32 LEUCOBRYACEAE 



D. fuscescens Turn. This species which is abundant in 

 mountainous regions has not yet been reported nearer than the 

 Catskills. 



D. longifolium Ehrh. "On shaded rocks and trunks of trees, 

 Northern N. J.," Muse. App. 84. Summer. 



D. montanum Hedw. Northport, Glen Cove and Oyster 

 Bay, L. Id.; Haverstraw, Bronx Park and Eastchester; Pali- 

 sades, Hoboken and Weehauken, N. J. On stones and decay- 

 ing wood. Summer. 



D. pallidum B. & S. On soil in dry sandy places. Cedar 

 woods, Orient, Latham; Tottenville, S. Id., E. G. B.; Lake- 

 wood and other Pine Barrens localities, Best, Small and Austin. 

 Spring. 



D. scoparium (L.) Hedw. Very common on the ground, 

 stones, etc. in woods, and exceedingly variable. Late summer 

 or autumn. Grades into D. Bonjeani. 



D. spurium Hedw. Huntington, L. Id., J. E. Rogers, Bx!; 

 "Rocks on Mts., New Jersey," Muse. App. 95; Pine barrens, 

 Lakehurst and Toms River, N. J.!! Spring. 



D. undulatum P2hrh. Wading River, L. Id., E. S. Miller, Bx!; 

 "On rocks and the ground near Baumpies Hook, N. J.," Muse. 

 App. 97, and "swamps about Closter," Muse. App. 98 (as 

 D. robustum); Montague, N. J., Nash., Bx! 



Family 8. LEUCOBRYACEAE 



Sporophyte as in Dicranaceae. Plants greenish white. Leaves 

 broadly lanceolate to linear, consisting chiefly of a very broad 

 costa which consists of three or more layers of two different 

 kinds of cells. 



LEUCOBRYUM Hampe. 



Plants up to 5 cm. or even 10 cm. high; stem leaves 4-1 1 mm. long, 



often secund; capsule usually distinctly strumose glaucum 



Plants up to 3 cm. high; leaves 2-4.5 mm. long, never secund, stiff and 



rigid; capsules scarcely strumose as a rule albidum 



