CATALOGUE OF PLANTS. 367. 
HYDROTHYRIA, Russell. 
. venosa, Russell. 
Bergen :—Austin, Warren: Adhering to stones under water, 
in streams ; frequent—Eckfeldt. 
.LECANOREZ. 
PLACODIUM, Dc. 
. cerinum (Hedw.), Neg. & Hepp. 
Bergen :—Austin. Warren: Calcareous rocks. Camden: 
Trees and shrubs—Kckfeldt. 
. cinnabarinum (Ach.), Anz. 
Bergen: — Austin. Calcareous rocks, Warren :— Kckfeldt. 
. aurantiacum (Lightf.), Neg. & Hepp. 
On rocks and cedars; common. 
. camptidium, Tuck. 
On maple trunks. Camden :—Eckfeldt. 
. ferrugineum (Huds.), Hepp. 
Bergen :—Austin. Camden: On branches and trunks— 
Eckfeldt. 
Yar. Pollinii, Tuck. 
oP, 
/P. 
On cedar. Camden :—Eckfeldt. 
microphyllinum, Tuck. 
On old cedar rails. Camden :—Eckfeldt. 
vittellinum (Ehrh.), Neg. & Hepp. 
Bergen :—Austin. Camden: Old cedar rails—Eckfeldt. 
. citrinum (Hoffm.), Leight. 
On old buildings and ancient mortar, and peculiar to calca- 
reous rocks—Eckfeldt. 
. rupestre (Scop.), Br. & Rostr. 
Rocks. Warren :—Eckfeldt. 
