48 NINETEENTH ANNUAL REPORT ON THE STATE CABINET. 



D. LURiDUS, Hormch, 



Niagara Falls, on a dry rock near the shore, one-eighth to one-quarter 



of a mile below the American staircase, Gr. W. Clinton. October. 

 This fine species was found by Drummond at Niagara Falls in 1818, 



but had not been detected since that time until 1865, when it was 



rediscovered as shown above. 

 D. CYLiNDRicus, Brck, ' . 



Catskill mountains. James in Pr. Am. Phil. Soc. 



CERATODON, Brid. 



C. PURPUREUS, L. 



G-round, rocks, rotten wood, old roofs. Common everywhere. May. 



DISTICHIUM, Brch, ^ Sckp. 



D. CAPiLLACEUM, Bryol. Europ. 



Crevices of rocks, high summits of the Adirondack and the Oatskill 

 mountains, Lesqx. 



TETRAPHIS, Hedw. 

 T. PELLUCIDA, Hedw. 



Decayed wood in woods. Frequent. June. 



ENCALYPTA, Sckreb. 



E. ciLiATA, Hedw. 



Rocks and crevices of rocks on mountains. Sand Lake. Adirondack 

 mountains, July. 



E. STREPTOCARPA, Hedw. 



Rocks. The Ledge; Akron, Gr. W. Clinton. Niagara Falls. 

 James in Pr. Am. Phil. Soc. Helderberg mountains. S.terile. 



ZYaODON, Hook. ^ Tayl. 



7i. mougeoti, Bryol. Europ. 



Catskill mountains. James in Pr. Am. Phil. Soc. 

 Z. lapponicus, Hedio. 



Crevices of rocks. Catskill mountains, below Cauterskill Falls. 



Adirondack mountains, Lesqx. 



ORTHOTRICHUM, Hedw. 



0. ROGERi, Brid. 



Bark of Populus tremuloides, near Lake Placid, Adirondack moun- 

 tains ; very rare; August, Lesqx. 



0. cupulatum, Hoffm. 



Rocks and trees. Beech trees, Rosis Point, G-. W. Clinton. Rare. 



■ May, June. 



0. anomalum, Hedw. 



Rocks, sometimes on trees. Limestone rocks, Niagara Falls, Lesqx. 



On trees in the same locality, G. W. Clinton. Not common. June. 



0. strangulatum, Beauv. 



Trees, rocks and stone walls. Frequent. April, May. 



