46 
MUSCI APPALACHIAXI. 
267. Leskea denticulata (pi. foem.). 
SuUiv. Icon. Muse. p. 125, t. 78. 
Hjlb. On dry rocks and roots of trees, not rare, but always sterile in 
New York and New Jersey. 
268. Leskea Austini. 
Sulliv. Icon. Muse. Suppl. 1, ined. 
Monoica, parvnla, intricato-ctespitosa, triste-viridis ; 
caule irregnlariter raraoso ; foliis humidis patulis vel 
subsquari'osis ovatis longe tenui-aciiminatis acumine 
subiiitegris ultra medium costatis papillosis, cellulis 
crassiusculis mar<iini5 iiiferioris quadratis seriatis, 
mediis et apicalibiis ellipticis elongatis ; capsula 
erecta oblongo-ovali microstoma exannulata ; pedi- 
cello 5-10 lineari ; peristomio duplici, externo e 
dentibus 16 triangulari-Uinceolatis demisse insertis 
16 - 20-articulatis utraque facie planis papillulosis 
opacis, interne e membrana brunneo-lutea annuli- 
formi capsulae orificinm paulo superante ; operculo 
brevi-conico ; calyptra. . . . 
Species ambigua hie ad Leskeam illic ad Hnbrndnnt; prp 
accedens. 
Hab. On stone fences, Sussex County, New Jersey, Austin ; on 
trunks of trees, Fulton County, Illinois, Wolf. 
269. Leskea polycarpa. 
Ehrh. — Bryol. Europ. V. t. 4^. h ^0 
Hab. On old roofs and shade-trees in towns, and on shaded old stone 
fences along highways ; also on the roots of trees within the reach 
of floods. ^ 
270. Leskea obscura. 
Redw. — Sulliv. Icon. Muse. p. 123, t. 77. 
IIajs. On tho roots of trees and on stones within the reach of floods, 
in low grounds, common. 
