334 GEOLOGICAL SURVEY OF NEW JERSEY. 
Sus-Ciass 2.-PLEUROCARPI. 
HYPNACE. 
THUIDIUM, Br. & Sch. 
‘T. minutulum (Hedw.), Br. & Sch. 
On decayed wood in swamps; common. 
T. pygmeeum (Br. & Sch.), Sulliv. & Lesq. 
On stones along rivulets, northern part of the State. 
‘'T. scitum (Beauv.), Aust. 
Bergen: On the base of a tree near Closter. 
Var. zstivale, Aust. 
On the roots of trees, New Jersey—Austin. Morris: Mount 
Olive—Mrs. Britton. 
T. gracile, Br. & Sch., var. Lancastriense, Sull. & Lesqx. 
On dry, sterile ground in open woods; common. 
T. recognitum (Hedw.), Lindb. (TZ. delicatulum, Br. & Sch.) 
On shaded rocks and banks; common. 
‘T. delicatulum (L.), Mitt. (Hypnum tamariscimum, Sulliv. & Lesq.) 
On the roots of trees, old logs, etc.; very common. 
T. abietinum (L.), Br. & Sch. 
Sussex: On dry limestone ridges ; very abundant. 
‘'T. paludosum (Sulliv.), Rau & Hervey. (Elodiwm paludosum, Aust.) 
Swamps and low grounds; common. 
LESKBA, Hedw. 
L. denticulata, Sulliv. 
On dry rocks and roots of trees; sterile. 
L. polycarpa, Ehrh. 
Bergen: Closter—Austin. Monmouth: New Egypt—Britton. 
