276 GEOLOGICAL AND NATURAL HISTORY SURVEr OP CANADA. 



Stem-leaves ovate-lanceolate, subulate-acuminate, faintly denticulate 

 below, the acumen serrate and twisted above ; cells often yellowish, all 

 long and narrow, except the basal, the alar and inner basal dark-yel- 

 low or orange, quadrate or rectangular ; costa stout reaching to f ; 

 branch-leaves shorter-acuminate, sharply serrate above the middle, 

 borders often faintly reflexed to the acumen. Perigonial leaves sub- 

 ovate, reddish at the base ; costa fine and short ; antheridia 3 — 4. 

 Perichetial leaves nerveless, from a short, ovate base suddenly tapering^ 

 to the much longer, subulate, acumen ; vagina long-ciliate above. 

 Capsule oval, horizontally patent or cernuous, teeth pale-yellow ; 

 segments rimose in the middle, prolonged into long and smooth cilia j 

 pedicel smooth, about 1 cm. long, arcuate above. Monoecious. 



This fine species differs from I. myosuroides, in the doubly larger 

 leaves, the stout costa, the robust ligneous stem, the rigid flagella, &c, 



122. EURHYNCHIUM, Schimp. 



(•771.) E. Vaucheri, (Schimp.) 



On rocks, South-West Point, Anticosti ; on rocks Lake Winni- 

 pegoosis, Man. {Macoun.') 



(772.) E. piliferum, (Schreb.) 



White Bay, Newfoundland. (Eev. A. Waghorne.) 

 (778.) E. Stokesii, (Turn.) 



Little Bay Island, JS'ewfoundland. (^Rev. A. Waghorne.) 



123. RAPHIDOSTECIUM, Lesq. & James. 



(786.) R. Jamesii, (Sulliv.) 



Grande VSche and Western Cove, White Bay, Newfoundland. {Rev. 

 A. Waghorne.) On stones near Buckingham, Que. {Macoun.) 



124. RHYNCOSTECIUM, Schimp. 



(790.) R. deplanatum, Schimp. 



On eavth at Truro, N.S. {Macoun.) 



(791.) R. serrulatum, (Hedw.) 



Seal Cove, Harbor Deep and Western Cove, Newfoundland. (^Rev. 

 A. Waghorne.) 



