PLANTS OF IOWA 107 



1361. B. parasema, (Ach.) Th., Fr., var. triphragmia } Nyl. 

 Trees. 



1362. B. pullata, Tuck. 



Granitic rocks. A California lichen. 



1363. B. myriocarpa, (DC.) Mudd. 



1364. B. myriocarpa, (DC.) Mudd., var. polyspora, Willey. 

 On trees. 



OPEGRAPHEI FAMILY. 



OPEGRAPHA, (Humb.) Ach., Nyl. 



1365. 0. demissa, Tuck. 

 Trees. 



1366. 0. varia, (Pers.) Fr. 

 Trees. 



1367. 0. varia, Pers.) Fr., var. pullicaris, (Hoffm.) Fr. 

 Trees. 



1368. 0. pulvinata, Eehm. 



On Endocarpon miniatum. 



1369. 0. quaternella, Nyl. 



On thallus of a Parmela, rare. 

 GRAPHIS, (Ach.) Nyl. 



1370. G. scripta, (L.) Ach. 

 Trees. 



1371. G. scripta, (L.) Ach., var. serpentina, Ach. 

 Trees. 



1372. G. eulectra, Tuck. 

 Trees. 



ARTHONIEI FAMILY. 



ARTHONIA, (Ach.) Nyl. 



1373. A. lecideella, Nyl. 

 Trees. 



1374. A. dispersa, (Schrad.) Nyl. 

 Trees. 



1375. A. radiata, (Pers.) Th., Fr. 

 Trees. 



