PLANTS OF IOWA 105 



1328. C. comucopioides, (L.) Fr. 



Earth. Along the Mississippi river in Clayton county. 

 Another species apparently following the river down 

 from more northern regions where it is common. 



1329. C. macilenta, (Ehrh.) Iloffm. 

 Old logs. 



1330. C. pulchella, Schwein. 

 Old stumps. 



1331. C. cristatella, Tuck. 

 Old logs. 



LECIDEEI FAMILY. 

 BlATORA, Fr. 



1332. B. russellii, Tuck. 

 Calcareous rocks. 



1333. B. russellii, Tuck., var. dealbata, Tuck. 

 On calcareous rocks, rare. 



1334. B. decipiens, (Ehrh.) Fr. 

 Calcareous earth. 



1335. B. decipiens, (Ehrh.) Fr., var. dealbata, Tuck. 

 On calcareous rocks, rare. 



1336. B. granulosa, (Ehrh.) Poetsch. 

 Sandy soil. 



1337. B. peliaspis, Tuck. 

 Trees. 



1338. B. myriocarpoides, (Nyl. Tuck. 

 Old boards. 



1339. B. varians, Ach. 

 Trees. 



1340. B. hypnophila, Turn. 

 Mosses. 



1341. B. trachon, Flot. 

 Granitic rocks. 



1342. B. rubella, (Ehrh.) Rabenh. 

 Trees. 



1343. B. fusco-rubella, Hoffm. 

 Trees. 



