No. II.] THE BRYOPHYTES OF CONNECTICUT. 151 



Newfoundland to Manitoba, south to North Carolina and 

 Missouri ; Mexico. 



Ref. Mrs. E. G. Britton, lo, 6i (var. squarrosa). Eaton, 

 15. 67. 



Sematophyllum tenuirostre (Br. & Sch.) E. G. Britton. 

 Hypnum cylindrocarpitm C. Miill. Rhynchostegium cylindro- 

 carpiim Aust. 



On rocks and decaying logs in the woods. Autumn. New 

 Haven: Hamden (1878), /. A. Allen. 



Labrador and Newfoundland, south to Georgia. 



Ref. Eaton, 15, 67. 



Sematophyllum carolinianum (C. Miill.) E. G. Britton. 

 Hypnum demissum Wils. var. carolinianum Sull. & Lesq. 



Wet, non-calcareous rocks in mountain or hill ravines. 

 Autumn. Litchfield : Salisbury, Nichols. Hartford : Hart- 

 ford, Mrs. Lotve. Fairfield: Darien, Mrs. Lowe. New 

 Haven: Orange (1875), Young; Woodbridge, /. A. Allen. 

 Middlesex : Killingworth, Nichols. 



Newfoundland to the Gulf States ; Asia. 



Exsic. Grout, N. Amer. Musci Pleuro. No. 307 (as 

 Raphidostegium carolinianum) . 



Isopterygium Mitt. 



1. Leaves distinctly serrulate, at least in the apical half 2 



Leaves entire, or nearly so 3 



2. Plants monoicous; leaves serrulate to the middle 



I. turfaceum 

 Plants dioicous; leaves serrulate to the base.. I. deplanatum 



3. Le«.ves perfectly entire, without axillary propagula; 



branchlets tending to become flagelliform at the tips 



I. Muellerianum 

 Leaves slightly serrulate at apex, and frequently producing 

 numerous leafy propagula in the axils; branchlets never 

 flagelliform I. elegans 



Isopterygium deplanatum (Schimp.) Jaeg. & Sauerb. 

 Hypnum deplanatum Schimp. Rhynchostegium deplanatum 

 Sull. 



On earth, flat stones, or rotten wood in moist woods. 



