100 STATE HORTICULTURAL SOCIETY 



Leptogium, (Fr.) Nyl. 



1247. L. lacerum, (Sw.) Fr. 



Calcareous rocks among mosses, and also on dead wood. 



1248. L. pulchellum, (Ach.) Nyl. 



Dead trees in moist wooded ravines. 



1249. L. tremelloides, (L.) Fr. 



Calcareous rocks. Seems to be rare in this state. 



1250. L. chloromelum, (Sw.) Nyl. 

 Calcareous rocks. 



1251. L. myochroum, (Ehrh., Schaer.) Tuck. 

 Trees. 



LECANOREI FAMILY. 



Placodium, (DC.) Naeg. and Hepp. 



1252. P. elegans, (Link.) DC. 

 Calcareous rocks. 



1253. P. cinnabarinum, (Ac.) Anz. 

 Calcareous rocks. 



1254. P. microphyllinum, Tuck. 

 Dead wood. 



1255. P. citrinum, (Hoffm.) Leight. 

 Calcareous rocks. 



1256. P. aurantiacum, (Lightf.) Naeg. and Hepp. 

 Trees and rocks. 



1257. P. cerinum, (Hedw.) Naeg and Hepp., var. pyracea, 



Nyl. 

 Old boards. 



1258. P. cerinum, (Hedw.) Naeg and Hepp., var. sideritis, 



Tuck. 

 Granitic rocks. 



1259. P. cerinum, (Ehrh.) Naeg. and Hepp., var. ulmorum. 

 On elms, rare. 



1260. P. ferrugineum, (Huds.) Hepp. 

 On trees, rare. 



1261. P. ferrugineum, (Huds.) Hepp., var. pollinii, Tuck. 

 Trees. 



