what to do with their speci- 
mens. I was influenced by Lister in this genus, but after the pub- 
lication of his volume I am disposed to fall back on Rostafinski. 
Lister combines this species with L. physaroides A. and 5. This 
I think is not correct. The old writers describe.them as distinct, 
one with a silvery sheen and the other with a steel blue luster. 
Both have long stipes. I think Rostafinski is correct in allowing 
them to stand as two good and distinct species. It is more like 
L. vtolaceum Fr., having, however, a much larger stipe.” 
41. L. violaceum Rost. Greenfield, 1895 (Harvey). 
42. L. arcyrwides (Somm.) Rost. Rangely (Rex). Lister puts 
this under L. violaceum Rost. 
Orp. AMAUROCHAETACEAE. 
43. Amaurochaete atra Rost. Herb. P. N.S. H. as Reticularia 
atra Fr. Maine (Fuller). 
OrD. HETERODERMACEAE. 
44. Lindbladia tubulina Fries. Cumberland (Blake) as Licea 
spermoides B. & C. 
45. Cribraria intricata Schrad. Rangely (Rex). 
40. C. tenella Schrad. . Bar Harbor (Rex). 
47. C. purpurea Schrad. On decaying logs, Greenfield, Oct. 
(Harvey). 
48. Dictydium umbilicatum Schrad. Rangely (Rex) as dD. 
cernuum Pers. 
Orb. Lickacega. 
49. Licea fragiformis Fr. Cooke’s Hand Book, 1: 408. Cum- 
berland (Blake). This form is noted in Blake’s list. It is not re-_ 
corded by Saccardo or Lister, and we have not been able to trace 
the synonymy. It may be Zubulina cylindrica (Bull.) DC., a8 
Saccardo records L. fragiformis Nees asa synonym of this species: 
50. L. minima Fr. Sacc.7: 405. Cumberland (Blake). The 
